EBR EMS Chapter 1 Definitions
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| abdominopelvic quadrants | health professionals divide the abdomen into four areas to help locate specific organs | ||||
| abdominopelvic regions | anatomists have divided the abdomen into nine regions to identify the location of organs | ||||
| anatomical position | the reference position for the body, which gives meaning to directional terms | ||||
| anatomy | the study of the structure of an organism and the relationships of its parts | ||||
| appendicular | refers to the upper and lower extremeties | ||||
| atrophy | wasting away of tissue | ||||
| axial | refers to the head, neck, and torso | ||||
| abdominal cavity | single cavity containing the abdominal and pelvic organs | ||||
| cranial cavity | space inside the skull that contains the brain | ||||
| dorsal cavity | includes the cranial and spinal cavity | ||||
| mediastinum cavity | a subdivision in the midportion of the thoracic cavity | ||||
| pelvic cavity | the lower portion of the ventral cavity | ||||
| pleural cavity | a subdivision of the thoracic cavity | ||||
| spinal cavity | the space inside the spinal column through which the spinal cord passes | ||||
| thoracic cavity | pertaining to the chest area of the body | ||||
| ventral cavity | organ containing space in the anteroir trunk of the body that includes the thoracic and abdominopelvic cavities | ||||
| control center | |||||
| diaphragm | membrane or partition that seperates the thoracic and abdominal cavities | ||||
| superior | higher | ||||
| inferior | lower | ||||
| anterior | front | ||||
| posterior | back | ||||
| ventral | front | ||||
| dorsal | back | ||||
| medial | toward the midline of the body | ||||
| lateral | further from the midline of the body | ||||
| proximal | located nearest the center of the body | ||||
| distal | toward the end of a structure | ||||
| superficial | toward the surface of the body | ||||
| deep | farther away from the body's surface | ||||
| dissection | cutting technique used to seperate body parts for study | ||||
| effector | responding organ | ||||
| experimentation | performing an experiment | ||||
| feedback loop | a complex control network classified into positive and negative | ||||
| homeostasis | relative uniformity of the normal body's internal environment | ||||
| hypothesis | a proposed explaination of an observed phenomenon | ||||
| negative feedback loop | control system where information feeding back to the control center causes the level of a variable to be changed in the direction opposite to that of the initial stimulus | ||||
| chemical | the simplest structure in a living organism | ||||
| cellular | the smallest living unit in an organism | ||||
| tissue | group of similar cells that perform a common function | ||||
| organ | group of several tissue types that performs a special function | ||||
| system | group of organs arranged so that the group can perform a more complex function than any one organ can perform alone | ||||
| physiology | the study of body function | ||||
| sagittal | a plane that divides the body into right and left halves longitudinally | ||||
| midsagittal | a cut or plane that divides the body or any of its parts into two EQUAL halves | ||||
| frontal | lengthwise plane running from side to side, dividing the body into anterior and posterior portions | ||||
| transverse | a plane that divides the body into upper and lower halves | ||||
| positive feedback loop | a control system that feeds back information to the control center causes the level of a variable to be pushed further in the direction of the original deviation | ||||
| prone | lying face down | ||||
| scientific method | any logical and systematic approach to discovering principles of nature, often involving testing | ||||
| sensor | responding sensor in a feedback loop | ||||
| supine | lying face up | ||||
| theory | an explaination of a scientific principle that has been tested experimentally and found to be true | ||||
| law | a scientific law is a theory, or explaination of a scientific principle, with an extraordinarily high degree of acceptance |
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Created by:
hjkruse
on 2009-04-02