pathology cecere exam 2 Flashcards
unique thing about adaptive cutaneous metaplasia (response to injury)
neovasculization. vessels migrate from limbus to center of the cornea. response to irritation
hallmark of feline corneal sequestrum
focal necrosis. dark brown corneal pigmentation inside ulceration. persians
hallmark feature of canine persistent ulcer syndrome
failure of reepithelization. so the epithelium doesnt adhere to the stroma
canine pannus keratitis? what is unique about it? what species
responsive to immune supression. german shephards
what is the difference between bovine conjunctivitis and infectious bovine keratoconjunctivitis?
bovine conjunctivitis is IBR bovine herpes virus 1. NO ulceration
infectious bovine keratoconjunctivitis is from moraxella bovis and is ulcerative that can lead to malacia.
which melanocytic neoplasm is considered to be. malignant?
lesions on the conjunctive are thought to be malignant melanomas until proven otherwise.
what is the difference between the anterior surface of the iris and the posterior surface of the iris
anterior has melanocytes and the posterior has pigmented endothelial cells.
what is the role of the superficial nonpigmented epithelium in the ciliary process
secretory
what is the cause of equine conjuncitivits
habronema larvae
phagolytic vs phacoclastic uveitis
phagolytic is from leakage. occurring secondary to cataracts.
phagoclastic is traumatic rupture associated with diabetic cataracts
lesions from systemic mycoses
pyogranulomatous endophthlmitis: interior of the globe
symoyed, huskie, snow dogs that have bilateral granulomatous uveitis and depigmentation of the skin
uveodermatologic syndrome, VKH. immune mediated disease
what causes immune mediated uveitis in feline eyes
FIP
one of the most common causes of blindness in horses. started as bouts of blindness
equine uveitis. maybe hypersensitivity from leptospira
delayed onset of glaucoma. primary form. abnormality in development
goniodysgenesis