Shared Flashcard Set

Details

Forensic Anthropology
Chapters 1 and 2
119
Anthropology
Undergraduate 4
09/08/2014

Additional Anthropology Flashcards

 


 

Cards

Term
Cranial
Definition
(superior)- towards the head
Term
Caudal
Definition
(inferior)- towards the feet
Term
Anterior
Definition
(ventral)- toward the front
Term
Posterior
Definition
(dorsal)- toward the back
Term
Medial
Definition
toward the median plane
Term
Lateral
Definition
away from the median plane
Term
Proximal
Definition
closer to the median plane
Term
Distal
Definition
farther from the median plane
Term
Osteocytes
Definition
mature bone cells (sits in Lacunae)
Term
Osteoclasts
Definition
bone destroying or reshaping cells
Term
Osteoblasts
Definition
bone forming cells
Term
Osteons
Definition
bone cells
Term
Endosteum
Definition
inner layer of bone
Term
Periosteum
Definition
outer layer of fresh bone
-fibrous layer
-osteogenic layer
Term
Haversian Canal
Definition
(central canal)- houses: blood, lymph, and nerve cells and it is surrounded by 4-8 plates of bone
Term
Concentric Lamellae
Definition
4-8 plates of bone
Term
Interstitial Lamellae
Definition
irregular layers of bones between osteons
Term
Periosteal and Endosteal Lamellae
Definition
layers of bone adjacent to the periosteum and endosteum
Term
Volkmann's Canal
Definition
runs horizontally across bone, contains blood vessels, nerves and lymph
Term
Lacunae connects to
Definition
Canaliculi (little canals) flow of nutrients
Term
Forensic Anthropology
Definition
sub-discipline of physical anthropology- techniques of osteology and skeletal identification to problems of legal and public concern
Term
Forensic anthropologists are
Definition
certified specialist, drowned/burned bodies skeletonized = not enough soft tissue
Term
When are forensic anthropologists called in?
Definition
-drowning/fire = skeleton
-skeletal trauma
-age at death
-mass disasters
-atrocities = war
-historical persons
Term
Father of forensic anthropology
Definition
Thomas Dwight
Term
First case
Definition
Parkman-Webster 1849
Prof killed doc $
Term
The scientific working group for forensic anthropology
Definition
(SWGANTH) founded by the FBI and the Dept. of Defense Central Identification lab
Term
Coroners
Definition
elected officials may or may not have medical training- certifying death
Term
Medical examiners
Definition
licensed physicians- certifying death
Term
Forensic pathologists
Definition
medical specialists who conduct autopsies to determine cause of death
Term
Archeologists
Definition
specialists who help discover and excavate bodies
Term
Chemists
Definition
PMI determination, volatile fatty acids=body decays (Arpod voss)
Term
Botanists
Definition
determine season location of the crime-> studying associated plant remains
Term
Forensic odontologists
Definition
dentists who help identify people through their dentition
Term
Forensic entomologists
Definition
specialists who study insects/insect remains/puparial cases around the corpse- determine time of death
Term
Frye Case (1923)
Definition
expert testimony based on accepted practices within the field of expertise
Term
FRE (Federal Rules of Evidence 1975)
Definition
Rule 702 states: evidence should be presented by an expert or have expert knowledge reliable principles
Term
Daubert
Definition
1. technique has been and can be tested
2. technique had been peer-reviewed and published
3. error rate is known
4. standards controlling its operation
5. technique widely accepted
Term
Maceration
Definition
water washing to reveal skeleton
Term
ABFA
Definition
American Board of Forensic Anthropology
Term
Field=
Lab=
Definition
collect at the scene: clothes, artifacts, bullets, bones, teeth, etc.

