| PS | pacemaker syndrome; paired stimulation; paradoxical sleep; paraspinal; parasympathetic; Parkinson sy... |
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| SISH | Stage I Systolic Hypertension in the Elderly [study] |
| sREM | stage rapid eye movement |
| SSCF | sleep stage change frequency |
| SSEA | stage-specific embryonic antigen |
| stage micrometre | <microscopy> A graduated scale used as a standard on the stage of a light microscope for calibrating an eyepiece micrometre, also for determining the magnification of a set-up in photomicrography, etc. (05 Aug 1998) |
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| stage of dilatation | The part of labour when the cervix dilates fully (to 10 centimeters). Also called the first stage of labour. (12 Dec 1998) |
| stage of expulsion | See: Second stage of labour. (12 Dec 1998) |
| stage of invasion | incubation period |
| defervescent stage | Falling of an elevated temperature; abatement of fever. Origin: L. De-fervesco, to cease boiling, fr. De-neg. + fervesco, to begin to boil (05 Mar 2000) |
| imperfect stage | A mycological term used to describe the asexual life cycle phase of a fungus. See: anamorph. (05 Mar 2000) |
| incubative stage | <microbiology> The time from the moment of inoculation (exposure) to the development of the clinical manifestations of a particular infectious disease. (13 Nov 1997) |
| 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) |
| 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) |