Pathology: Wound Repair Flashcards
24 hours
approximate time required for a large corneal defect to seal over with a layer of epithelial cells
corneal abrasion
term for a mechanically acquired physical defect of the cornea that primarily involves the epithelium (though Bowman’s layer and the anterior stroma may be involved)
4 to 6 weeks
time for 4 to 6 layers of full epithelium to form over a large corneal abrasion
facet
if anterior stroma is taken away in a corneal abrasion, what feature results after healing
fibrosis
whereas most tissues in the body heal by fibrovascular proliferation, the cornea heals by…
epithelium
source of growth factors to stimulate and sustain stromal fibroblasts repairing a stromal defect
fibrous ingrowth
what may result if the inner margin of a corneal wound is not covered by Descemet’s membrane?
episclera
source of fibrovascular proliferation following a scleral wound
uvea
this ocular tissue does not generally regenerate in response to injury (other than the retina)
RPE
if Bruch’s membrane is disrupted by an insult, what typically proliferates vigorously?
fibroblasts, microglia
in vitreous inflammation, what cells contribute to membrane formation?
true
TRUE or FALSE: extraocular muscle myocytes are permanent cells that do not regenerate following death
cyclodialysis
result of disinsertion of the longitudinal muscle of the ciliary body
scleral spur, internal ostia of vortex veins, peripapillary tissue
three points of attachment of the uveal tract
traumatic angle recession
condition caused by rupture of the face of the ciliary body with a plane of weakness extending posteriorly between the longitudinal muscle and circular/oblique muscles