clean away soft tissue through maceration
Term
Nominal data
Definition
qualitative
ex: sex (no overlapping) male or female
Term
Ordinal data
Definition
qualitative
ex: primary colors, distance between categories is not always the same
Term
Interval levels
Definition
quantitative
time and temperature
unit of measurements are fixed
Term
Ratio level scale
Definition
quantitative
measurement has a zero point on the scale ratios between meas. have meaning
ex: child is 3 ft which is 1/2 of 6 ft
Term
Anthroposcopy
Definition
examination by visual inspection (skull- accuracy 80-90%) program- FORDISC
Term
Osteometry
Definition
measurement of bone (bone boards)
Term
Histology
Definition
microstructure of bone and teeth (age determination)
Term
The decision table
Definition
sex determination - which side has the most traits
Term
Range charts
Definition
age the skeleton - graph them, vertical axis of chronological age = look for areas of overlap
Term
Indexes
Definition
width over length/height X 100
portray shape value
Term
Dolichocrany
Definition
narrow head 74.99
Term
Mesocrany
Definition
average head 75.00 to 79.99
Term
Brachycrany
Definition
broad or round head 80.00 to 84.99
Term
Hyperbrachycrany
Definition
very broad head 85.00 and up
Term
Discriminant function analysis
Definition
mathematical tool based upon measurements - minimal overlap- predict sex and ancestry
Term
Regression equations
Definition
math formula- relationship between objects- obtain one value you can predict the other
variation or error
Term
How many bones in the adult body?
Definition
206 bones
Term
Bones contain
Definition
red marrow for blood formation
storage of calcium and phosphate
trap for minerals lead and fluoride
Term
Bone is
Definition
organic and inorganic
Term
1/3 organic
Definition
collagen
Term
2/3 inorganic
Definition
calcium, phosphate, magnesium, fluoride, citrate, carbonate, and sodium
Term
Fat is found in
Definition
bone cavities and represents a source of stored energy for the body
Term
Transverse
Definition
(horizontal) plane = divides the body at right angles to the long axis
Term
Median/Sagittal
Definition
plane = divides the body into right and left halves
Term
Coronal
Definition
plane = divides the body into front and back
Term
Skeleton weighs
Definition
20% of your entire body weight
Term
Axial skeleton
Definition
supporting bones of the body: skull, hyoid, vertebrae, sternum and ribs
Term
Appendicular skeleton
Definition
shoulder girdle, pelvic girdle, upper and lower limbs, hands and feet
Term
Spongy bone is filled with
Definition
red marrow
Term
Disuse of bones
Definition
bone loss or atrophy
Term
Hypertrophy
Definition
muscle markings of bone enlarge with strenuous exercise
Term
Spongy
Definition
(trabecular, woven, or cancellous)
internal bone reflects outside- heavy labor
Term
Bone classification
Definition
visual, developmental, and shape
Term
Visual (bone classification)
Definition
compact or spongy bone
Term
Developmental (bone classification)
Definition
membrane or cartilage
Term
Shape (bone classification)
Definition
Short bones (wrist and ankle) cubical
Long bones (arms and legs) longer than wide
Flat bones (skull, breast bone, ribs, scapula) thin and flat
Irregular bones (vertebrae, facial bones and hips)
Sesamoid bones (patella or knee cap) are shaped like a sesame seed. These bones are formed in tendons. One is also usually found at the head of the first metacarpal
Term
Intramembranous ossification
Definition
in the fetus, bone growth is in membranes with no solid precursor...this gives rise to membranous bones
Term
Cartilaginous bones
Definition
most bones develop a cartilage precursor
Term
Diaphysis
Definition
(shaft) in long bones, primary center of ossification
Term
Epiphysis(es)
Definition
secondary center (or centers) these allow for growth in length of long bones, in addition to other bones
Term
Factors affecting bone growth
Definition
genes
vitamins
hormones
smoking
diet
Term
Vitamins
Definition
Deficiencies: A=thick bones, C=scurvy, D=rickets
Excesses: A=pain in bones and even toxicity, D=can lead to hypercalcemia which can cause calcification of soft tissues
Term
Hormones
Definition
somatotrophic, sex, parathyroid (PTH) and calcitonin
Term
Somatotrophic
Definition
growth hormone from the pituitary
-too much early in life= gigantism
-too much later in life=acromegaly
-too little= pituitary dwarfism
Term
Sex hormone
Definition
reduction of sex hormone balance
castration of very young males
aging females
Term
Parathyroid hormone (PTH)
Definition
helps to monitor and control the calcium/phosphorus balance in the blood
-hyperparathyroidism = over production of PTH, calcium levels elevated
-hypoparathyroidism = deficiency of PTH, low calcium concentration= very excitable nerves and muscles
-calcitonin = decreases the concentration of calcium in body fluids
Term
Connective tissues
Definition
loose connective tissue
hemopoietic tissue
supporting tissue
Term
Loose connective tissue
Definition
soft and pliable- a bedding for cells and membranes
Term
Hemopoietic tissue
Definition
blood-forming tissue as found in bone marrow
Term
Supporting tissue
Definition
dense supporting tissues: tendons (attach muscle to bone), ligaments (attach bone to bone), wrappings (form connective tissue tubes)

