Chap 6 A&P BOCES
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Created by:
rebeccareighard on October 30, 2011
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49 terms
Terms | Definitions |
|---|---|
 Tissues | are groups of cells that are similar to each other in structure and function |
| Histology | The study of tissues |
| Epithelial(Epithelium) Tissue | forms large contiunuous sheets, line most inner cavities ie mouth, no blood supply of its own |
| Squamous Epithelium | cells are thin and flat like fish scales, found where substances move by rapid diffusion or filtration |
| Cuboidal Epithelium | cells are cubelike and look like dice, functions in the transport and secretion of various substances |
| Columnar Epithelium | tall and narrow and look like columns, entire length of digestive tract, plays major role in absorption of products |
| Simple Epithelium | A single layer of cells, concerned with movement/transport various substances across membranes |
| Stratified Epithelium | two or more layers of cells |
| Goblet Cells | Modified columnar cells where lubricating mucus is produced |
| Pseudostratified Columnar Epithelium | a single layer of columnar cells, so irregularly shaped they appear multilayered |
| Stratified Epithelia | multilayered and stronger, protective function and found in tissue exposed to everyday wear and tear ie mouth, esophagus and skin |
| Transitional Epithelium | found primarily in organs that need to stretch such as the bladder |
| Gland | made up of one or more cells that secret and particular substance |
| Exocrine Glands | have ducts into which the exocrine secretions are released before reaching body surfaces |
| Endocrine Glands | secret hormones such as insulin, ductless glands, secreted directly into the blood |
| Connective Tissue | the most abundant and is widely distributed throughtout the body, binds together the parts of the body |
| Loose Connective Tissue | contains fibers that are loosely arranged around cells ie adipose tissue, areolar tissue |
| Areolar Tissue | made of collagen and elastin fibers in a gel like intercellular matrix |
| Adipose Tissue | or fat, is a loose connective tissue composed primarily of adipocytes |
| Dense fibrous connective tissue | composed of fibroblasts and an intracellular matrix that contains many collagen and elastic fibers |
| Collagen | the main type of fiber in dense fibrous tissue ie tendons, ligaments, capsules |
| Tendons | cordlike structures composed of dense fibrous tissue that attach muscle to bone |
| Ligaments | dense fibrous connective tissue that cross joints and attach bones to each other |
| Capsules | dense fiber forms these around certain organs such as the kidneys and liver |
| Fascia | dense fibrous tissue forms bands or sheets called______, covers muscle, blood vesseals, and nerves |
| Cartilage | is formed by chondroblasts that eventually mature into chondrocytes or cartilage cells |
| Perichondrium | a layer of connective tissue that carries blood vessels to the cartilage |
| Osseous Tissue | bone tissue |
| Osteoblasts | immature bone cells, secrete an intercellular matrix that includes collagen, calcium salts and other minerals |
| Neurons | are nerve cells that transmit electrical signals to and from the brain and spinal cord |
| Neuroglia | are cells that support and take care of the neurons |
| "glial" | means gluelike and refers to the ability of these cells to support or stick together |
| Muscle Tissue | is composed of cells that shorten or contract, cause movement of a body part |
| Skeletal Muscle | attached to bone, moves the skeleton, maintains posture, stabalize joints |
| Smooth muscle aka Visceral muscle | generally found in the walls of the organs, function is related to where it's found |
| Cardiac Muscle | found only in the heart |
| Keloid Scars | develop most often on the upper trunk and earlobes |
| Membranes | thin sheets of tissue that cover surfaces, line body cavities and surround organs |
| Epithelium Membranes | include the cutaneous membrane (skin), mucous membranes and serous membranes |
| Cutaneous Membrane | is the skin, is stratified squamous epithelium |
| Dermis | is composed of fibrous connective tissue |
| Mucous Membranes | line all body cavities that open to the exterior of the body, digestive, urinary, resp |
| Serous Membranes | line the ventral body cavities which are not open to the exterior of the body, secrete a thin, watery, serous fluid |
| Parietal Layer | the part of the membrane that lines the walls of the cavity |
| Visceral Layer | membrane that covers the outside of an organ |
| Pleurae | found in the thorasic cavity, lining the walls, the visceral pleura cover each lung |
| Pericardium | found in the thorasic cavity and partially surrounds the heart, sling like support to the heart |
| Peritoneum | found within the abdominal cavity, lines it's walls, visceral peritoneum covers the abdominal organs |
| Peritonitis | leakage that causes a life threatening infection |
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