A&P - Chap 4 Word Scramble
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Question | Answer |
tissue | groups of associated cells that have the same function |
epithelial tissue, epithelium (2 types) | covering/lining epithelium, glandular epithelium |
5 functions of epithelium | protection, absorption, filtration, excretion, secretion |
apical surface | free surface exposed to the body exterior or the cavity of an internal organ |
does epithelium contain blood vessels? | NO (receives nutrients by diffusion) |
basal surface is opposite of? lies on what? | apical, basal lamina |
basal lamina | separates epithelium from underlying connective tissue |
reticular lamina | connective tissue below the basal lamina |
basement membrane is what two? | basal lamina + reticular lamina |
simple epithelia (definition and 2 functions) | composed of single layer of cells, absorption and filtration |
stratified epithelia (definition and 1 function) | composed of multiple stacked cell layers, protects against abrasion |
squamous | flattened and scale-like |
cuboidal | as tall as they are wide |
columnar | tall and column shaped |
endothelium | slick, friction reducing lining in lymphatic vessels and blood vessels and heart |
mesothelium | found in serous membranes lining the ventral body cavity and its organs |
the epidermis of the skin is | keratinized |
gland | one or more cells that make and secrete a particular product |
do endocrine glands have ducts? | NO |
endocrine glands produce what? | hormones |
exocrine glands have ducts? | yes |
exocrine glands secrete their products where? | body surfaces or into body cavities |
mucin dissolves in water and forms? | mucus |
merocrine glands secrete how? | by exocytosis |
holocrine glands secrete how? | entire cell ruptures releasing secretions and dead cell fragments |
apocrine glands secrete how? | apex of each cell pinches off and releases secretions |
3 examples of merocrine glands? | sweat, salivary, pancreas |
1 example of holocrine? | oil glands |
1 example of apocrine? | mammary glands |
4 functions of connective tissue? | binding/support, protection, insulation, transportation |
connective tissue has what kind of matrix? | extracellular matrix, separates the living cells of the tissue |
what is ground substance of connective tissue? composed of 2 things? | unstructured material that fills space between cells and contains fibers, contains interstitial fluid and proteoglycans |
3 types of fibers? | collagen, elastic, reticular |
collagen fibers | provide high tensile strength |
elastic fibers | provide extension and recoiling |
fibroblasts are in what tissue? | connective |
chondroblasts are in what tissue? | cartilage |
osteoblasts are in what tissue? | bone |
hemocytoblasts are in what tissue? | blood |
what do blasts do? | synthesize the matrix and and the fibers of the matrix |
blasts turn mature and are called? | cytes |
2 subgroups of connective tissue? | loose connective tissue, dense connective tissue |
3 loose connective tissues? | areolar, adipose, reticular |
3 dense connective tissues? | dense regular, dense irregular, elastic |
areolar | membranes |
adipose | fat |
reticular | lymph, spleen |
dense regular | tendons, ligaments |
dense irregular | joint capsules |
elastic connective tissue | aorta, trachea, vocal cords |
3 types of cartilage | hyaline, elastic cartilage, fibrocartilage |
hyaline | ribs |
elastic cartilage | ear |
fibrocartilage | intervertebral discs |
osseous tissue | bone |
mucous membranes are underlied by what? | lamina propria |
intercalated discs | junctions that fit cardiac muscle cells together |
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