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The meaning of FETUS is an unborn or unhatched vertebrate especially after attaining the basic structural plan of its kind; specifically : a developing human from usually two months after conception to birth.
Jul 6, 2017 · Fetus Definition. Fetal development occurs between the embryonic stage of development and birth in humans. This stage begins after 11 weeks of gestation, when the embryo begins to exhibit human characteristics, and lasts until birth.
A human fetus, attached to placenta, at three months gestational age. In humans, the fetal stage starts nine weeks after fertilization. At this time the fetus is typically about 30 millimetres (1 + 1 ⁄ 4 in) in length from crown to rump, and weighs about 8 grams. The head makes up nearly half of the size of the fetus.
the developing young in the uterus, specifically the unborn offspring in the postembryonic period, which in humans is from the third month after fertilization until birth. See also embryo . The stages of growth of the fetus are fairly well defined. At the end of the first month it has grown beyond microscopic size.
FETUS definition: 1. mainly US spelling of foetus 2. a young human being or animal before birth, after the organs…. Learn more.
Oct 3, 2023 · Fetus Definition. A fetus is defined as a developing mammal inside the mother’s womb before it is born. The fetal stage succeeds the embryonic developmental stage. During pregnancy, the fertilized egg grows and develops into a fetus, a process that typically takes around nine months in humans.
Fetus definition: (used chiefly of viviparous mammals) the young of an animal in the womb or egg, especially in the later stages of development when the body structures are in the recognizable form of its kind, in humans after the end of the second month of gestation..
a young human being or animal before birth, after the organs have started to develop: Could the anti-nausea tablets she had been prescribed harm the foetus? The zygote ( fertilized cell) continues to divide and passes through the stages of embryo and fetus. Fewer examples.
a young human being or animal before birth, after the organs have started to develop: Amniotic fluid surrounds and cushions the fetus inside the uterus during pregnancy. The zygote ( fertilized cell) continues to divide and passes through the stages of embryo and fetus. Fewer examples.
fetus, the unborn young of any vertebrate animal, particularly of a mammal, after it has attained the basic form and structure typical of its kind. A brief treatment of the fetus follows. For more information on the human fetus, see pregnancy.
