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Bonus Histo (from the book)
Cardiac & Lymph Bonus q's
13
Histology
Undergraduate 4
03/17/2011

Additional Histology Flashcards

 


 

Cards

Term
thymulin, thymopoeitin, thymosins
Definition
various polypeptides with hormonal characteristics secreted by the thymus
Term
stress involution, or acute involution of the thymus (more rapid than the normal slow involution with aging)
Definition
characterized by increased lymphocyte death, and mediated by high levels of corticosteroids
occurs in response to severe disease and metabolic stress associated with pregnancy, lactation, surgery, malnutrition, malignancy, and other systemic insults
Term
thymocytes
Definition
another name of t cells found in the cortex of the thymus in high numbers
Term
thymic interdigitating cell
Definition
cell found in the medulla of the thymus that expresses class 1 &2 MHC proteins
Term
negative selection
Definition
clonal deletion is also known as
Term
1) pharyngitis
2) tonsilitis
Definition
viral or bacterial infection of the mucosa of the pharynx (1) that may lead to an enlarwgment of the tonsils (2)
Term
mycobacterium tubuculosis
mycobacterium avium-intrallulare
toxoplasmosa gondii
Definition
diseases where an infectious organism directly invades and grows in a lymph node, which typically give rise to a granulomatous pattern of inflammation
Term
Helicobacter pylori (eradication of the infection may bring about resolution of the lymphoma)
Definition
people with a MALT lymphoma(maltoma) of the stomach almost always have a ____ infection
Term
lymphadenopathy-lymph node enlargment
splenomegaly
hepatomegaly
fever
weight loss
malaise
Definition
common clinical presentation of lymphomas
Term
Hodgkin's: doesn't say
non: composed of malignant B lymphocytes that may have a nodular(follicular) architecture and look like normal lymph nodes

there are no truly benign tumors of lymphoid tissue
Definition
what is the difference between Hodgkin's and non-Hodgkin's lymphomas?
Term
atheroma
Definition
A fatty deposit in the intima (inner lining) of an artery, resulting from atherosclerosis coronary arteries are prone to this
Term
ventricular fibrillation
Definition
common rhythm disturbance do to an MI
Term
angina of effort
Definition
when a few muscles cells of the heart die at a time causing crushing chest pain on exertion, but relief at rest
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