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7 Cards in this Set
- Front
- Back
Type II pneumocytes
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-type II pneumocytes have two important function:
-regeneration of alveolar lining after injury -surfactant production |
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Specificity test
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a b
c d specificity = d/(b+ d) |
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PCP symptoms
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-PCP is hallucinogen that works by antagonizing the NMDA receptor
-moderate amounts cause dissociative symptoms, including detachment and withdrawal -at higher doses, PCP can induce agitation, hallucinations, and violent behavior -ataxia, nystagmus, and memory loss are other distinguishing symptoms of PCP abuse |
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Embryology of pituitary gland
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-pituitary (adenohypophysis) is derived from surface ectoderm during embryologic development
-anterior pituitary develops in Rathke's pouch, an embryologic space in roof of developing mouth -ectoderm gives rise to surface ectoderm, neural tube, and neural crest |
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Turner's syndrome symptoms
-presentation: 20 year old woman undergoes bilateral oophorectomy – ovaries small and underdeveloped -consist of connective tissue with no follicles present |
"Streak ovaries" = ovaries with no follicles present (aka, menopause before menarche)
--Streak ovaries, amenorrhea, and infertility are gonadal manifestations of Turner's syndrome -associated with short stature, webbed neck, low posterior hairline, and COARCTION OF THE AORTA |
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Paracortex of lymph node
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-paracortex is region of lymph node populated primarily by T lymphocytes and dendritic cells
-poor development of lymph node paracortex seen with DiGeorge's syndrome |
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Lymph node cortex – follicles
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-cortical follicles are sites of B-cell localization and proliferation
-primary follicles are dense and dormant -secondary follicles have pale germinal center with proliferating B cells and follicular dendritic cells -in agammaglobulinemia, germinal centers and primary lymphoid follicles do not form due to absence of B cells. |
