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Katherine Montes
Physiology wk 1-6
Term | Definition |
---|---|
What is negative feedback loop? | Reverses the change in a controlled condition. Example-elevated BP. |
What are prostaglandins? | Prostaglandins are lipids composed of 20 carbon unsaturated fatty acid that contain a 5 carbon ring |
What is facilitated diffusion? | Facilitated diffusion is the transport of substances across the membrane from higher concentration to an area of lower concentration |
What is transcription in regards to DNA? | Transcription is the process of copying a segment of DNA into RNA. |
What is basal lamina? | Bsal lamina is a thin, flat network of fibers secreted by the basal membrane of epithelial cells that remain connected to the cells |
What is lancunae? | Small spaces where osteocytes are located in bone tissue. |
What is the stratum basale? | Stratum basale is a single layer of colum-nar cells in this deepest stratum of the epithelium that undergo mitosis. |
What are osteocytes? | Osteocytes are mature, nondividing osteoblasts that have become surrounded by matrix and now lie within lacunae. |
What is the hyoid bone? | U-shaped bone in the neck between the mandible and upper part of the larynx; distinctive as the only bone in the body not forming a joint with any other bone; suspended by ligaments from the styloid processes of the temporal bones |
What is a symphysis? | A symphysis is a joint in which a pad or disk of fibrocartilage connects two bones. |