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Test Review
Practice Test 2011 Stuff
24
Histology
Graduate
08/18/2013

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Term
Fixation
Definition
To prevent degradation
Term
lipofuscin
Definition
Yellow-Brown pigmented, membrane enclosed granules that contain lipid leftovers from lysosomal breakdown.
Term
glycogen granules
Definition
Polysacharide, animal form of glucose storage. dark spots in cell.
Term
site of transmembrane protein origination
Definition
rER
Term
fibrous region of nucleolus function
Definition
Splicing polyribosomes
Term
claudins
Definition
Hold membranes together at a tight junction
Term
what is attached to the terminal web by an attachment plaque
Definition
zonula adherens
Term
electrically couple adjacents cells when numerous
Definition
connexons
Term
lamina densa contains what?
Definition
a feltwork of collagen IX
Term
stress fibers, important for structure and migration, are composed of what?
Definition
actin filaments
Term
Microtubules initate growth from what?
Definition
centrosome
Term
intermediate filaments are primarily responsible for what?
through what?
Definition
structural support through junctional and cell matrix associations
Term
the nuclear space is continuous with what cellular moiety ?
Definition
cytosol
Term
the nuclear membrane is continuous with what cellular moiety?
Definition
rER
Term
RBC diameter?
Definition
7 micro meters
Term
what does a constistant purpilish tint around the edge of the cells cytoplasm indicate about it's function?
Definition
Term
What do several red dots clustered in a section of cypolasm indicate (sometimes called clock faced)?
Definition
storage of a protein waiting to be secreted upon demand
Term
a ton of golgi all around cell with significant euchromatin indicates?
Definition
extensive protein synthesis for continuous secretion
Term
integrins
Definition
mediates the attachment to other cells or the ECM
Term
desmin
Definition
class 3 intermediate filament found in muscle cells
Term
issues with nuclear lamen can cause what type of disease?
Definition
premature aging : hutchinson-gilford progeria
Term
integrin
Definition
Hemidesmosome : cell to ECM adhesion
Term
what are cadherins?
Definition
Zonula Adherins cell to cell adhesion
Term
N-protein glycosylation does what?
Definition
promotes correct protein folding
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