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Ch. 2 med terms
Term | Definition |
---|---|
anatomic position | standing up straight so that the body is erect & facing forward holding the arms at the sides with hands turned so that the palms face toward the front |
sagittal plane | is a vertical plane that divides the body into UNEQUAL left & right portions |
midsagittal plane (midline) | is the sagittal plane that divides the body into EQUAL left & right portions |
frontal plane ( coronal plane) | is a vertical plane that divides the body into ANTERIOR (front) & POSTRIOR (back) portions |
transverse plane | is a horizontal plane that divides the body into SUPERIOR (upper) & INFERIOR (lower) portions |
ventral | refers to the front, or belly side, of the organ or body |
*DORSAL | refers to the back of the organ or body |
anterior | situated in the front |
posterior | situated in the back |
superior | uppermost, above, or towards the head |
inferior | lowermost, below, or towards the feet |
cephalic | towards the head |
caudal | towards the lower part of the body |
proximal | situated nearest the midline or beginning of a body structure |
distal | situated farthest from the midline or beginning of the body structure |
medial | the direction towards or near the midline |
lateral | the direction towards, or nearer, the side of the body, away from the midline |
dorsal cavity | located along the back of the body & head, contains organs of the nervous system |
cranial cavity | located within the skull, surrounds & protects the brain |
spinal cavity | located within the spinal column, surrounds & protects the spinal cord |
ventral cavity | located along the front of the body, contains the body organs that sustain homeostasis |
right & left hypochondriac region | are covered by the lower ribs |
RUQ | right upper quadrant |
LUQ | left upper quadrant |
RLQ | right lower quadrant |
LLQ | left lower quadrant |
aplasia | is the defective development, or the congenital absence, of an organ or tissue |
hypoplasia | is the incomplete development of an organ or tissue usually due to a deficiency in the number of cells |
anaplasia | is a change in the structure of cells & in their orientation to each other |
hyperplasia | is the enlargement of an organ or tissue because of an abnormal increase in the number of cells in the tissues |
exocrine glands | secrete chemical substances into ducts that lead either to other organs or out of the body, such as sweat glands |
*ENDOCRINE GLADS | produce hormones, do not have ducts these hormones are secreted directly into the bloodstream, & are then transported to organs & structures throughout the body |
adenitis | is the inflammation of a gland |
adenoma | is a benign tumor that arises in or resembles glandular tissue |
adenomalacia | is the abnormal softening of a gland |
adenosis | is any disease or condition of a gland |
*ADENOSCLEROSIS | is the abnormal hardening of a gland |
*ADENECTOMY | is the surgical removal of a gland |
*ETIOLOGY | is the study of the causes of diseases |
*PATHOGEN | is a disease-producing microorganism such as a virus |
bloodborne transmission | the spread of a disease through contact with blood or other body fluids that are contaminated with blood. example:HIV, hepatitis B & most STDs |
airborne transmission | occurs through contact with contaminated respiratory droplets spread by a cough or sneeze examples: tuberculosis, flu, colds & measles |
endemic | refers to the ongoing presence of a disease within a population, group or area example: the common cold |
*EPIDEMIC | is a sudden & wide spread outbreak of a disease within a specific population group or area example: a sudden widespread outbreak of measles |
*SKELETAL system | supports & shapes the body. Protects the internal organs. Forms some blood cells & stores minerals |
pandemic | refers to an outbreak of a disease occurring over a large geographic area, possibly worldwide |
nosocomial infection | is a disease acquired in a hospital or clinical setting example: MRSA |
atresia | describes the congenital absence of a normal body opening or the failure of a structure to be tubular |
general practitioner | family practice, provides ongoing care for patients of all ages |
geriatrician | is a physician who specializes in the care of older people |