Term
| crease in skin between upper part of eyelid & bony orbital margin |
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Definition
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Term
| space between upper & lower lids |
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Definition
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Term
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Definition
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Term
| name for blockage of sebaceous & sweat glands of eye |
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Definition
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Term
| epithelial cell lining formed on posterior surface of lids & anterior surface of eye (covers sclera: white portion of eye) |
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Definition
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Term
| glands embedded within tarsal plates of eye; secrete sebaceous fluid which prevents lacrimal fluid from running onto face & slows evaporation of lacrimal fluid |
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Definition
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Term
| ligament anchoring tarsal plates to maxilla; also serves as origin for orbicularis oculi M. |
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Definition
| medial palpebral ligament |
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Term
| ligament anchoring tarsal plates to zygomatic bone |
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Definition
| lateral palpebral ligament |
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Term
| contraction of this portion of orbicularis oculi M. results in *firm closure of palpebral fissure |
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Definition
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Term
| contraction of this portion of orbicularis oculi M. results in *movement of lacrimal fluid across the palpebral fissure toward lacrimal lake |
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Definition
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Term
| contraction of this portion of orbicularis oculi M. assists in *drainage of lacrimal fluid |
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Definition
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Term
| orbicularis oculi M.: innervation |
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Definition
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Term
| M. which elevates (retracts) upper eye lid; originates from bony orbital roof and inserts into superior eye lid & tarsal plate |
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Definition
| levator palpebrae superioris M. |
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Term
| levator palpebrae superioris M.: innervation |
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Definition
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Term
| loss of CN III results in this condition |
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Definition
| ptosis (drooping of upper eye lid) |
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Term
| M. which elevates (retracts) upper eye lid; originates from inner surface of levator palpebrae superioris & inserts onto superior tarsal plate |
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Definition
| superior tarsal M. (Mullers muscle) |
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Term
| superior tarsal M. (Mullers muscle): innervation |
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Definition
| postganglionic sympathetic fibers arising from cervical sympathetic chain (superior cervical ganglion) |
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Term
| loss of sympathetic innervation by cervical sympathetic chain causes this syndrome, which includes ptosis in its usually observed signs |
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Definition
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Term
| sensory innervation to superficial eye: terminal N. branch of *V1 which passes through supraorbital foramen |
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Definition
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Term
| sensory innervation to superficial eye: terminal N. branch of *V2 which passes through infraorbital foramen |
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Definition
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Term
| arteries and veins of superficial eye: terminal branch of ophthalmic A. & V. |
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Definition
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Term
| arteries and veins of superficial eye: terminal branch of maxillary A. & V. |
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Definition
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Term
| arteries and veins of superficial eye: 'angular' parts of these A. & V. supply some of eye |
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Definition
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Term
| arteries and veins of superficial eye: A. & V. located on temporal region of skull; supply some of eye |
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Definition
| superficial temporal A. & V. |
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Term
| gland located on upper lateral region of anterior orbit; composted of 2 major parts; produces an aqueous solution of tear film; secretes lacrimal fluid onto eye surface through small ductules in fornix of upper eye lid |
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Definition
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Term
| lacrimal gland receives parasympathetic innervation from this N. |
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Definition
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Term
| superficial opening to lacrimal canaliculi; located on medial margin of eye lids |
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Definition
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Term
| small canals that join from lacrimal punctum to lacrimal sac |
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Definition
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Term
| structure lies behind medial palpebral ligament; receives lacrimal fluid from lacrimal canaliculi; lacrimal portion of orbicularis oculi lies behind this |
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Definition
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Term
| M. which lies posterior to lacrimal sac & assists in creating a vacuum to drain lacrimal lake |
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Definition
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Term
| structure which passes inferiorly from lacrimal sac & terminates by opening into nasal cavity |
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Definition
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Term
| CN III, CN IV, CN V1, CN VI, & superior ophthalmic V. exit skull through this structure |
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Definition
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Term
| CN II & ophthalmic A. (branch of internal carotid) exit skull through this structure |
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Definition
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Term
| which extraocular M.s of the orbit do NOT originate from annular tendon (2) |
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Definition
levator palpebrae superioris M.
inferior oblique M. |
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Term
| M. in eye formed from smooth M. & receive autonomic innervation (3) |
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Definition
ciliary M.
dilator pupillae M.
pupillary sphincter M. |
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Term
| sensory N. which bifurcates into supraorbital N & supratrochlear N.; located near midline in orbit |
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Definition
| frontal N. (branch of V1) |
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Term
| sensory N. branch of V1 which is located laterally in the orbit |
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Definition
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Term
| sensory N. which gives rise to posterior & anterior ethmoidal N. branches; ends superficially as infratrochlear N.; located medially in orbit |
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Definition
| nasocilliary N. (branch of V1) |
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Term
| motor N. of orbit which supplies all extraocular musculars EXCEPT the lateral rectus M. & superior oblique M. |
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Definition
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Term
| motor N. supplying superior oblique M. of orbit |
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Definition
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Term
| motor N. supplying lateral rectus M. of orbit |
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Definition
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Term
| ciliary ganglion contains ____ cell bodies |
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Definition
| postganglionic parasympathetic |
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Term
| cell bodies in ciliary ganglion give rise to fibers that leave ganglion & join ciliary N.s of what larger N. for a while? |
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Definition
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Term
| postganglionic parasympathetic fibers innervate these 2 smooth M.s |
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Definition
sphincter pupillae M.
ciliary M. |
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Term
| parasympathetic NS has this effect on pupil diameter & lens |
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Definition
constriction
thickening of lens (for nearsightedness) |
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Term
| sympathetic NS has this effect on pupil diameter & lens |
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Definition
dilation
flattening of lens (for farsightedness) |
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Term
| prganglionic sympathetic cell bodies come from |
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Definition
| upper thoracic levels of the spinal cord |
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Term
| preganglionic sympathetic fibers terminate in |
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Definition
| superior cervical ganglion |
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