Human Gross Exam #3
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209 Terms
Name; Paired or unpaired?
frontal; unpaired
Name; Paired or unpaired?
parietal; paired
Name; Paired or unpaired?
occipital; unpaired
Name; Paired or unpaired?
sphenoid; unpaired
Name; Paired or unpaired?
temporal; paired
Name; Paired or unpaired?
ethmoid; unpaired
Name; Paired or unpaired?
maxilla; paired
Name; Paired or unpaired?
zygomatic; paired
Name; Paired or unpaired?
palatine; paired
Name; Paired or unpaired?
nasal; paired
Name; Paired or unpaired?
lacrimal; paired
Name; Paired or unpaired?
inferior nasal concha; paired
Name; Paired or unpaired?
vomer; unpaired
Name; Paired or unpaired?
mandible; unpaired
Name; Paired or unpaired?
hyoid; unpaired
What bones make up the orbit?
spenoid, frontal, ethmoid, lacrimal, maxilla, zygomatic
What suture is this?
coronal
What bones make up this suture?
frontal and parietal
What suture is this?
temporal
What bones make up this suture?
temporal, parietal, sphenoid
What suture is this?
lambdoid
What bones make up this suture?
parietal and occipital
What structure is this?
pterion
What bones make up this structure?
frontal, parietal, temporal, sphenoid
What is the importance of this structure?
thinnest part of skull; susceptible to fracture; artery runs along inner surface, which could lead to epidural hematoma if damage occurs here
What is this structure?
asterion
What bones & sutures make up this structure?
parietal, occipital, temporal bones; temporal and lambdoid sutures
What suture is this?
sagittal
What bones make up this suture?
both parietal bones
What is this structure?
bregma
What bones & sutures make up this structure?
frontal and both parietal bones; coronal and sagittal sutures
What is the importance of this structure?
anterior fontanelle (“soft spot”) in the skull of a newborn
What is this structure?
lambda
What bones & sutures make up this structure?
occipital and both parietal bones; lambdoid and sagittal sutures
What is this structure?
external occipital protuberance
What is this structure?
mastoid process
What is this structure?
styloid process
What is this structure?
external auditory meatus
What is this structure?
zygomatic arch
What is this structure?
temporal lines
What is this structure?
foramen magnum
What passes through?
spinal cord, vertebral n., spinal branch of CN XI (accessory n), meninges
What is this structure?
occipital condyle
What is this structure?
jugular foramen
What passes through?
sigmoid sinus (becoming the jugular vein); glossopharyngeal, vagus and accessory n. (CN IX, X, XI)
What is this structure?
stylomastoid foramen
What is this structure?
carotid canal
What is this structure?
foramen lacerum
What is this structure?
foramen lacerum
What is this structure?
foramen ovale
What is this structure?
foramen rotundum
What is this structure?
nasal choanae
What is this structure?
head
What is this structure?
neck
What is this structure?
coronoid process
What is this structure?
lingual
What is this structure and what does it hold?
mandibular foramen; CN V (trigeminal n.)
What is this structure?
mandibular symphysis
What is this structure and what does it hold?
mental foramen; mental n.
What nerve innervates ALL muscles of facial expression?
facial n. (CN VII)
What muscle is this?
frontalis
What is the action of frontalis?
wrinkle forehead/brow
What muscle is this?
occipitalis
What muscle is this?
platysma
What is the action of the platysma?
tenses neck
What is this tendon?
galea aponeurotica
What muscle is this?
procerus
What muscle is this?
orbicularis oculi
What is the action of orbicular oculi?
squints eye
What muscle is this?
levator labii superioris
What is the action of levator labii superioris?
elevates upper lip
What muscles are these?
zygomaticus minor (superior) and major (inferior)
What is the action of the zygomaticus muscles?
draws angle of mouth superiorly and posteriorly (smile)
What muscle is this?
levator anguli oris
What is the action of levator anguli oris?
elevates corners of mouth (little grin)
What muscle is this?
buccinator
What muscle is this?
orbicularis oris
Action of orbicularis oris
puckers lips
What muscle is this?
depressor anguli oris
Action of depressor anguli oris
depresses lower lip; pout
What muscle is this?
mentalis
Action of mentalis
wrinkles skin of chin
What muscle is this?
nasalis
Action of nasalis
flaires nostrils
What branch of the Facial n. innervates the forehead and eye?
temporal
What branch of the Facial n. innervates the maxilla/zygomatic area?
zygomatic
What branch of the Facial n. innervates the mouth region?
buccal
What branch of the Facial n. innervates the area around the mandible?
mandibular
What branch of the Facial n. innervates the neck region?
cervical
What gland is this?
parotid gland
What is this duct?
parotid duct
What is the function of the parotid duct?
saliva from the parotid gland goes past masseter muscle, going to the inside to the cheek to deliver saliva
What muscle is this?
temporalis
Temporalis origin
temporal lines
Temporalis insertion
coronoid process of mandible
Temporalis action
closes jaw (most powerful muscle for this); biting muscle
Temporalis innervation
trigeminal n. (CN V), mandibular division (V3)
What muscle is this?
masseter
Masseter origin
zygomatic arch
Masseter insertion
mandibular angle