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24 Cards in this Set
- Front
- Back
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fibers are found only in
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connective tissue
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mesenchyme
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embryonic connective tissue. PLURIpotential
lots of gound sub, few fibers, spindle shaped |
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mucous
found only? |
embryonic tissue, cells are more separated with firmer ground substance
in the umbilical cord |
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CT proper
also called ___ tissue. It's the most ___ CT. lots of ___, few ___. |
areolar, cellular. ground substance, fibers
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dense regular, where found in eye?
dense irregular, where found? |
cornea
reticular layer of dermis, sclera |
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reticular fibers
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smallest in diameter, unbranched,
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collagen fibers - describe
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largest in diameter, most abundant, unbranched
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collagen fibers made of what?
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collagen fibrils, which are made of tropocollagen, which is made up of a triple helix of glycoprotein.
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describe collagen fibers type 1 - 4
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1. most abundant, supplies tensile strength
2. resists compression, eye and cartilage 3. forms reticular fibers 4. non-fibrillar, |
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reticular fibers
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smallest diameter, unbranched, does not stain with H and E
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loose CT locations
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iris stroma, stroma of ciliary body processes, CT of bulbar conjuctiva, CT of palpebral conjuctiva
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vitamin C is key in the
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formation of collagen
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if something looks wavy it's probably
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elastic fibers
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in Marfan's syndrome, the (eye)__
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lens is not held where it's supposed to be
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reticular fibers need a special stain, and stain
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black
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ground substance is generally composed of
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proteoglycans ( mostly carbohydrate)
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function of ground substance
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resists compression ( water - non-compressible )
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Cells, Fixed? vs Wandering.
how can you ID mast cells? |
fibroblasts, macrophages, adipose cells, mast cells are fixed. mast have granules
wandering (transient) - plasma cells |
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main CT cell?
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fibroblasts
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usually, you don't see the ___ of fibroblasts, you just see___
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the cytoplasm, dense elongated nucleus
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proteoglycan
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non water molecule in ground substance
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GAG
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glycosaminoglycan, hdrophilic because of the amino ( neg charge)
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how do neg charges on gag help?
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makes them stand straight up and organize whater inside them
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mast cells AKA
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nutrition cells
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