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Anatomy Stack #1
terms from wks 1-5
| Term | Definition |
|---|---|
| matrix | varying amounts and kinds of nonliving intercellular substances that surrounds tissue cells |
| levels of organization | organism>system>organ>tissue>cellular>organelle>chemical |
| catabolism | chemical reactions that break down complex compounds into simpler ones and release energy |
| neutralization reaction | a reaction between an acid and a base that forms a salt and H2O |
| fluid mosaic model | theory of plasma membrane composition in which molecules of the membrane are bound tightly enough to form a continuous layer but loosely enough so molecules can slip past one another |
| receptor | any molecule on the surface of a cell that binds specifically to other molecules, such as hormones or neurotransmitters |
| proteoglycan | large molecule made up of a protein strand that forms a backbone to which are attached man y carbohydrate molecules |
| epithelium | epithelial tissue; tissue type that covers body and its parts; lines various parts of the body; forms continuous sheets that contain no blood vessels; classified according to shape and arrangement of cells |
| medullary cavity | hollow area inside the diaphysis of the bone that contains yellow marrow |
| shoulder girdle | clavicle and scapula, which form the only bony attachment of the upper extremity to the trunk |