how many bones make up the human skeleton
206
how many bones make up the fetal skeleton
300
which bone is most commonly used to determine height of the deceased
femur
more than half _____
___ of the bones are found in the hands and feet
sagittal structure on a skull can be used to determine a persons
age
compared to the male, the mandible of a female is
round
compared to the male, the female skeleton will have a pelvis that is
wider and a pubic angle greater than 90 degrees
_____ can be determines by measuring specific long bones and calculating from known equations
height
when identifying victims of disasters, approx 93% of identifications are made on the basis of what?
dna analysis and dental records
a physical anthropologist
studies skeletal remains
field of science that involves retrieving and identifying skeletal remains
forensic anthropology
what 4 things do we want to know about a skeleton
-sex
-height
-age
-biological ancestor
teeth are
most useful for developing a profile of a person
to determine sex u examine
the skull, pelvis, humerus and femur
to determine age and height u examine
teeth, bone growth, cranial structure and length of femur bones
to determine race u examine
the skull
ct scan
visualizes internal
x-ray
visualizes bone structure
mass spectrometer
trace elements, health
scanning electron microscope
see very small details
dna analysis
samples of bones
bone is made up of
calcium
things that can be mistaken for bone:
wood, metals, sheetrock, plaster
how to tell if something is a bone
shape, structure, texture, chemical composition
the human body is very
unique!! :)
when u find out if its bone, now u need to determine if it is
human
the most unique bones in humans are the
skull, vertebral column, hands, feet and pelvis
human teeth have
generalized incisors that are not large or small
humans have ____ thumbs
opposable
carpal and tarsal bones
are distinct and unfused
humans have 5 distinct metacarpal and metatarsal bones on each
hand AND foot
humans have _____ lumbar vertebrate
5
humans have very large
hip bones (coxal bones)
humans have a distinctive
triangular shaped scapula
how much of a % are males larger than females?
6%-10%
the pelvis is broader in a ____ due to the birth canal
female
triangular pubic arch means the gender is
male
rounded pubic arch means the gender is
female
the brow ridge is more prominent in
males
the jaw bone is more square in
males
the mastoid process is the
bone behind the ear
the mastoid process is more prominent in
males
race can only be determined by
the cranium
to determine age in a adult humans, scientists study
wear and decay on teeth
symphyseal face of pubis starts out rough and it becomes
smooth with age
forensic odontology aka
forensic dentistry
no 2 individuals have identical
dentitions
identification can sometimes be made from 1 ____
tooth
teeth are the most ______ part of the human body
durable
teeth may remain after decomposition, for example
a fire
during the postmortem exam and the antemortem records,
a statement is to be made about each tooth
things that independent of body structure
hair color, eye color and lips
the functions of the skeletal system are to
protect, support and to produce blood cells
compact bones is made up of
bone cells, calcium phosphate and matrix
hardest structure in the body
enamel
adults have ____ teeth
32
babys have ____ teeth
20
fontanels
are soft spots on the skull
facial reconstruction is
when facial features are built on a skull to assist in identification
the function of the red bone marrow is to
make blood cells