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52 Cards in this Set
- Front
- Back
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spinal nerve
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carry afferent and efferents
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dorsal ramus (dorsal branch)
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dorsal branch of spinal nerve carries impulse to and from dorsal
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ventral ramus (ventral branch)
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ventral branch of spinal nerve carries impulses to and from ventral
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sympathetic chain ganglion
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cross section lumen, carries sympathetic fibers
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grey ramus communicans
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connect ventral ramus and sympathetic chain ganglion, for sympathetic efferents
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pairs of spinal nerves
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31 total
8 cervical 12 thoracic 5 lumbar 5 sacral 1 coccygeal |
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Cranial Nerve 1 & 2
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Olfactory and Optic (top of midbrain?)
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cervical region of spinal cord
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cervical plexus
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C1-C4
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Phrenic nerve
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C3, C4, C5
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brachial plexus
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C5-T1
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thoracic region of spinal cord
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intercostals nerves
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T2-T12
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lumbar region of spinal cord
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lumbar plexus
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L1-L4
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femoral nerve
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arises from lumbar plexus
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sacral plexus
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L4-S4
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sciatic nerve
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arises from sacral plexus
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Fibrous tunic
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Sclerotic coat (sclera)
Cornea |
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Vascular tunic
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-Iris
-ciliary body (muscle & processes) -choroid |
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Sensory or Neural Tunic
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Retina
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3 tunics
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1) Fibrous
2) Vascular Layer 3) Sensory or Neural |
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Optic Disc
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exit spot for nerve
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Optic nerve
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Carries impulses from retina to brain
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Ora Serrata
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retina/ciliary body junction interior eyeball
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Lens
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held in place by the ciliary processes
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Lacrimal gland
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tear tumor
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Nasolacrimal duct
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carries tears from eye to nose
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Eye Muscles
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Superior rectus muscle
Inferior rectus muscle Medial rectus muscle Lateral rectus muscle Superior oblique muscle Inferior oblique muscle |
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ossicles in middle ear
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Maleus - hammer
Incus - anvil Stapes - stirrups |
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Tympanic membrane
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ear drum
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Auditory (Pharyngotympanic) tube
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connects ear to pharynx
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semicircular canals
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angular rotational equilibruim meters
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vestibule
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utricle & saccule
house equilibrium receptors that respond to gravity and reports on changes of head position |
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round window
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connects to scala tympani of cochlea
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oval window
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connects stapes to scala vestibuli in cochlea
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cochlea
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hearing receptor site
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cochlear nerve
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attaches to cochlea
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tectorial membrane
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overlies hair cells in the cochlear duct (scala media) hairs pull on causing AP's
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cochlear hair cells
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below tectorial membrane in scala media or cochlear duct
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basilar membrane
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hair cells are implanted in this membrane, that respond to vibrations
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cochlear nerve
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takes impulses from the cochlea to the brain
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spiral ganglion
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baby ganglions that form the spinal nerves going to the brain
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organ of corti
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inner ear hair receptors and tectorial membrane etc. (square)
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scala vestibuli
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canal attached to the oval window. above the scala media
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scala tympani
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canal attached to the round window below the scala media
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scala media/cochlear duct
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middle canal
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3 types of papillae and locations
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1) Fungiform Pupillae
mushroom caps taste buds on tongue 2) Foliate Papillae shark gills lateral posterior tongue 3) circumvallate Papillae inverted V posterior tongue |
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2 types of tonsils and locatiosn
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Palatine tonsil - side of mouth
lingual tonsil - posterior tongue |
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Parts of taste receptor
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taste fibers wrap around gustatory cells
basal cells for spares taste pore opening |
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olfactory bulb
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connected to olfactory tract
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olfactory tract
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connected to mitral cell, synapse in glomeruli with olfactory receptor cell
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