| PA | panic attack; pantothenic acid; paralysis agitans; paranoia; passive aggressive; pathology; patient'... |
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| PCD | pacer-cardioverter-defibrillator; papillary collecting duct; paraneoplastic cerebellar degeneration;... |
| PCS | palliative care service; Patient Care System; patterns of care study; pelvic congestion syndrome; ph... |
| PDPD | prolonged-dwell peritoneal dialysis |
| PFUO | prolonged fever of unknown origin |
low blood pressure
| intuitive stage | In psychology, a stage of development, usually occurring between 4 and 7 years of age, in which a child's thought processes are determined by the most prominent aspects of the stimuli to which he or she is exposed, rather than by some form of logical thought. (05 Mar 2000) |
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| oral stage | The earliest of the stages of infantile psychosexual development, lasting from birth to 12 months or longer. (12 Dec 1998) |
| Tanner stage | A stage of puberty in the Tanner growth chart, based on pubic hair growth, development of genitalia in boys, and breast development in girls. (05 Mar 2000) |
| third stage of labour | The part of labour from the birth of the baby until the placenta (afterbirth) and foetal membranes are delivered. The third stage of labour is also called the placental stage. (12 Dec 1998) |
| early stage breast cancer | <oncology> Cancer is confined to the breast and has not spread to other sites in the body. (16 Dec 1997) |
| end stage | The late, fully developed phase of a disease; e.g., in end-stage renal disease, a shrunken and scarred kidney that may result from a variety of chronic diseases that have become indistinguishable in their effect on the kidney. (05 Mar 2000) |
| end-stage renal disease | <nephrology> A patient with inadequate renal function to support life. Individuals with end-stage disease must rely in kidney dialysis or peritoneal dialysis to survive. End-stage renal disease may be caused by a number of problems including diabetes, sickle cell disease, hypertension and congenital renal disease (polycystic kidney disease). (27 Sep 1997) |
| eruptive stage | The stage of an exanthematous illness in which the rash appears. (05 Mar 2000) |
| trypanosome stage | Term to replace the older term, "trypanosome stage," which was often confused with the flagellate genus Trypanosoma. It denotes the stage (infective stage for South American trypanosomiasis and African trypanosomiasis, and the only stage found in man in the latter illness) in which the flagellum arises from a posteriorly located kinetoplast and emerges from the side of the body, with an undulating membrane running along the length of the body. Origin: G. Trypanon, auger, + mastix, whip (05 Mar 2000) |
| tumour stage | <oncology> The extent of the spread of a malignant neoplasm from its site of origin. See: TNM staging. (05 Mar 2000) |
| exoerythrocytic stage | Developmental stage of the malaria parasite (Plasmodium) in liver parenchyma cells of the vertebrate host before erythrocytes are invaded. The initial generation produces cryptozoites, the next generation metacryptozoites; reinfection of liver cells from blood cells apparently does not occur. Delayed development of the sporozoite (hypnozoite) of Plasmodium vivax and P. Ovale appears to be responsible for malarial relapse that may occur with these disease agents. (05 Mar 2000) |
| expulsion, stage of | The part of labour from the full dilatation of the cervix until the baby is completely out of the birth canal. The second stage of labour. (12 Dec 1998) |
| first stage of labour | The part of labour when the cervix dilates fully (to 10 centimeters). The first stage of labour is also called the stage of dilatation. (12 Dec 1998) |
| latent stage | incubation period |
| fourth stage of labour | The hour or two after delivery when the tone of the uterus is established and the uterus contracts down again. (12 Dec 1998) |