Optic cup (anatomical)

Optic cup (anatomical)

The optic cup is the white, cup-like area in the center of the optic disc.[1]

The ratio of the size of the optic cup to the optic disc (or cup-to-disc ratio) is measured to diagnose glaucoma.

References

  1. ^ Algazi VR, Keltner JL, Johnson CA (December 1985). "Computer analysis of the optic cup in glaucoma". Invest. Ophthalmol. Vis. Sci. 26 (12): 1759–70. PMID 4066212. http://www.iovs.org/cgi/pmidlookup?view=long&pmid=4066212. 
v · d · eSensory system – visual system – globe of eye (TA A15.2.1–6, TH 3.11.08.0-5, GA 10.1005)
Fibrous tunic (outer)
Episcleral layer • Schlemm's canal • Trabecular meshwork
1: posterior compartment 2: ora serrata 3: ciliary muscle 4: ciliary zonules 5: canal of Schlemm 6: pupil 7: anterior chamber 8: cornea 9: iris 10: lens cortex 11: lens nucleus 12: ciliary process 13: conjunctiva 14: inferior oblique muscule 15: inferior rectus muscule 16: medial rectus muscle 17: retinal arteries and veins 18: optic disc 19: dura mater 20: central retinal artery 21: central retinal vein 22: optical nerve 23: vorticose vein 24: bulbar sheath 25: macula 26: fovea 27: sclera 28: choroid 29: superior rectus muscle 30: retina1:posterior compartment 2:ora serrata 3:ciliary muscle 4:ciliary zonules 5:canal of Schlemm 6:pupil 7:anterior chamber 8:cornea 9:iris 10:lens cortex 11:lens nucleus 12:ciliary process 13:conjunctiva 14:inferior oblique muscule 15:inferior rectus muscule 16:medial rectus muscle 17:retinal arteries and veins 18:optic disc 19:dura mater 20:central retinal artery 21:central retinal vein 22:optical nerve 23:vorticose vein 24:bulbar sheath 25:macula 26:fovea 27:sclera 28:choroid 29:superior rectus muscle 30:retina
About this image
Uvea/vascular tunic (middle)
Retina (inner)
Layers
Cells
Photoreceptor cells (Cone cell, Rod cell) → (Horizontal cell) → Bipolar cell → (Amacrine cell) → Retina ganglion cell (Midget cell, Parasol cell, Bistratified cell, Giant retina ganglion cells, Photosensitive ganglion cell) → Diencephalon: P cell, M cell, K cell
Muller glia
Other
Macula (Foveola, Fovea centralis) • Optic disc (Optic cup)
Anterior segment
Anterior chamber • Aqueous humour • Posterior chamber • Lens (Capsule of lens, Zonule of Zinn)
Posterior segment
Other

M: EYE

anat(g/a/p)/phys/devp/prot

noco/cong/tumr, epon

proc, drug(S1A/1E/1F/1L)



Wikimedia Foundation. 2010.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • Cup-to-disc ratio — The cup to disc ratio is a measurement used in ophthalmology and optometry to assess the progression of glaucoma. The optic disc is the anatomical location of the eye s blind spot , the area where the optic nerve and blood vessels enter the… …   Wikipedia

  • Eye — For other uses, see Eye (disambiguation), Ocular (disambiguation), Ocular, and Oculus. For taxon specific articles, see human eye, simple eye in invertebrates, mollusc eye, and arthropod eye. Eye …   Wikipedia

  • Ciliary muscle — The choroid and iris. (Ciliary muscle is labeled near top.) Latin musculus ciliaris Gray s …   Wikipedia

  • Nervous system — Nerve redirects here. For other uses, see Nerve (disambiguation). This article is about the nervous system. For parts of the nervous system commonly called nerves, see Peripheral nerve. Nervous system The Human N …   Wikipedia

  • calyculus — noun 1. a group of bracts simulating a calyx as in a carnation or hibiscus • Syn: ↑epicalyx, ↑false calyx, ↑calycle • Hypernyms: ↑bract 2. a small cup shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) • Syn: ↑ …   Useful english dictionary

  • caliculus — noun a small cup shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) • Syn: ↑calyculus, ↑calycle • Derivationally related forms: ↑calycular (for: ↑calyculus), ↑calicular ( …   Useful english dictionary

  • calycle — noun 1. a group of bracts simulating a calyx as in a carnation or hibiscus • Syn: ↑epicalyx, ↑false calyx, ↑calyculus • Hypernyms: ↑bract 2. a small cup shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) • Syn …   Useful english dictionary

  • Neurogenesis — BrdU (red), a marker of DNA replication, highlights neurogenesis in the subgranular zone of hippocampal dentate gyrus. Fragment of an …   Wikipedia

  • Capsule — has many meanings in medicine including the following: {{}}In medicine, a membranous structure that envelops an organ, a joint, tumor, or any other part of the body. It is usually made up of dense collagen containing connective tissue. In… …   Medical dictionary

  • photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …   Universalium

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”