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Fetus - Wikipedia
A fetus or foetus (/ ˈfiːtəs /; pl.: fetuses, foetuses, rarely feti or foeti) is the unborn mammalian offspring that develops from an embryo. [1] Following the embryonic stage, the fetal stage of …
Fetus - Definition, Stages and Development | Biology Dictionary
2017年7月6日 · 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 …
Meaning of foetus in English - Cambridge Dictionary
FOETUS definition: 1. a young human being or animal before birth, after the organs have started to develop: 2. a UK…. Learn more.
Fetal Development: Week-by-Week Stages of Pregnancy
2024年3月19日 · There are three stages of fetal development: germinal, embryonic and fetal. Most people don’t talk about their pregnancy in these terms, but it can be helpful to know. The …
Fetus Definition and Examples - Biology Online Dictionary
2023年10月3日 · During pregnancy, the fertilized egg grows and develops into a fetus, a process that typically takes around nine months in humans. Medically, the exact growing stage at …
Embryo vs. Fetus: What’s the Difference? - Healthline
2023年4月12日 · In human pregnancies, a baby-to-be isn’t considered a fetus until the 9th week after conception, or week 11 after your last menstrual period (LMP). The embryonic period is …
Fetal development: The 1st trimester - Mayo Clinic
2022年6月3日 · Fetal development typically follows a predictable course. Find out what happens during the first trimester by checking out this weekly calendar of events. Keep in mind that …
Foetus | definition of foetus by Medical dictionary
In humans, the product of conception from the end of the eighth week to the moment of birth. Synonym (s): foetus. The widely-used but incorrect spelling of FETUS. the EMBRYO of …
Fetal development by week: Your baby in the womb | BabyCenter
2023年2月21日 · Follow your baby's development week by week, from conception to labor, in these amazingly detailed, doctor-reviewed images. At the start of this week, you ovulate. Your …
Fetus | Growth, Development, Nutrition | Britannica
2024年12月24日 · 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 …