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