special supporting tissues found in cartilage and bone
Term
Hyaline cartilage
Definition
glass-like cartilage, a temporary cartilage model from which bones develop, in articular cartilage at ends of bones, costal cartilages, larynx, and nose
Term
Elastic cartilage
Definition
yellow cartilage, more yellow elastic fibers for flexibility, ear cartilage and in the epiglottis
Term
Fibrocartilage
Definition
white cartilage, it is rough and strong, mixed with hyaline or elastic cartilage
Term
Hyaline cartilage provides
Definition
rigid yet flexible support (nose)
Term
Fibrous (in public symphysis) and elastic (in ear) cartilages are
Definition
flexible and tough
Term
Cartilage grows
Definition
rapidly for faster growth then bone would allow
Term
Cartilage forms
Definition
embryonic model for most bones
Term
Fibrous joint
Definition
no movement and tough connective tissue (sutures of skull)
Term
Cartilaginous joint
Definition
slight movement (between the manubrium and the body of the sternum)
Term
Synovial joint
Definition
freely moving joints with
-articular surfaces of bones
-held together by ligaments and other connective tissue which form a closed cavity
-cavity contains synovial tissue- lubricating fluid (joint oil) (knee joint, elbow joint, etc.)
Term
Bone is nourished by
Definition
capillaries, therefore it is never more than 0.1 to 0.2 mm. away from a blood supply...cartilage is fed through diffusion
Term
Bone grows
Definition
appositionally while cartilage grows appositionally and interstitially
Term
chemical differences bone has more
Definition
protein and minerals and 1/3 of the water of cartilage
Term
How many bones in adult human skeleton? How many are in the skull?
Definition
206 bones, 30 are in the skull
Term
Frankfort horizontal plane
Definition
a line from the top of the external auditory meatus (ear) to the lowest point on the inferior rim of the orbit. This is a line used to orient the skull to facilitate comparisons and measurements
Term
Skull
Definition
bones of head, with or without mandible/jaw
Term
Cranium
Definition
bones of head without jaw
Term
Calvarium
Definition
bones of head which house brain (excludes the face)
Term
Frontal bone
Definition
forms the forehead and upper portions of the eye sockets
articulations: the parietals, maxilla, zygomatics/malars and nasals
Term
Frontal bone landmarks
Definition
metopic suture trace starts to fuse at 6 months, functionally closes 12 months, obliterated by 2 years

glabella- the most prominent point in the median sgittal plane between the supraoribital ridges

superciliary arches (brow ridges)

Orbital plates/pars orbitalis forms roof of eye sockets
Term
Parietal bones
Definition
their position is posterior to frontal bone, they form the lateral top of skull
Term
Sagittal suture
Definition
dividing 2 parietals
Term
Coronal suture
Definition
between frontal and parietals
Term
Squamosal suture
Definition
between parietals and temporal bones
Term
Lambdoid suture
Definition
between parietals and occipital bones
Term
Parietal bone landmarks
Definition
interior surface is covered with grooves for an artery known as the middle meningeal artery

beveled inferior margin
anterior inferior projection is known as sphenoidal portion
superior and inferior temporal lines continue along this bone
a parietal foramen is often present along superior posterior border
Term
Occipital bone
Definition
large bone which forms the posterior and base of the skull
consists of four portions:
-squamous (or flat superior portion)
-two condylar portions
-the basilar portion (at the base)
Term
Sometimes in adults the squamous portion of the occipital is found in
Definition
two separate halves divided by the mendosal suture (normally fuses by 1 year of age)
Term
Occipital bone landmarks
Definition
external occipital protuberance (on superior nuchal line where is meets the external occipital crest)
inferior and superior nuchal lines-neck muscles
occipital condyles- kidney bean shaped articulations for atlas vertebra
external occipital crest- a median crest to which a ligament which attaches the neck vertebrae to the skull attaches
foramen magnum- latin "big hole" through which spinal cord connects with the brain
Supporting users have an ad free experience!