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Pregnanes
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D011278 |
[Saturated derivatives of the steroid pregnane. The 5-beta series includes PROGESTERONE and related hormones; the 5-alpha series includes forms generally excreted in the urine.
] |
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Pregnanetriol
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D011279 |
[A metabolite of 17-ALPHA-HYDROXYPROGESTERONE, normally produced in small quantities by the GONADS and the ADRENAL GLANDS, found in URINE. An elevated urinary pregnanetriol is associated with CONGENITAL ADRENAL HYPERPLASIA with a deficiency of STEROID 21-HYDROXYLASE.
] |
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Pregnanolone
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D011280 |
[A pregnane found in the urine of pregnant women and sows. It has anesthetic, hypnotic, and sedative properties.
] |
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Pregnant Women
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D037841 |
[Human females who are pregnant, as cultural, psychological, or sociological entities.
] |
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Pregnatrienes
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D011281 |
[Pregnane derivatives containing three double bonds in the ring structures.
] |
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Pregnenediones
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D011282 |
[Unsaturated pregnane derivatives containing two keto groups on side chains or ring structures.
] |
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Pregnenes
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D011283 |
[Unsaturated derivatives of PREGNANES.
] |
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Pregnenolone
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D011284 |
[A 21-carbon steroid, derived from CHOLESTEROL and found in steroid hormone-producing tissues. Pregnenolone is the precursor to GONADAL STEROID HORMONES and the adrenal CORTICOSTEROIDS.
] |
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Pregnenolone Carbonitrile
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D011285 |
[A catatoxic steroid and microsomal enzyme inducer having significant effects on the induction of cytochrome P450. It has also demonstrated the potential for protective capability against acetaminophen-induced liver damage.
] |
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Prehypertension
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D058246 |
[Blood pressure levels that are between normotension and hypertension. Individuals with prehypertension are at a higher risk for developing cardiovascular diseases. Generally, prehypertension is defined as SYSTOLIC PRESSURE of 131-139 mm Hg and/or DIASTOLIC PRESSURE of 81-89 when the optimal is 120/80 mm Hg. For diabetics and other metabolism diseases the prehypertension is around 110-129/70-79 mm Hg.
] |
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Preimplantation Diagnosis
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D019836 |
[Performing various procedures and tests on the the OVUM; ZYGOTE; or BLASTOCYST, prior to implantation, for the detection of diseases.
, Determination of the nature of a pathological condition or disease in the OVUM; ZYGOTE; or BLASTOCYST prior to implantation. CYTOGENETIC ANALYSIS is performed to determine the presence or absence of genetic disease.
] |
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Prejudice
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D011287 |
[A preconceived judgment made without factual basis.
, Fear of or hostility toward Muslims which may be manifested in many ways including acts of violence and legislation against visible aspects of Islam.
, Discrimination against or hostility towards Jewish people, whether they are religiously or ethnically defined.
, Attitudes or stereotypes that affect understanding, actions, and decisions in an unconscious manner.
] |
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Prekallikrein
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D011288 |
[A plasma protein which is the precursor of kallikrein. Plasma that is deficient in prekallikrein has been found to be abnormal in thromboplastin formation, kinin generation, evolution of a permeability globulin, and plasmin formation. The absence of prekallikrein in plasma leads to Fletcher factor deficiency, a congenital disease.
] |
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Preleukemia
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D011289 |
[Conditions in which the abnormalities in the peripheral blood or bone marrow represent the early manifestations of acute leukemia, but in which the changes are not of sufficient magnitude or specificity to permit a diagnosis of acute leukemia by the usual clinical criteria.
] |
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Preliminary Data
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D000074286 |
[First-released version of study results in a series of data collection efforts used for the purpose of generating further interest in and or funding of a research study.
] |
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Premarital Examinations
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D011291 |
[Medical tests taken by couples planning to be married in order to determine presence of genetic and contagious diseases.
] |
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Premature Birth
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D047928 |
[CHILDBIRTH before 37 weeks of PREGNANCY (259 days from the first day of the mother's last menstrual period, or 245 days after FERTILIZATION).
] |
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Premature Ejaculation
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D061686 |
[The emission of SEMEN and seminal fluid during the act of preparation for sexual intercourse, i.e. before there is penetration, or shortly after penetration.
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Premedication
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D011292 |
[Preliminary administration of a drug preceding a diagnostic, therapeutic, or surgical procedure. The commonest types of premedication are antibiotics (ANTIBIOTIC PROPHYLAXIS) and anti-anxiety agents. It does not include PREANESTHETIC MEDICATION.
] |
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Premenopause
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D017697 |
[The period before MENOPAUSE. In premenopausal women, the climacteric transition from full sexual maturity to cessation of ovarian cycle takes place between the age of late thirty and early fifty.
] |
