1Covers body surfaces and lines hollow organs, body cavities, ducts, and forms glands?
Epithelial tissue
2Functions of epithelial tissue
1. acting as a selective barrier, 2. secretory surface, and 3. protective surface?
3Free surface that faces the body surface, cavity, lumen, or duct and may contain cilia or microvilli?
Apical surface
4Surface that faces adjacent cells and may contain tight junctions, adherens junctions, desmosomes, or gap junctions?
Lateral surface
5Deepest layer of epithelial cells that adheres to extracellular materials such as the basement membrane?
Basal surface
6Thin extracellular layer consisting of basal lamina and reticular lamina?
Basement membrane
7Layer closer to epithelial cells that contains laminin, collagen, glycoproteins, and proteoglycans?
Basal lamina
8Layer closer to connective tissue that contains collagen produced by fibroblasts?
Reticular lamina
9Tissue that has its own nerve supply but lacks blood vessels?
Epithelial tissue
10Roles of epithelial tissue including protection, filtration, secretion, absorption, and excretion?
Functions in the body
11Type of epithelium that forms the outer covering of skin and inner lining of organs, vessels, ducts, and cavities?
Covering and lining epithelium
12Type of epithelium that makes up the secreting portion of glands?
Glandular epithelium
13Single layer of cells functioning in diffusion, osmosis, filtration, secretion, or absorption?
Simple epithelium
14Epithelium that appears multilayered because nuclei lie at different levels but not all cells reach the apical surface?
Pseudostratified epithelium
15Epithelium consisting of two or more layers that protect underlying tissues from wear and tear?
Stratified epithelium
16Thin and flat cells that allow rapid passage of substances?
Squamous cells
17Cells shaped like cubes or hexagons that function in secretion or absorption?
Cuboidal cells
18Tall cells that protect tissues and are often specialized for secretion and absorption?
Columnar cells
19Cells that change shape from squamous to cuboidal and back?
Transitional cells
20Stratified squamous epithelium with dead, hardened surface cells?
Keratinized
21Stratified squamous epithelium with surface cells that remain alive?
Nonkeratinized
22Secretion accomplished by glandular cells often lying in clusters deep to covering and lining epithelium?
Function of glandular epithelial tissue
23Cell or group of cells that secrete substances into ducts, onto a surface, or into the blood?
Gland
24Gland that secretes hormones into interstitial fluid and then directly into the bloodstream without a duct?
Endocrine gland
25Gland that secretes products into ducts that empty onto epithelial surfaces?
Exocrine gland
26Glands that have both endocrine and exocrine functions such as the pancreas, ovaries, and testes?
Mixed glands
27Single-celled gland that secretes mucous directly onto the apical surface?
Unicellular gland
28Many-celled gland forming a distinctive microscopic structure or organ?
Multicellular gland
29Gland with a duct that does not branch?
Simple gland
30Gland with a branching duct?
Compound gland
31Gland with tubular secretory parts?
Tubular gland
32Gland with rounded secretory portions?
Acinar/Alveolar gland
33Gland with both tubular and rounded secretory parts?
conpound Tubuloacinar gland
34Gland whose straight tubular secretory part attaches to a single unbranched duct?
Simple tubular gland
35Gland whose branched tubular secretory part attaches to a single unbranched duct?
Simple branched tubular gland
36Gland whose coiled tubular secretory part attaches to a single unbranched duct?
Simple coiled tubular gland
37Gland with a rounded secretory portion attached to a single unbranched duct?
Simple acinar gland
38Gland with branched rounded secretory parts attached to a single unbranched duct?
Simple branched acinar gland
39Compound gland with tubular secretory portions attached to a branched duct?
Compound tubular gland
40Compound gland with rounded secretory portions attached to a branched duct?
Compound acinar gland
41Compound gland with both tubular secretory portions attached to a branched duct?
Compound tubuloacinar gland
42Exocrine gland that releases secretions via exocytosis after processing in the Golgi complex?
Merocrine gland
43Exocrine gland that releases secretion when the apical portion of the cell pinches off?
Apocrine gland
44Exocrine gland whose mature cell ruptures to release the secretory product?
Holocrine gland