| PACS | patient care and services; picture archiving and communication system |
|---|---|
| PAD | pain and distress; patient surface axis depth; percutaneous abscess drainage; percutaneous automated... |
| PERRLA | pupils equal, round, and reactive to light and accommodation |
| PMA | index of prevalence and severity of gingivitis, where P = papillary gingiva, M = marginal gingiva, a... |
| P&R | pelvic and rectal [examination]; pulse and respiration |
| protoveratrine A and B | A mixture of two alkaloids isolated from Veratrum album; they exert their main effect upon the cardiovascular system through the carotid sinus receptors and vagal sensory endings in the heart; they cause vasodilation and are thought to bring about a redistribution to all vascular beds and thus to induce a fall in blood pressure; used in certain forms of hypertension; the maleates have the same actions. (05 Mar 2000) |
|---|---|
| psychological phenomena and processes | Mechanisms and underlying psychological principles of mental processes and their applications. (12 Dec 1998) |
| hoof-and-mouth disease | An obsolete term for foot-and-mouth disease. (05 Mar 2000) |
| hormones, hormone substitutes, and hormone antagonists | A collective grouping for both naturally occurring and synthetic hormones, substitutes, and antagonists. (12 Dec 1998) |
| sensitivity and specificity | Measures for assessing the results of diagnostic and screening tests. Sensitivity represents the proportion of truly diseased persons in a screened population who are identified as being diseased by the test. It is a measure of the probability of correctly diagnosing a condition. Specificity is the proportion of truly nondiseased persons who are so identified by the screening test. It is a measure of the probability of correctly identifying a nondiseased person. (12 Dec 1998) |
| hospital design and construction | The architecture, functional design, and construction of hospitals. (12 Dec 1998) |
| Hunter and Driffield curve | Sensitometric curve of radiographic film, a plot of the film density versus the logarithm of the relative exposure. Synonym: H and D curve, Hunter and Driffield curve. (05 Mar 2000) |
| sexual and gender disorders | Mental disorders related to sexual dysfunction, paraphillias, and gender identity disorders. (12 Dec 1998) |
| sheath of Key and Retzius | <anatomy> The delicate bands of connective tissue among nerve fibres. Origin: NL, fr. Gr. Within + a sinew, nerve. Source: Websters Dictionary (01 Mar 1998) |
| hydroxymethyl and formyl transferases | <enzyme> Enzymes that catalyze the transfer of hydroxymethyl or formyl groups. Registry number: EC 2.1.2 (12 Dec 1998) |
| short limbs and osteopenia | <radiology> Osteogenesis imperfecta, hypophosphatasia (12 Dec 1998) |
| signs and symptoms | Objective evidence of disease perceptible to the examining physician (sign) and subjective evidence of disease perceived by the patient (symptom). (12 Dec 1998) |
| signs and symptoms, digestive | Digestive system manifestations of diseases of the gastrointestinal system or of other organs. (12 Dec 1998) |
| signs and symptoms, respiratory | Respiratory system manifestations of diseases of the respiratory tract or of other organs. (12 Dec 1998) |
| skin and connective tissue diseases | A collective term for diseases of the skin and its appendages and of connective tissue. (12 Dec 1998) |