Term
where is the root of the nose |
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Definition
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Term
where is the apex of the nose |
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Definition
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Term
where is the dorsum located |
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Definition
from root to apex of the nose in the midline |
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Term
what are the two inferior aperatures of the nose called |
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Definition
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Term
what limits the nostrils on each side |
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Definition
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Term
what is the supporting framework of the nose composed of |
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Definition
bone and hayline cartilage |
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Term
where is bone located in the nose |
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Definition
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Term
what are the bones of the nose |
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Definition
nasal bones and frontal processes of the maxilla |
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Term
where is cartilage located in the nost |
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Definition
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Term
what are the cartilages of the nose |
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Definition
septum and two major alar |
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Term
how are the cartilages of the bone connected to the body |
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Definition
they are connected to eachother and to bones by fibrous tissue |
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Term
what does the septal cartilage form |
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Definition
anterior part of nasal septum |
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Term
what are the parts of the septum |
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Definition
two lateral processes, triangular in shape |
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Term
where is the septal cartilage located in relation to the nasal bone |
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Definition
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Term
what shape are the major alar cartilages |
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Definition
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Term
what do the major alar cartilages form |
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Definition
lateral and medial borders of nostrils (lateral and medial cura) |
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Term
what are the walls of the nasal cavity made of |
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Definition
bone, cartilage, mucous layer |
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Term
what are the parts of the nasal cavity |
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Definition
floor, roof, two lateral walls, midline partition |
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Term
what is the midline partition of the nasal cavity called, what does it form |
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Definition
nasal septum, right and left nasal cavity |
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Term
what does the nasal cavity communicate with posteriorly |
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Definition
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Term
what are the posterior nasal aperatures called |
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Definition
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Term
where is the vestibule of the nost located |
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Definition
immediatly above the nares |
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Term
what is the vestibule of the nose lined with |
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Definition
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Term
what are the functions of the nasal cavity |
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Definition
olfaction, conditioning of inspired air, reception of recretions from paranasal air sinuses and nasolarcimal duct |
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Term
how does the nasal cavity condition air |
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Definition
filters, humidifies, warms |
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Term
what is superior to the nasal cavity |
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Definition
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Term
what seperates the nasal cavity from the anterior cranial fossa |
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Definition
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Term
what is lateral to the upper nasal cavity |
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Definition
ethmoidal air cells and orbit |
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Term
what is lateral to the lower nasal cavity |
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Definition
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Term
what is inferior to the nasal cavity |
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Definition
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Term
what seperates the nasal cavity from the oral cavity |
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Definition
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Term
what is posterior to the nasal cavity |
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Definition
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Term
what forms the floor of the nasal cavity |
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Definition
hard palate, palatine process of maxilla, horizontal plates of palatine bones |
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Term
what forms the roof of the nasal cavity (anterior to posterior) |
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Definition
nasal bone, nasal spine of frontal bone, cribiform plate of ethmoid, inferior and anterior aspects of body of sphenoid |
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Term
what forms the nasal septum |
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Definition
perpendicular plate of ethmoid and vomer, a little from the sphenoid, maxilla, palatine |
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Term
what bone does the superior nasal concha come from |
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Definition
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Term
what bone does the middle concha come from |
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Definition
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Term
what bone does the inferior chocha come from |
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Definition
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Term
what is between the conchae |
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Definition
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Term
what are the nasal meatuses |
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Definition
superior middle and inferior |
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Term
what is the sphenoethmoidal recess |
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Definition
part of nasal cavity behind superior nasal concha |
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Term
what is in the superior meatus, where are they located |
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Definition
posterior ethmoidal air cells on lateral wall |
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Term
