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
name the cell type
macrophages
type I collagen
name the cell type
macrophages
fat in bone marrow
reticular CT
dense irregular CT
mast cell
name the cells
fibroblasts
dense irregular CT
dense regular connective tissue found in
tendons, ligaments, cornea, fascia
dermis, dense irregular CT
dense irregular CT found in
dermis, submucosa of GI
brown fat
white fat vs. brown fat characteristics
white fat: unilocular adipocytes, long term energy reserve, “signet rings”
brown fat: multilocular adipocytes, dissipate energy, mitochondria rich, numerous lipid deposits
name of macrophages in liver
kupffer cells
plasma cells
reticular CT
name the cell type
macrophages
structure of collagen?
three chain fibrous protein, form a triple helix braided coiled-coil for tensile strength
name of macrophages in bone
osteoclasts
collagen fibers of dense regular CT
where was this sample taken from
ligament, dense reg CT
dense irregular CT
Type II collagen tissues and characteristics
hyaline and elastic cartilage
thinner fibrils
fibrillar
elastic CT
Type III collagen tissues and characteristics
Reticular lamina of basement membranes
reticular fibers
fibrillar
which type of collagen
type III collagen
Type IV Collagen tissues and characteristics
basal lamina
does not form bundles
non-fibrillar
Type V Collagen tissues and characteristics
fetal amnion and chorion, muscle and tendon sheaths
does not form banded fibrils
fibrillar
white fat
where was this sample taken from
fascia, dense reg CT
name the dark purple cells
mast cells
where was this sample taken from
tendon, dense reg CT
Type I collagen tissues and characteristics
bone, tendon, dentin
banded fibers for tensile strength
fibrillar
loose connective tissue
