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Lab CH 8 Head and Neck
ch 8 text & some tables (no histology)
67
Anatomy
Undergraduate 4
10/06/2017

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Cards

Term
how many bones are in the skull
Definition
22
Term
what are the 5 special senses
Definition
equilibrium, smell, taste, sight, hearing
Term
what are the 4 functions of the skull
Definition
protect the brain and special senses

form openings for food and air to enter body

provide teeth and jaws for chewing

provide attachment surfaces for muscles that move the head, jaw, eyes, and produce facial expression
Term
What is unique about the hyoid bone
Definition
it does not articulate with another bone
Term
________ bind the hyoid bone to the skull
Definition
ligaments
Term
the hyoid bone serves as a movable base for _________ and is an attachment site for muscles that move the __________ during swallowing.
Definition
tongue

larynx
Term
how many muscles are attached to the hyoid bone?
Definition
10
Term
The part of vertebral column found in the neck is composed of _____________ vertebrae, __________, and ___________ discs
Definition
cervical vertebrae, ligaments, intervertebral discs
Term
how many cervical vertebrae are there
Definition
7
Term
What bind vertebrae together?
Definition
ligaments and intervertebral discs (cartilaginous pads)
Term
bone markings are...
Definition
openings, bumps, and depressions found on all bones
Term
openings in bones allow __________ and __________ to enter and exit bones
Definition
blood vessels and nerves
Term
is mastications voluntary or reflexive?
Definition
it's both
Term
what is controlled by reflexes in chewing?
Definition
the pattern and rhythm of continued jaw movements are mainly controlled by reflexes but can also be voluntary if desired
Term
a _______ is an automatic response to stimuli
Definition
a reflex
Term
facial muscles are used in ______, ________, & ________
Definition
mastication (chewing), facial expressions, speech
Term
angul
Definition
angle
Term
atla
Definition
mythological greek giant who help up the heavens
Term
axi
Definition
axle
Term
bucc
Definition
cheek
Term
cleid
Definition
clavicle
Term
crib
Definition
a sieve (strainer)
Term
crist
Definition
a projection
Term
dens
Definition
tooth-like
Term
di
Definition
two
Term
ethm
Definition
sieve-like
Term
frons
Definition
forehead
Term
gast
Definition
belly
Term
labi
Definition
lip
Term
lacr
Definition
a tear
Term
lambd
Definition
shaped like greek letter lambda
Term
leva
Definition
to raise
Term
magn
Definition
large
Term
masseter
Definition
a chewer
Term
mast
Definition
breast-shaped
Term
metop
Definition
the forehead
Term
nas
Definition
of the nose
Term
occip
Definition
the back of the head
Term
ocul
Definition
eye
Term
omo
Definition
shoulder
Term
opt
Definition
the eye; vision
Term
orbicularis
Definition
circular
Term
ori
Definition
mouth
Term
par
Definition
near
Term
parie
Definition
a wall
Term
rotund
Definition
round
Term
sell
Definition
a saddle
Term
sept
Definition
a wall
Term
spin
Definition
a spine
Term
stern
Definition
the breastbone
Term
styl
Definition
long and pointed
Term
turcica
Definition
Turkish
Term
vomer
Definition
a plow
Term
The 22 skull bones are divided into _______ and ______ bones
Definition
cranial and facial
Term
What do cranial bones do?
Definition
surround (form the walls of) the cranial cavity
Term
what do facial bones form?
Definition
the foundation of the face and surround the oral cavity
Term
what kind of bones surround the nasal cavity and orbits?
Definition
both cranial and facial bones surround nasal cavity and orbits
Term
sutures are _______________ that connect skull bones
Definition
fibrous joints
Term
as people age, the ____________________ binding bones is replaced by bone
Definition
fibrous connective tissue
Term
what does rudimentary mean
Definition
not present
Term
paranasal sinuses are connected to the ______ cavity
Definition
nasal
Term
a _____________ lines the nasal cavity and the sinuses
Definition
mucous membrane
Term
what is the function of sinuses?
Definition
it is unclear in science

the lighten skulls, but the saving in weight is trivial

they add resonance to the voice
Term
list the four sinuses in the skull
Definition
frontal sinus

maxillary sinus

sphenoidal sinus

ethmoidal sinuses (ethmoidal sinuses are many small spaces rather than one or two large spaces like other sinuses)
Term
what is the metopic suture
Definition
suture between two frontal bones in fetal skeleton
Term
what is a frontanel
Definition
membraneous areas of skull composed of fibrous membranes rather than bone. eventually replaced by bone by the age of two.
Term
what is the function of frontanel
Definition
allow skull to be compressed, making it easier for the head to pass through the birth canal
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