Term
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Definition
1. Movement
2. Conductivity
3. Metabolic Absorption
4.reproduction
5.Secretion
6. Excretion
7. Respiration
8 Communication |
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Term
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Definition
-Control Center
-Contains DNA
-Functions in cell division and control of genetic info |
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Term
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Definition
| devoted to energy production |
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Term
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Definition
| site of protein sysnthesis |
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Term
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Definition
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Term
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Definition
| wraps cell products for secretion or storage within the cell |
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Term
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Definition
| synthesis of protein and lipid components of organelles |
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Term
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Definition
-gives the cell shape
-attaches one cell to another
-controls movement from one compartment to another
-cell to cell recognition |
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Term
| Functions of Plasma Membrane |
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Definition
-Structure
-Protection
-Activation of cell
-Transport |
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Term
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Definition
-outer surface dimpled with cavelike indentions called caveolae
-major chemical components of all membranes are lipids and proteins |
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Term
| Proteins of Plasma Membranes |
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Definition
-Integral membrane proteins are embedded int he lipid bilayer
-peripheral membrane proteins reside at one surface or the other
-membran functions determined by proteins |
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Term
| Role of proteins in cellular membrane |
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Definition
-facilitate movement of substances in and out of cell
-transport channels for electrolytes
-Na/K pump
-Cell surface markers
-Cell adhesion
-Catalyst for chemical reactions |
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Term
| Carbohydrates in the Plasma Membrane |
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Definition
-found in the plasma membranes glycoprotein
-function in intracellular recognition needed for tissue formation |
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Term
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Definition
Protein molecules on the plasma membrane in the cytoplasm or in the nucleus
-can recognize and bind in specific smaller molecules called ligands |
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Term
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Definition
| -plasma membranes allow groups of cells to be held together to form tissues and organs |
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Term
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Definition
| intricate framework of fibrous proteins embedded in a watery gel like substance composed of complex CHO |
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Term
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Definition
| decrease in size but no loss in function |
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Term
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Definition
increase in size of cell and then organs
adaptive changes to increased stress |
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Term
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Definition
-increase in # of cells
-response to increase in demand
-not all cells are capable of this |
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Term
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Definition
| reversible replacement of one mature cell type by another cell type |
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Term
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Definition
-abnormal changes in size, shape, and organization of mature cells
-Not truly adaptive |
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Term
| Physical injury to cell: toxic |
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Definition
-lead posioning
-carbon monoxide
-ethanol
-social/street drugs |
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Term
| Manifestations of Cellular Injury |
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Definition
-injury causes degenerative changes within the cell
-reversible if stimulus is removed, lethal if not
-involved the cytoplasm |
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Term
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Definition
-noxious stimulus is severe or long lasting
-irreversible b/c cell is no longer able to compensate |
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Term
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Definition
-loss of function
-leaking enzymes
-focus of infection
-inflammatory response |
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Term
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Definition
-caused by ischemia
-most common type
-cells maintain outline for a time depending on lytic enzyme activity |
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Term
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Definition
-common ischemic injury to neurons and glial cells
-cells digested by their own enzymes, become soft, and liquified |
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Term
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Definition
dead cells disintegrate
debris not completely digested |
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Term
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Definition
-occurs in breast, pancreas, and abdominal area
-break down of triglycerides by lipaes relaeasing free fatty acids
-combine with Na, Ca, Mg ions creating soaps |
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Term
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Definition
-results from severe hypoxic injury
-superimposed growth of bacteria
-occurs when necrotic tissue is exposed to bacteria |
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Term
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Definition
-active process of cellular self destruction
-nuclear and cytoplasmic shrinkage of a cell followed by fragmentation into membrane bound fragments and subsequent phagocytosis |
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Term
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Definition
Irreversible and universal processes at the cellular and molecular level
-Cellular changes include atrophy, decreased function, and loss of cells |
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