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Difference between revisions of "Eye"
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(→Histology: +melanocyte structures) |
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An introduction to neuropathology is in the ''[[neuropathology]]'' article. | An introduction to neuropathology is in the ''[[neuropathology]]'' article. | ||
== | =Anatomy= | ||
Anterior to posterior | ===Anterior to posterior=== | ||
#Cornea. | #Cornea. | ||
#Iris. | #Iris. | ||
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#*Similar to cornea - normally has blood vessels. | #*Similar to cornea - normally has blood vessels. | ||
Inside to outside | ===Inside to outside=== | ||
#Retina. | #Retina. | ||
#Retinal pigment epithelium (RPE). | #Retinal pigment epithelium (RPE). | ||
#Choroid. | #Choroid. | ||
#Sclera. | #Sclera. | ||
===Anterior angle=== | |||
*Angle between cornea and iris. | |||
=Histology= | |||
*The muscles that move the eye have a high nerve:muscle ratio = ~1:4.<ref>Bilbao. 24 November 2010.</ref> | |||
**Other muscles in the body ~1:250. | |||
Conjunctiva:<ref>URL: [http://www.lab.anhb.uwa.edu.au/mb140/corepages/eye/eye.htm http://www.lab.anhb.uwa.edu.au/mb140/corepages/eye/eye.htm]. Accessed on: 20 October 2011.</ref> | |||
*Stratified squamous. | |||
**May be stratified columnar | |||
*Goblet cells. | |||
===Cornea=== | ===Cornea=== | ||
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#*Single layer. | #*Single layer. | ||
=== | ===Eye structures with melanocytes=== | ||
[[Melanoma]] may arise from these sites: | |||
*Iris. | *Iris. | ||
*Conjunctiva. | *Conjunctiva. | ||
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*Choroid. | *Choroid. | ||
=Specific entities= | |||
==Pinguecula== | ==Pinguecula== | ||
*Plural ''Pingueculae''. | *Plural ''Pingueculae''. | ||
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*[http://library.med.utah.edu/WebPath/jpeg2/FOR124.jpg Retinal haemorrhage (med.utah.edu)].<ref>URL: [http://library.med.utah.edu/WebPath/EXAM/IMGQUIZ/fofrm.html http://library.med.utah.edu/WebPath/EXAM/IMGQUIZ/fofrm.html]. Accessed on: 6 December 2010.</ref> | *[http://library.med.utah.edu/WebPath/jpeg2/FOR124.jpg Retinal haemorrhage (med.utah.edu)].<ref>URL: [http://library.med.utah.edu/WebPath/EXAM/IMGQUIZ/fofrm.html http://library.med.utah.edu/WebPath/EXAM/IMGQUIZ/fofrm.html]. Accessed on: 6 December 2010.</ref> | ||
=See also= | |||
*[[Hypertension]]. | *[[Hypertension]]. | ||
*[[Neuropathology]]. | *[[Neuropathology]]. | ||
*[[CNS tumours]]. | *[[CNS tumours]]. | ||
=References= | |||
{{Reflist|2}} | {{Reflist|2}} | ||
[[Category:Weird stuff]] | [[Category:Weird stuff]] | ||
[[Category:Neuropathology]] | [[Category:Neuropathology]] | ||