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38 Cards in this Set

  • Front
  • Back
t/f, endocrine & exocrine glands develop from epithelial tissue?
basement membrane consists of?
collagen IV
laminin (a protein)
what are proteoglycans?
carbohydrate-rich proteins
describe simple squamous epithelium.
-thin and flattened
-easily diffusible
-line alveoli of lungs & the blood vessels
describe simple cuboidal epithelium.
-single layer of cube-shaped cells
-line kidney tubules
-function in secretion & absorption
describe simple columnar epithelium.
-line the gut & the uterus
-protection, secretion, absorption
-microvilli & goblet cells
describe pseudostratified columnar epithelium.
-goblet cells, cilia
-in respiratory tubes
describe stratified squamous.
-may be keratinized
-bottom layer always dividing
-in mouth, throat, vagina, anal canal- not keratinized
describe transitional epithelium.
-lines urinary bladder & tract
-expandable lining to bladder
examples of exocrine glands
sweat & salivary glands
what are merocrine glands?
serous (watery secretions) or mucous (thick secretions) glands
holocrine glands?
secrete entire cells that then disintegrate to release products
apocrine glands
-secrete same as merocrine
what does connective tissue consist of?
cells in a matrix
what does matrix consist of?
fibers & ground substance
5 types of cells in connective tissue
white blood cells
mast cells
mast cells?
cytoplasm stuffed with histamine, heparin, & protease granules
produce substances used for signaling other cells
inflammatory response
phagocytic white blood cells
structure of collagenous fibers
-white fibers
-consist of 3 intertwined amino acid chains, where every 3rd is a glycine
elastic fiber structure?
yellow fibers made of elastin & fibrillin
ground substance
made of proteoglycans; bind water
loose (areolar) connective tissue
-under skin, between muscles
-made mainly of fibroblasts, collagen & elastic fibers
-has blood vessels
-elastic, some tensile strength
fat storing cells AKA adipocytes
beneath skin, around kidneys
cushion, insulate
white adipose tissue
stores energy as triglycerides
brown adipose tissue
thermogenic; regulates body temperature - important in infants
dense regular fibrous connective tissue
few cells
mainly collagen fibers
poor blood supply
found in tendons, ligaments
dense irregular fibrous connective tissue
mainly collagen fibers
"basket weave"
strength in all directions
poor blood supply
dermis, sheathes covering muscles & nerves, in the sclera of the eye
elastic connective tissue
yellow elastic fibers
walls of heart & major blood vessels; ligamenta flava between vertebrae
Marfan Syndrome
mutation in gene for fibrillin
abnormalities of connective tissue
reticular connective tissue
many fibroblasts
very thin collagen fibers
stroma of spleen, liver, lymph nodes
hyaline cartilage
rigid; very fine collagen fibers
ends of ones, nose, trachea
can be replaced by bone
elastic cartilage
more flexible
many elastic fibers
ears & larynx
fibrous cartilage
collagen fibers
shock absorber between bones (e.g. knee)
basic unit of compact bone
skeletal muscle
striated, unbranched, multinucleated, voluntary
smooth muscle
non-striated, unbranched, uninucleated, involuntary
cardiac muscle
striated, branched, uninucleated, involuntary
intercalated discs
intercellular junctions between cells in cardiac muscle