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Breanna beebe
Anatomy week 1-5
| Term | Definition |
|---|---|
| Anatomy | Is defined as the study of the structure of an organism and the relationships of its parts. |
| Physiology | Is the science that deals with the functions of the living organisms and its parts. |
| Atoms | Are tiny spheres of matter they are small and invisible. |
| Mitochondria | Is the powerhouse of cells that provide energy needed by cells to carry on day to day functions, growth and repair. |
| Golgi apparatus | Is a set of sacs that provides a packaging service to cells by storing material for future internal use or export from the cell. |
| Endoplasmic-reticulum | Is a network of channels within the cell that act as highways for movement of chemical processing. |
| Organ | Is defined as a structure made up of several different kinds of tissues arranged so that, together they can preform a special function. |
| Axial | It consists of the head, neck, torso and trunk . |
| Appendicular | Consists of the upper and lower extremeties and their connection to the axial portions. |
| Homeostasis | Is the maintenance of relatively constant internal conditions despite changes in either the internal or the external environment. |
| Afferent | Its a signal traveling towards a particular center or point of reference. |
| Efferent | Is a signal moving away from a center or other point of reference. |
| Integrator | Is called the integration center or control center of the feed-back loop. It recieves input from a homeostatic sensor. |
| Effectors | Are the organs such as muscles or glands, that directly influence controlled physiological variables. |
| Elements | Can not be broken down or decomposed into two or more different substances. |
| Compounds | Are two or more elements joined to form chemical combinations. |
| Octet rule | Atoms with fewer that eight electrons in the outer energy level will attempt to lose, gain or share electrons with other atoms to acheive stability. |
| Isotopes | Is an element that contains the same number of protons but different numbers of neutrons. |
| Ionic bond | Is the strong electrostatic force that binds the positive and negative charged ions together in a crystal. |
| Covalent bond | Is a chemical bond formed by the sharing of one or more pairs of electrons between the outer energy levels of two atoms. |
| Decomposition reactions | Result in the breakdown of a complex substance into two or more simpler substances. |
| carbohydrates | Provide the primary source of chemical energy needed by every body cell. |
| Membranous organelles | Are sacs and canals made of the same type of membrane material as the plasma membrane. |
| Rafts | Are stiff groupings of membrane molecules that are rich in cholestrol that travel together. |
| Signal transduction | Is the process by which cells translate the signal recieved by a membrane receptor into a specific chemical change in the cell. |
| Cytoskeleton | Is the cells internal supporting framework. |
| Interphase | Is when the cell is not experiencing mitosis during th e growth phase between cell divisions. |
| Tissue | Is a group of simililar cells that perform a common function that forms the organs of the body and holds all the organs together as a whole. |
| Occipital bone | Creates the framwork of the lower posterior part of the skull. |
| Endosteum | Is a thin fibrous that lines the medullary cavity of the long bones. |
| Symphysis | Is a joint in which a pad or disk of fibrocartilage connects two bones. |
Created by:
bmbeebe
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