what is in the middle meatus |
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Definition
ethmoidal bulla, semilunar hiatus, ostium of maxillary sinus, infundibulum |
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Term
where is the ethmoid bulla located |
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Definition
elevation in lateral wall of middle meatus |
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Term
what creates the ethmoidal bulla |
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Definition
openings of middle ethmoidal air cells |
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Term
where is the semilunar hiatus located |
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Definition
anterior and inferior to the ethmoidal bulla |
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Term
where is the ostium of the maxillary sinus located |
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Definition
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Term
what does the infundibulum recieve |
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Definition
openings of anterior ethmoidal air cells, sometimes frontal sinus. sometimes there is a superior blind end and frontal sinus opens into anterior middle nasal meatus |
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Term
what is in the inferior nasal meatus, where |
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Definition
opening of nasolarcimal duct, anterior part of lateral wall |
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Term
what is in the sphenoethmoidal recess |
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Definition
opening to sphenoidal sinus |
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Term
where is the nasal mucosa located |
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Definition
entire nasal cavity except vestibule |
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Term
how is the nasal mucosa bound |
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Definition
periosteum and perichondrium of suppoering structures |
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Term
what is the nasal mucosa continouos with |
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Definition
mucosal lining of nasopharynx, paranasal air sinuses, nasolacrimal fuct |
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Term
what are the types of nasal mucosa |
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Definition
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Term
where is the olfactory mucosa located |
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Definition
highest part of the roof and adjacent part of septum and lateral wall |
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Term
what does olfactory mucosa contain |
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Definition
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Term
what kind of cells does respiratory mucosa have |
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Definition
ciliated pseudostratified columnar epithelium |
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Term
where does the sensory supply for the nose come from |
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Definition
branches of the opthalmic and maxillary nerves |
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Term
what sensory nerves supply the nose |
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Definition
anterior ethmoidal, nasal branch of infraorbital, nasal branch of anterior superior aveolar, posterolateral nasal branches, nasopalatine |
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Term
what is the anterior ethmoidal nerve a branch of |
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Definition
nasociliary nerve from opthalmic |
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Term
describe the path of the anterior ethmoidal nerve to the nose |
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Definition
passes from orbit to anterior ethmoidal foramen, to anterior crainial fossa, to cribiform plate, crista galli slit to nasal cavity, divides into internal and external |
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Term
what does the internal anterior ethmoidal nerve innervate |
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Definition
mucosa of anterior part of septum and lateral wall |
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Term
what does the external anterior ethmoidal nerve innervate |
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Definition
skin of lower part of nose |
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Term
what does the nasal branch the infraorbital nerve supply |
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Definition
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Term
what does the nasal branch of the anterior superior alveolar nerve supply |
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Definition
mucosa of anterior part of inferior meatus |
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Term
what do the posterolateral nasal branches supply |
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Definition
mucosa of posterior lateral wall |
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Term
where do the petrolateral nasal branches come from |
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Definition
petrygopalatine ganglion or greater palatine nerve |
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Term
what does the nasopalatine nerve supply |
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Definition
mucosa of the posterior part of the nasal septum |
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Term
what are the bipolar neruons of the mucosa called |
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Definition
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Term
where are olfactory receptor cells located |
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Definition
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Term
what forms the dendrite of the olfactory receptor cells |
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Definition
peripherial processes, nonmotile cilia |
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Term
what forms the axons of olfactory receptor cells, where are they located, where do they end |
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Definition
central processes, pas through cribiform plate end in olfactory bulb |
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Term
what are the major arteries that supply the nose |
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Definition
sphenopalatine, atherior ethmoidal |
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Term
where does the sphenopalatine artery come from |
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Definition
terminal branch of maxillary a |
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Term
what does the sphenopalatine artery supply |
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Definition
posterior parts of lateral wall and septum |
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Term
what does the anterior ethmoidal artery supply |
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Definition
anterior part of lateral wall of septum |
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Term
where does the anterior ethmoidal artery come from |
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Definition
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Term
what are the minor sources of blood for the nasal cavity |
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Definition
posterior ethmoidal, superior labial, greater palatine |
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Term
where does the superior labial artery come from |
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Definition
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Term
where is the kiesselbach's area |
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Definition
