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Axial Skeleton
The Skeletal System
50
Other
Undergraduate 1
04/26/2011

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Term
The adult human skeleton consists of ____ named bones.
Definition
206
Term
Infants and children have ____ bones because some fuse later in life. 
Definition
more
Term
The two division of the adult skeleton:
Definition
axial and appendicular
Term
The appendicular skeleton consists of:
Definition
upper and lower limbs, and the girdles. (126 bones)
Term
The axial skeleton consist of ____ bones
Definition
80
Term
Long bone
Definition
have greater length than width; mainly consist ofcompact bone tissue but also contain spongy bone; femur, tibia, fibula, phalanges, humerus, ulna, radius
Term
Short bone
Definition
somewhat cubed-shaped; nearly equal in length and width. consist of spongy bone; carpal and tarsal bones
Term
Flat bones
Definition
generally thin and composed of two nearly parallel of compact bone enclosing a layer of spongy bone; cranial bones, sternum, ribs, scapulaes.
Term
Irregular bones
Definition
have complex shapes; vary in the amount of spongy and compact bone; vertebraes, certian facial bones, calcaneus
Term
Sesamoid bones
Definition

Develop in certian tendons where there is considerable friction, tension, or physical stress; not always completely ossified, measure a few millimeters in diameter (except knee caps)

 

Term
The skull contains ___ bones
Definition
22
Term
The eight cranil bones are:
Definition
Frontal, Parietal (2), Temporal (2), Occipital, Sphenoid and Ethmoid
Term
The fourteen facial bones are:
Definition
Nasal (2), Maxilla (2), Mandible, Zygomatic (2), Lacrimal (2), Palatine (2), Inferior nasal  conchae (2) and Vomer (2)
Term
Fissure
Definition
Narrow slit between adjacent parts of bones through which blood vessels or nerves pass; depression/opening
Term
Foramen
Definition
Opening through which blood vessels. nerves, or ligaments pass; depression/opening
Term
Fossa
Definition
Shallow depression; depression/opening
Term
Sulcus
Definition
Furrow along a bone surface that accommodates a blood vessel, nerve, or tendon; depression/opening
Term
Canal
Definition
A tubular structure though a bone; depression/opening
Term
Meatus
Definition
Tubelike opening into a canal; depression/opening
Term

Processes that form joints:

Condyle

Definition
Large, round protuberance at the end of a bone
Term

 

Processes that form joints: 

Facet

 

Definition
Smooth, flat articular surface
Term

 

Processes that form joints:

Head

 

Definition
Rounded articular projection supported on the neck (constricted portion) of a bone.
Term

Processes that form attachment point for connective tissue:

Crest

Definition
Prominent ridge or elongated projection
Term

 

Processes that form attachment point for connective tissue:

Epicondyle

 

 

Definition
Projection above a condyle
Term

Processes that form attachment point for connective tissue:

Line

Definition
Long, narrow ridge or border (less prominent than a crest)
Term

Processes that form attachment point for connective tissue:

Spinous process

Definition
Sharp, slender projection
Term

Processes that form attachment point for connective tissue:

Trochanter

Definition
Very large projection
Term

Processes that form attachment point for connective tissue:

Tubercle

Definition
Small, rounded projection
Term

Processes that form attachment point for connective tissue:

Tuberosity

Definition
Large, rounded, usually roughened projection
Term
What is the only movable bone in the skull
Definition
mandible
Term
Tendons
Definition
Connective tissue that connects muscle to bones
Term
Ligaments
Definition
Connective tissue that connects bone to bone
Term
How many vertebrae in the adult body?
Definition
26
Term
How many vertebrae in an infant?
Definition
33
Term
Herniated Disc
Definition

Nucleus pulposus bulges; Seen mostly in lumbar region; Compression of spinal nerves causes pain, tingling, and shooting pain down leg into foot 

 

Term
Intervertebral foramen
Definition
opening thru which spinal nerves exit
Term
Vertebral foramen
Definition
Contains spinal cord, fat and vessels
Term
C1 is also known as:
Definition
Atlas
Term
C2 is also known as:
Definition
Axis
Term
How many cervical vertebrae are there?
Definition
7
Term
How many thoracic vertebrae are there?
Definition
12
Term
How many lumbar vertebrae are there?
Definition
5
Term
Sacrum is made up of:
Definition
5 fused bones (fused in late teens)
Term
Coccyx is made up of:
Definition
4 fused bones (fused in 20s)
Term
Epidural block is known as:
Definition

 

Caudal Anesthesia

 Numbing medication injection through the sacral hiatus

 

Term
What are the 3 parts of the sternum?
Definition
manubrium, body, xiphiod process
Term
Ribs:
Definition
12 pairs of ribs
1-7 = true ribs
8-10 = false ribs
11-12 = false/floating ribs
Term
Most common chest injury:
Definition
Rib fractures
Term
Dislocated Rib:
Definition
displacement of costal cartilage from sternum
Term
Seperated ribs
Definition
displacement of rib costal cartilage
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