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Biology 1A Final
Flashcards for final
23
Biology
Undergraduate 2
05/10/2008

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Term
4 types of tissue
Definition
epithelial
muscular
connective
nervous
Term
simple epithelium
Definition
single layer of cells
Term
stratified epithelial
Definition
multiple layers of cells
Term
pseudostratified epithelium
Definition
single layer w/ appearance of multiple layers due to varying cell lengths
Term
cuboidal
Definition
cube like
Term
columnar
Definition
column like, or brick like
Term
squamous
Definition
flat like floor tiles
Term
stratified columnar epithelium
Definition
lines inner surface of urethra
Term
simple columnar epithelium
Definition
lines the intestines: secretes juices and absorbs nutrients
Term
pseudostratified ciliated columnar epithelium
Definition
mucous membrane
Term
simple squamous epithelium
Definition
thin and leaky: blood vessels
Term
stratified sqaumous epithelium
Definition
skin, regenerates quickly near basement membrane
Term
cuboidal epithelium
Definition
cells specialized for secretion: kidney tubules, and glands that secrete hormones
Term
connective tissue fibers
Definition
collagenous
elastic
reticular
Term
collagenous fibers
Definition
collagen, nonelastic, rope-like
Term
elastic fibers
Definition
elastin, long threads w/ rubbery quality
Term
reticular fibers
Definition
collagen, thin and branched, connected to collagenous fibers and forms a tightly woven fabric that joins tissue to adjacent tissue
Term
loose connective tissue
Definition
binds epithelia to underlying tissue, packing material to hold organs in place, loose weave of fibers, fibroblasts secrete fiber proteins
Term
adipose tissue
Definition
stores fat for insulation and fuel
Term
fibrous connective tissue
Definition
dense, large number of collagenous fibers in parallel bundles

tendons attach muscle to bone

ligaments attach bones at joints
Term
cartilage
Definition
chondrocytes surrounded by a matrix containing collagenous fibers embedded in chrondritin sulfate (rubbery texture, flexible support)
Term
bone
Definition
mineralized connective tissue

osteoblasts (bone-forming cells)

osteocytes (osteoblasts trapped in their secretions)
Term
blood
Definition
liquid matrix: plasma composed of water, salt and protein

erythrocytes are the red blood cells that carry oxygen
leukocytes are white blood cells that defend
platelets are cell fragments that function in clotting
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