anterior septal cartilage |
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Term
what occurs at kiesselbach's area |
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Definition
septal branches of sphenopalatine, greater palatine, anterior ethmoidal, and superior labial arteries anastomose with eachother |
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Term
what is epistaxis, where does is commonly occur |
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Definition
nosebleed. kiesselbach's triangle |
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Term
describe the veins of the nose |
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Definition
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Term
where do the veins of the nose drain |
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Definition
pterygoid venous plexus via sphenopalatine vein, facial vein, supterior opthelmic vein via anterior and posterior ethmoidal v |
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Term
where are the paranasal sinuses located |
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Definition
frontal, maxilla, ethmoid, sphenoid bones |
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Term
what are paranasal sinuses lined with |
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Definition
mucous membrane continous with nasal cavity |
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Term
how do paranasal sinuses develop |
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Definition
a invaginations of the nasal mucosa. mucosa invades bones surrounding nasal cavity with sencondary bone resorption around invading mucosal sacs, at birth they are rudimentary but they groud during childhood and a lot in adolescence and reach max size as an adult |
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Term
what are the fuctions of the paranasal sinuses |
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Definition
resonating chambers for voice, lighten skull bones |
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Term
what is the largest paranasal air sinus |
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Definition
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|
Term
where is the apex of the maxillary sinus located |
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Definition
laterallu, toward zygomatic bone |
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Term
where is the base of the maxillary sinus located |
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Definition
medially, toward nasal cavity |
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Term
what is superior to the maxillary sinus |
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Definition
orbit and its contents, infraorbital canal runs along superior wall making a bony ridge |
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Term
what is medial to the maxillary sinus |
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Definition
nasal cavity, maxillary ostium located high in medial wall |
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Term
why does the maxillary sinus have poor drainage when erect |
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Definition
because the opening is high on the medial wall |
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Term
what is inferior to the maxillary sinus |
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Definition
aveolar processes, mostly molar roots rather than incisor |
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Term
what does the maxillary sinus communicate with |
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Definition
middle nasal meatus, opening in the lower part of the semilunr hiatus |
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Term
what nerve supplies the maxillary sinus |
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Definition
superior alveolar nerves from V2 |
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Term
what supplies blood to the maxillary air sinus |
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Definition
superior alveolar arteries branches of the maxillary and infraorbital |
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Term
what is the frontal sinus posterior to |
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Definition
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|
Term
what shape are the frontal sinuses usually |
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Definition
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|
Term
where does the frontal sinus extend to |
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Definition
superior into frontal squama and posterior into orbital plates (roof of orbit) |
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|
Term
where does the frontal sinus open |
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Definition
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|
Term
what nerve supplies the frontal sinus |
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Definition
supraorbital, branch of the frontal from V1 |
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Term
what supplies blood to the frontal sinus |
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Definition
supraorbital branch of the the opthamic |
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|
Term
where are the ethmoidal air cells located |
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Definition
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|
Term
how may ethmoidal air cells do we have |
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Definition
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|
Term
where do the ethmoidal air cells open |
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Definition
anterior into infundibulum of middlle nasal meatus, anterior into ethmoidal bulla of middle nasal meatus, posterior into superior nasal meatus |
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|
Term
what nerve supplies the ethmoidal air cells |
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Definition
anterior and posterior ethmoidal nerves branches of nasociliary from V1 |
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Term
what supplies blood to the ethmoidal air cells |
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Definition
anterior and posterior ethmoidal arteries (branches of the opthalmic) |
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Term
what is the sphenoidal sinus posterior to |
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Definition
upper part of nasal cavity |
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Term
what is superior to the sphenoidal sinus |
|
Definition
pituitary gland and optic chiasm |
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Term
what is lateral to the sphenoid sinus |
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Definition
cavernous sinus and internal carotid a |
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|
Term
are the sphenoid sinuses symetrical? |
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Definition
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|
Term
where does the sphenoid sinus open |
|
Definition
into sphenoethmoidal recess |
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|
Term
what nerves supply the sphenoid sinus |
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Definition
posterior ethmoidal nerve , pharyngeal nerve |
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|
Term
where does the pharyngeal nerve come from |
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Definition
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|
Term
what type of fibers does the pharyngeal nerve have, where from |
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Definition
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|
Term
what supplies blood to the sphenoidal sinuses |
|
Definition
posterior ethmoidal a, pharyngeal branch of maxillary a |
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