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| 6101787486 | related cells that live and work together in cell communities | tissues | 0 | |
| 6101794885 | four main functions of epithelial tissues | 1. protection 2. absorption 3. sensation 4. secretion | 1 | |
| 6101799139 | main function: protection | from bacteria | 2 | |
| 6101801677 | main function: absorption | substances entering/ leaving must cross an epithelium | 3 | |
| 6101804945 | main function: sensation | provide information about external environment | 4 | |
| 6101806773 | main function: secretion | secretes various substances | 5 | |
| 6101813822 | main characteristics: cellularity | mostly sheets of cells | 6 | |
| 6101819971 | main characteristics: specialized contacts | holds cells together(cell junction) | 7 | |
| 6101823042 | main characteristic: polarity | apical and basical surfaces | 8 | |
| 6101827820 | main characteristic: attachment | base of epithelium attached to basal lamina (composed of proteins) | 9 | |
| 6101834441 | main characteristic: avascular | no blood vessels | 10 | |
| 6101836888 | main characteristic; regeneration | cell division | 11 | |
| 6101841324 | impermeable junctions prevent molecules from passing the intercellular space | tight junction | 12 | |
| 6101846381 | bind adjacent cells together and help form an internal tension- reducing network of fibers | desmosomes | 13 | |
| 6101849665 | communicating allow ions and small molecules to pass from 1 cell to the next | gap junctions | 14 | |
| 6101856085 | border of epithelial and connective tissue, composed of proteins | basal lamina | 15 | |
| 6101859911 | ______ are deep to the basal lamina from connective tissue | reticular fibers | 16 | |
| 6101864327 | includes the basal lamina and the reticular fibers (reticular lamina) | basement membrane | 17 | |
| 6101867123 | allows movement of substances over the cells | cilia | 18 | |
| 6101870238 | allows absorption of substances into cell, folds are to increase surface area | microvilli | 19 | |
| 6101871963 | specialized secretions | glands | 20 | |
| 6101877117 | lack ducts, secrete directly into tissue fluid that surrounds them, release hormone into blood | endocrine | 21 | |
| 6101883559 | have ducts, secretes products onto body surfaces(skin) or into body cavities(digestive tube) | exocrine | 22 | |
| 6101883560 | the pancreas includes | both endocrine and exocrine | 23 | |
| 6101893334 | simplest of the epithelia, allows passage of materials by diffusion in the lungs | simple squamous | 24 | |
| 6101899344 | thick membrane composed of several cell layers, protects underlying tissues in areas subjected to abrasion in the skin | stratified squamous | 25 | |
| 6101907433 | single layer of cube like cells with large spherical central nuclei, secretion and absorption in the kidneys | simple cuboidal | 26 | |
| 6101912717 | single layer of tall cells with round oval nuclei, absorption in the digestive tract | simple columnar | 27 | |
| 6101925271 | single layer of cells at different heights some not reaching free surface, secrete substance particularly mucus, propulsion of mucus by ciliary action in the trachea | pseudostratified columnar | 28 | |
| 6101935657 | resembles both stratified squamous and stratified cuboidal, stretches readily and permits distension of urinary organ by contained urine in the urinary bladder | transitional | 29 |
