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Histology Connective Tissue- Barry BMS Questions and Answers Fully Solved
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Histology Connective Tissue- Barry BMS
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Histology Connective Tissue- Barry BMSWhat is ground substance (amorphous component) made of? - answer Proteoglycans,
multidevice glycoproteins, and glycosaminoglycans
-highly vascular tissue
- connects other tissues and structure
-*abundant ECM* made of protein fibers & ground substance - answer connective tissue
responsible for the
-*organ structure*
-mechanical strength
- space filling
- physical & metabolic support - answer connective tissue
What are the three types of protein fibers in the ECM? - answer Collagen, elastic, and
reticular
what is the major constituent of connective tissue ? - answer Extracellular matrix
What is the embryonic origin of connective tissue? - answer Mesenchyme from the
mesoderm
T/F
ground substance includes
-hydrophilic proteoglycans
- glycosaminoglycans (GAG)
-multi adhesive proteins - answertrue
30% of dry weight in the human body is made of what protein fiber ? - answercollagen
protein
-resistance to *TENSION*
-eosinophilic
-ex: "BOLD DT"
-*most abundant* - answertype 1 collagen
-reistant to *PRESSURE*
- less abundant
-semi thick
-ex: cartilage / eye - answerType II collagen
- MAINTAIN *STRUCTURE*
, - thin fibers
- form *reticular fibers*
-*black & silver*
- *PAS Positive*
- ex: liver , endocrine, lymph organ, bone marrow - answerType III collagen
Which of the following is NOT a characteristic of mesenchyme?
A. Few collagen fibers
B. Abundant viscous ground substance
C. Undifferentiated cells
D. High amounts of mitochondria - answerD. High amounts of mitochondria
hydroxylation of specific propel and lysyl residues in the ER are dependent on what
vitamin ? - answerVitamin C
-composite of *fibrillin* and *elastin *
-secreted by *fribroblast*
- *thinner* than *type I*
-distention resistant
-stain *poorly* with H&E
-Stain *DARK* with *orcein and aldehyde* - answerelastic fibers
-*HIGHLY* hydrated
-transparent
- GAG
-multi adhesive proteins
-*viscous* to allow diffusion & barrier against *MO penetration* - answerground
substance
T/F
cells within connective tissue
-fibroblast
-plasma cells
-lymphocytes
-luekocytes
-macrophages
-adipocytes - answertrue
_____ are the *most common type* of cells in the connective tissue proper. They
produce/maintain extracellular components.
-*originate* from mesenchymal cells - answerFibroblasts
three types of fibroblast are ? - answeractive
passive
myofibroblastic
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