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63 Cards in this Set

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  • Back
The 5 bones of the temporal fossa are...
temporal, sphenoid, frontal, parietal, zygomatic
what is the name of the junction between g.w. of the sphenoid, the squamous temporal, the frontal, and the parietal bones
pterion
What are the 3 bones of the pterygopalantine fossa?
sphenoid, palantine, maxillary
What bone is common to the temporal, infratemopral, and pterygopalatine fossa?
sphenoid
What two things go through the optic canal?
Optic nerve and the opthalmic artery
what are the 4 bones of the infratemporal fossa?
temporal, sphenoid, maxillary, zygomatic
Where does the facial nerve exit the skull?
The internal acoustic meatus
Where does each of the 3 branches of V exit the skull?
opthalmic- Sup. Orb. Fissure
Maxillary- foramen rotundum
Mandibullary- foramen ovale
How does the orbital artery branch of the external carotid?
ext. carotid gives off tehsuperficial temporal artery which gives of the orbital artery.
what are the branches of the external carotid? (3)
1. Facial
2. Infraorbital
3. Superficial Temporal
What are the branches of the internal carotid artery? (4)
1.opthalmic artery
2.posterior communicating art.
3.anterior cerebral artery
4.Middle Meningeal artery
What are the branches of the external jugular vein? (3)
What are the branches of the internal jugular vein? (3)
EXTERNAL- superficial temporal, infraorbital, anterior facial veins
INTERNAL-anterior facial,pterygoid plexus, venous sinuses
what are the risorius tenses?
the lips
what are the 3 main muscles for chewing?
1. temporalis
2. Masseter
3. Lateral pterygoid
how many spinal nerves are there?
31
how many thoracic nerves are there
12
What 4 things is gray matter made up of?
1.cell bodies
2.dendrites
3.unmyelinated nerve fibers
4.neuroglia
how many cranial nerves are there?
12
Name the 12 Cranial nerves
olfactory, optic, ocularmotor, trochlear, trigemenal, abducens, facial,vestibulococlear, glossopharyngeal, vagus, accessory, hypoglossal
which 3 nerves are sensory.
which 5 nerves are motor.
which nerves are both?
sensory-1,2,8
motor-3,4,6,11,12
mixed-5,7,9,10
what does the motor component of the 5 CN innervate?
muscles of mastication
what does the sensory component of CN7 innervate?
anterior 2/3 of the tongue and the soft palate
what are the 3 paired salivary glands?
parotid, submandibular, sublingual
What are the 2 main components of the middle ear?
1. tympanic membrane
2. ossicles
where are the oval and round windows located?
in the bony wall at the foot of the stapedes that separates the middle and inner ear.
What makes up the borders of the cochlear duct?
vestibular (reisner's) membrane, the tectorial membrane
what fills the cochlear duct?
endolymph
what are the organs of equilibrium? (3)
utricle, saccule and the semicircular canals
Where do all the major dural sinuses drain?
the internal jugular vein
what layer lines the bones of the cranium
the dura matar
where is csf formed?
in the ventricles of the brain and the ependymal layer of the spinal chords central canal.
what is the pathway of csf?
down the posterior spinal chord, up the anterior spinal chord, ventral brain, dorsal brain, to dural superior sius where it is reabsorbed
How many lobes do the right and left lungs have respectivly?
right-3
left-2
what fissure does the right lung have that the left doesnt?
Both lungs have a oblique fissure the right lung also has a horizontal fissure.
what covers the diaphram?
parietal pleura
How many pumonary veins are there?
4 sup/inf on each lung
what layer of the heart supports nerve conduction tissue of the heart?
endocardium
which layer of the heart contains fat tissue?
epicardium
what is the protective layer of the heart that contains serous and fibrous coat?
parietal pericardium
what are the 2 branches of the ascending aorta?
the right and left coronary arteries.
where do papillary muscles attatch?
the chordae tendonae
what is the flow of nerve conduction through the heart?
SA, AV, bundle of His, purkinje fibers
How is the trachea supported?
thyroid and cricoid cartlidge
How long is the trachea?
How long is the esophagus?
10 cm-trachea
25 cm-esophagus
which is anterior the trachea or the esophagus?
trachea
Where does the vagus originate?
The superficial medulla
What is the vagus nerve sensory for? (3)
Heart, liver, spleen
where does the phrenic nerve originate?
the cervical plexus
what separates the two lobes of the liver
the falciform ligament
What connects the gall bladder with the common bile duct?
Cystic duct
What is the intersection of the pancreatic and common bile duct before emptying into the small intestine?
ampulla of vater
what is the exocrine function of the pancreas
creates digestive enzymes (trypsinogen, chymotrypsinogen, pancreatic lipase, amylase
where is the splenic artery and vein?
In the hilus of the spleen
Where does a majority of the water absorbtion happen in the kidney?
proximal tubule
What does the adrenal medulla secrete?
epinephrine, norepinephrine
where is aldosterone secreted?
zona glomerulosa of the adrenal cortex
What is secreted by the zona reticularis?
testosterone, estrogen, progesterone
what is the area of the urinary bladder between the incoming ureters and outgoing urethra called?
Trigone
What is the main muscle of the inner urinary bladder wall called?
detrussor
what two things do parietal cells secrete?
HCL and intrinsic factor (to help absorb vit b12)
What does the sphinctor of Oddi control?
The entry of bile and pancreatic juice into the duodenem
What is the initial portion of the large intestine Called?
Cecum
What duct drains the majority of the body's lymph?
The thoracic duct