Connective Tissue Flashcards
what are reticular fibers/what produces them
thin, branched structures typically found in lymphatic tissue
produced by fibroblasts (reticular cells)
fibrocye nuclei of dense regular CT
type II collagen
Embryonic CT
umbilical cord, pulp of developing teeth rich in ECM and mesenchymal cells Wharton’s Jelly
name the cell type
plasma cells
loose CT is found
mucosa/subucosa of various organs, surrounding blood vessels, nerves, muscles
Tunica adventitia of BV
label
left down: collagen fibers, elastic fibers, mast cells, ground substance
right arrow: fibroblasts
label arrows
blue: elastin
purple: fibrillin
elastic fibers are formed by
fibroblasts (in skin and tendons), chondroblasts (in elastic cartilage) and smooth muscle cells (in blood vessels and the respiratory tract)
where was this sample taken from
cornea, dense reg CT
where was this sample taken from/what type of CT
tunica adventitia of the aorta, elastic CT
type IV collagen
mast cell granules contain
histamine, heparin, chemotactic mediators
ECM components
glycoaminoglycans, proteoglycans, aggregates, hyaluronan, adhesive proteins (laminin, fibronectin, integrins)
nidogen, perlecan, laminen, tIVcollagen, integrin
collagen
elastic fibers typically found
walls of large BV and ligaments
form discontinuous lamellae around the lumen
loose CT
elastic fibers are made of _____ and ______
elastin and fibrillin
what type of fibers?
elastic
name of macrophages in CNS
microglial cells
dense irregular CT
plasma cell characteristics
well developed rER, golgi, nucleolus
“Cartwheel” nucleus