click below
click below
Normal Size Small Size show me how
A&P I : chapter 4
| Term | Definition |
|---|---|
| epithelia | lines inside, covers outside |
| functions of epithelial tissue & characteristics... | provide protection controls permeability provide sensation produces specialized secretions (Glandular Epithelium) |
| cellularity | cell junctions |
| polarity | apical and basolateral surfaces top and bottom |
| attachment | basement membrane |
| avascularity | no blood supply |
| regeneration | cells divide to replace those lost or damaged |
| cell junctions | tight junc , waterproof gap junc, opening between two cells so they can communicate and exchange desmosomes, makes sure cell is firmly attached - strongpoint |
| connexon | tunnel in a gap junction how heart cells communicate w one another |
| lumen ! | technically still out of your body because its an empty tube that can always come out |
| exocrine | comes out of body , even if it goes into lumen all use ducts ! |
| endocrine | IN the body release hormones that enter bloodstream |
| mero | watery like sweat |
| apo | mother's milk & smelly sweat |
| holo | whole cell = oil |
| blast | builders young ones |
| cyte | adults maintain environment |
| clasts | breakers |
| fibroblasts: | reticular = stroma, net collagen = strongest, thickest elasting = stretchs, thin |
| 2 types of adipose tissue: | white fat - most common, stores as fat, absorbs shocks and insulates brown fat - many mitochondria, breakdowns lipids releases energy and warms body, found in infants, young children and hibernating bears |
| dense regular | tendon, organized, one direction |
| dense irregular | disorganized |
| Fascia | work your way from the outside to the inside connective tissue layers and wrappings that support or surround organs 1- superficial fascia, separates skin from underlying tissues 2- deep fascia, sheets of dense regular connective tissue 3- |
| lymph | forms interstatial fluid that enders lymphatic vessels cleans 10% of your blood at all times |
| cartilage | chondrocytes |