- conceptus age
- 胎龄
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
age — 1. The period that has elapsed since birth. 2. One of the periods into which human life is divided, distinguished by physical evolution, equilibrium, and involution; e.g., the seven ages of mankind are: infancy, childhood, adolescence … Medical dictionary
menstrual age — conceptus age defined by the time elapsed since the onset of the mother s last normal menstrual period (LNMP) … Medical dictionary
postovulatory age — conceptus age defined by the time elapsed since release of the secondary oocyte from the ovary … Medical dictionary
gestational age — the age of a conceptus or pregnancy. In human clinical practice, pregnancy is timed from onset of the last normal menstrual period (menstrual age), which is about two weeks longer than the fertilization age. Elsewhere the onset may be timed from… … Medical dictionary
coital age — the age of a conceptus defined by the time elapsed since the coitus that led to fertilization … Medical dictionary
conceptual age — the age of a conceptus defined by the time elapsed since fertilization. Called also fertilization a … Medical dictionary
pregnancy — /preg neuhn see/, n., pl. pregnancies. the state, condition, or quality of being pregnant. [1520 30; PREGN(ANT) + ANCY] * * * Process of human gestation that takes place in the female s body as a fetus develops, from fertilization to birth (see… … Universalium
Prenatal development — This article is about prenatal development of human embryos and fetuses. For other species, see prenatal development (non human). For maternal changes in the prenatal period, see Maternal physiological changes in pregnancy. Prenatal or antenatal… … Wikipedia
birth control — regulation of the number of children born through the deliberate control or prevention of conception. Cf. family planning (def. 1). [1914, Amer.] * * * Voluntary limiting of human reproduction, using such means as contraception, sexual abstinence … Universalium
CONCEPT — Les théories de la connaissance s’accordent généralement à reconnaître qu’il y a essentiellement, dans l’être humain, deux modes de connaissances de la réalité, l’un qui porte directement sur le concret, saisi dans sa singularité, l’autre qui… … Encyclopédie Universelle
Human embryogenesis — is the process of cell division and cellular differentiation of the human embryo during early prenatal development. It spans from the moment of fertilization to the end of the 8th week of gestational age, whereafter the embryo is called a fetus.… … Wikipedia