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| Specialized structure within a cell |
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| only certain items get to pass through |
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| The building blocks of living organisms |
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| the intermingling of substances by the natural movement of the particles |
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| a mesothelial tissue that lines certain internal cavities of the body, forming a smooth, transparent, two-layered membrane lubricated by a fluid derived from serum. The peritoneum, pericardium, and pleura are serous membranes. |
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| a column-shaped cell found in the respiratory and intestinal tracts, which secretes the main component of mucus. |
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| giving the false appearance of many layers |
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| a short, microscopic, hairlike vibrating structure. Cilia occur in large numbers on the surface of certain cells, either causing currents in the surrounding fluid, or, in some protozoans and other small organisms, providing propulsion. |
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| a change of an atom, nucleus, electron, etc., from one quantum state to another, with emission or absorption of radiation. |
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| Epithelium is simplest type of tissue in human body. Glandular epithelium is type of epithelium tissue responsible for formation of glands. |
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| of, relating to, or denoting glands that secrete hormones or other products directly into the blood : the endocrine system. |
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| relating to or denoting glands that secrete their products through ducts opening onto an epithelium rather than directly into the bloodstream. Often contrasted with endocrine . |
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| provide (a tissue or structure) with vessels, esp. blood vessels |
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| non-living substance outside of the cell |
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| Osseous: Having to do with the bone, consisting of bone, or resembling bone. |
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| having a glassy, translucent appearance |
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| a cavity or depression, esp. in bone |
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| a cell in connective tissue that produces collagen and other fibers. |
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| a flexible but inelastic cord of strong fibrous collagen tissue attaching a muscle to a bone |
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| a short band of tough, flexible, fibrous connective tissue that connects two bones or cartilages or holds together a joint. |
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| a small circular area, in particular the ring of pigmented skin surrounding a nipple |
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| a condition characterized by an excess of watery fluid collecting in the cavities or tissues of the body |
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| a type of cell within the body capable of engulfing and absorbing bacteria and other small cells and particles. |
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| the enlargement of an organ or tissue caused by an increase in the reproduction rate of its cells, often as an initial stage in the development of cancer. |
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| the formation or presence of a new, abnormal growth of tissue |
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| a process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane. |
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| the taking in of matter by a living cell by invagination of its membrane to form a vacuole. |
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Biology having a higher osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid.
• Physiology of or in a state of abnormally high muscle tone. |
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• Biology having a lower osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid.
• Physiology of or in a state of abnormally low muscle tone |
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taking place with normal contraction.
2 denoting or relating to a solution having the same osmotic pressure as some other solution, esp. one in a cell or a body fluid.
• (of a drink) containing essential salts and minerals in the same concentration as in the body and intended to replace those lost as a result of sweating during vigorous exercise. |
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| the thin tissue forming the outer layer of a body's surface and lining the alimentary canal and other hollow structures. |
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| formed with the tip of the tongue. |
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| characterized by or associated with a lack of blood vessels. |
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| a process in which substances are transported across cell membranes; also called facilitated transport |
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| he diffusion of fluids through membranes or porous partitions. Compare endosmosis, exosmosis. |
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| the movement of ions or molecules across a cellular membrane from a lower to a higher concentration, requiring the consumption of energy. |
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| transport of a substance across a cell membrane by diffusion; expenditure of energy is not required |
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