Term
What do mast cell granules contain? |
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Definition
Histamine, Heparin,
slow reacting substance of anaphylaxis = SRS-A: vasodilator,
eosinophilic chemotactic factor = ECF-A: attracts eosinophilsContain
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Term
Which immunoglobulin is present on mast cell surface? |
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Definition
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Term
What is released into mast cell cytoplasm when antigen binds? |
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Definition
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Term
What are plasma cells derived from and what kind of cytoplasm do they have?
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Definition
derived from b-lymphocytes, have a basophilic cytoplasm |
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Term
What kind of connective tissue cells have a
Pale staining juxtanuclear Golgi region?
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Definition
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Term
During inflammation, what attracts leukocytes? |
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Definition
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Term
What do lymphocytes produce? |
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Definition
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Term
What do cytokines stimulate during inflammation |
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Definition
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Term
What phagocytoses
antigen-antibody complexes
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Definition
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Term
Where are adipocytes located and what do they synthesize? |
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Definition
located throughout loose connective tissue and sythesize hormones and inflammatory mediators |
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Term
What hormone is related to blood pressure and possible explanation of relationship of obesity to elevated blood pressure
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Definition
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Term
What is the initial site where invading organisms are acted upon by the immune system |
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Definition
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Term
How are regular dense connective tissue fibers (tendons/ligaments) arranged to provide maximum strength? |
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Definition
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Term
What is ground substance composed of |
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Definition
tissue fluids and proteoglycans |
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Term
What is hyaluronic acid composed of? |
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Definition
Glucoronic acid and N-acetylglucosamine |
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Term
What is a proteoglycan aggregate composed of? |
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Definition
Hyaluronic acid and proteoglycan monomers |
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Term
What gives rise to other cells of connective tissue? |
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Definition
Uncommitted mesenchymal cells |
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Term
What are the glycosaminoglycans |
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Definition
Hyaluronic acid
•Chondroitin-4-sulfate
•Chondroitin-6-sulfate
•Dermatan sulfate
•Heparin sulfate
•Heparin
•Keratan sulfate
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Term
Where is type 1 collagen located? |
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Definition
connective tissue of skin, bone, ligaments, tendons, organ capsules |
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Term
Where is type 2 collagen located? |
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Definition
cartilage, notochord, intervertebral disc |
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Term
where is type 3 collagen located? |
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Definition
connective tissue of organs, smooth muscle, endoneurium, blood vessels, and fetal skin |
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Term
Where is type 4 collagen located |
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Definition
Basal laminae of epithelia, kidney glomeruli, and lens capsule |
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Term
Reticular fibers are what type of collagen? |
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Definition
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Term
what 3 things produce reticular fibers |
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Definition
fibroblasts, schwann cells, smooth muscle cells |
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Term
desmosime and isodesmosime are found in what fiber? |
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Definition
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Term
What 2 things synthesize elastin? |
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Definition
fibroblasts and smooth muscle cells |
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Term
what is responsible for marfan syndrome |
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Definition
a deficiency in protein fibrillin 1 |
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Term
what do fibroblasts look like when not synthesizing |
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Definition
spindle-shaped cell with dark heterochromatic nuclei, exhibiting little cytoplasm extending as slender processes
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Term
what do active fibroblasts look like |
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Definition
nuclei become larger and oval, exhibiting distinct nucleoli. The cytoplasm is more abundant with many granular representations of the expanded GER system
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Term
what do neuroepithelial cells give rise to, and what does that product give rise to |
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Definition
Neuroepithelial cells give rise to neuroblasts which give rise to neurons |
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Term
How is the nervous system divided anatomically |
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Definition
CNS (brain and spinal cord) and PNS (everything else) |
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Term
How is the nervous system divided functionally |
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Definition
Somatic (voluntary) and autonomic (involuntary/unconscious) |
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Term
What is the endoplasmic reticulum called in the neuronal nuclues? |
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Definition
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Term
What percentage of neurons are interneurons |
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Definition
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Term
what is nerve tissue compsed of |
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Definition
Large neurons with long cell processes surrounded by much smaller glial cellsthat lack dendrites and axons
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Term
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Definition
like neurons grouped together outside the nervous system |
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Term
What are the two types of synapses |
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Definition
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Term
what is responsible for producing myelin in the CNS |
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Definition
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Term
what produces myelin in the PNS |
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Definition
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Term
what are peripheral nerves composed of |
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Definition
several bundles called fascicles surrounded by connective tissue
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Term
where are parasympathetic ganglia located? |
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Definition
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Term
what are the CNS glial cells |
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Definition
oligodendrocytes, astrocytes, microglia, ependymal cells |
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Term
what is the dorsal root of the spinal nerve made up of? |
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Definition
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Term
what is the ventral root of the spinal nerve made up of? |
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Definition
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Term
what are neurons isolated by |
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Definition
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Term
What do you call a collection of nerve cells in the CNS |
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Definition
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Term
where do the presynaptic neurons of the parasympathetic division arise? |
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Definition
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Term
what does sympathetic innervation cause? |
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Definition
constriction of the smooth muscle |
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Term
where are the pre-synaptic parasympathetic neuronal cell bodies located? |
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Definition
the brain stem or the lumbar sacral region of the spinal cord |
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Term
what does parasympathetic innervation result in? |
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Definition
dilation of blood vessels and relaxation of smooth muscle of the gut |
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Term
where are the sympathetic nervous system and adrenal medulla derived from? |
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Definition
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Term
what layer of the meninges contains blood vessels? |
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Definition
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Term
what kind of synapses are involved in immediate memory |
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Definition
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Term
what are the two types of long term memory |
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Definition
declarative (retention of facts as texts or words)
procedural (retention of motor skills) |
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