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50 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Tissues |
Cells of similar type & function clustered together |
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Epithelial Tissue |
Covers and lines |
Skin |
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Connective Tissue |
Provides support |
Bone & blood |
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Muscle Tissue |
Enables movement |
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Nervous Tissue |
Controls work |
Whole body |
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Histology |
Microscopic study of tissues |
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Epithelial Tissue |
Sheets of cells that cover and line other tissues |
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Apical surface |
Surface facing the lumen or body cavity |
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Basal surface |
Surface facing the underlying connective tissue |
Basement membrane |
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Avascular |
No blood supply of their own. Relies on the underlying connective tissue for nutrients & oxygen |
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Tight Junctions |
Formed by fusion of outermost layers of plasma membranes of adjoining cells |
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Desmosomes |
Velcro like substance that connects plasma membranes of adjacent cells |
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Gap Junctions |
Cells linked by tubular channel proteins |
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Basement Membranes |
Foundation of the epithelial cells that cements cells to underlying tissues |
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Microvilli |
Multi-finger -like projections that increase surface area of cells involved in absorption/secretion |
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Cilia |
Sheets of tiny hairs that propel liquids across the cell surface |
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Keratin |
Protective waterproof substance that fills epithelial cells of the outer layers of the skin |
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Simple |
1 layer of cells |
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Stratified |
More than 1 layer of cells |
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Squamous |
Squishy |
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Cuboidal |
Cubed |
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Columnar |
Columned |
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Simple Squamous Epithelium |
1 layer of squishy cells found lining surfaces involved in the passage of either gas or liquid |
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Mesothelium |
Lining of the chest (pleura), abdomen (peritoneum) & pericardial cavities |
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Endothelium |
Lining of the blood vessels |
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Simple Columnar Epithelium |
1 layer of columned cells that lines the entire G.I. tract |
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Stratified Squamous Epithelium |
Multi-layered & occurs in areas of the body subject to mechanical & chemical stresses |
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Pseudostratified |
Layer is NOT true stratified |
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Transitional |
Leak proof membrane found in regions required to expand and contract |
Urethra, ureters & bladder |
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Glands |
Cell or group of cells that manufacture & discharge a secretion |
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Exocrine |
Discharge secretions directly into local areas |
Possess ducts |
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Endocrine |
Produce and secrete hormones into the bloodstream or lymphatic system |
Has no ducts or tubules |
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Unicellular |
Secretes mucin |
Example: Goblet cell |
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Multicellular |
Composed of a secretory unit & a duct |
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Merocrine |
Secretory cells remain intact |
"Merry & happy" |
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Apocrine |
Top part of cell is released into the duct system |
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Holocrine |
Entire cell is destroyed in the act of releasing its product |
Whole thing |
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Connective Tissue |
Most abundant by weight |
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Fixed cell |
Remains in the connective tissue |
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Transient cell |
Passes in & out of connective tissue |
Diapedesis |
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Adipose tissue |
Fat |
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Cartilage |
Framework for bone formation, located in the joints, ear, nose & vocal cords |
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Bone |
Hardest & most rigid type of connective tissue |
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Mucous Membrane |
Lines organs with connections to the outside environment |
Oral cavity, nasal cavity & gums |
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Serous Membrane |
Lines walls & cover organs that fill closed body cavities |
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Cutaneous |
Organ always exposed to outside environment |
Skin |
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Synovial |
Lines the cavities of joints |
No epithelium |
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Skeletal Muscle |
Striated & voluntary |
Only type of voluntary muscle |
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Smooth |
Non-striated & involuntary. Found in the walls of hollow organs |
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Cardiac |
Only found in the heart. Striated & voluntary |
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