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Anatomy 1
Term/ Definition
| Term | Definition |
|---|---|
| • Anatomical position | a standardized reference posture used in anatomy and medicine to describe the location of body structures. |
| • Homeostasis | the process by which living organisms maintain a stable internal environment, such as body temperature and blood sugar, despite changes in their external surroundings |
| • Nucleic acids | macromolecules essential for life, with the two main types being DNA and RNA. It store and transmit genetic information, with DNA acting as the blueprint and RNA playing a key role in protein synthesis. |
| • Plasma membrane | is a semi-permeable barrier that surrounds all cells, separating the interior from the environment and regulating the transport of substances. |
| • Osmosis | is the movement of a solvent, typically water, through a semipermeable membrane from an area of low solute concentration to an area of high solute concentration. |
| • Meiosis | is a specialized cell division that reduces the chromosome number by half, producing four genetically distinct haploid cells (gametes) from a single diploid cell. |
| • Epithelial tissue | is a type of body tissue that forms continuous sheets of cells covering all internal and external body surfaces and lining cavities and organs. |
| • Epithelium | the thin tissue forming the outer layer of a body's surface and lining the alimentary canal and other hollow structures. |
| • Hypodermis | is the deepest layer of the skin that attaches to underlying muscles and bones. |
| • Skeletal system | is the body's framework of bones, cartilage, and ligaments that provides support, protects organs, enables movement, and stores minerals. |