Fetus Definition & Meaning - Merriam-Webster
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.
Fetus - Wikipedia
A fetus is a stage in the prenatal development of viviparous organisms. This stage lies between embryogenesis and birth. [ 1 ] Many vertebrates have fetal stages, ranging from most mammals to many fish.
Embryo vs. Fetus: What’s the Difference? - Healthline
2023年4月12日 · During each week of pregnancy, your baby is growing. Here’s a look at what medical terms like embryo and fetus mean in terms of development.
Fetal Development: Week-by-Week Stages of Pregnancy - Cleveland Clinic
Fetal development is how a fetus grows during pregnancy. It begins at conception and ends at birth. Many changes occur to the fetus and the pregnant person in this time.
Fetal development: The 1st trimester - Mayo Clinic
2022年6月3日 · Your baby is now officially described as a fetus. This week your baby's face is broad, the eyes widely separated, the eyelids fused and the ears low set. Buds for future teeth appear. Red blood cells are beginning to form in your baby's liver.
Fetus - Definition, Stages and Development - Biology Dictionary
2017年7月6日 · 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.
Fetal development by week: Your baby in the womb - BabyCenter
2023年2月21日 · Curious about how your baby is developing in the womb? Here's a breakdown of fetal development week by week.
Fetus | Growth, Development, Nutrition | Britannica
2024年10月15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 fetus follows. For more information on the human fetus, see pregnancy.
What is the difference between an embryo, a fetus, and a …
2021年8月25日 · As pregnancy progresses the embryo becomes a fetus. The fetus becomes a neonate or newborn at birth. It may not be common to hear a pregnant person speak about their embryo or fetus in those terms, but we can all choose to use the words we are most comfortable with. A better understanding of embryonic and fetal development can expand our word ...
Embryo vs. Fetus: How to Tell Them Apart - Verywell Health
2024年7月8日 · An embryo and a fetus are different stages of your baby’s development during pregnancy. The embryonic stage happens first and lasts through week 10. The fetal stage comes next and lasts from the end of week 10 until you give birth.