placenta

nounB1

Định nghĩa theo từ loại

Danh từ

noun

Plural noun:

placentaeplacentas

1.
(anatomy) An organ in most mammals during gestation that supplies food and oxygen to the foetus and passes back waste. It is on the wall of the uterus and links to the foetus through the umbilical cord. It is expelled after birth.
Đồng nghĩa: afterbirth, clean, glean
2.
(botany) In flowering plants, the part of the ovary where ovules develop; in non-flowering plants where the spores develop.
Đồng nghĩa: trophosperm

Từ liên quan

Đồng nghĩa

afterbirthclean glean trophosperm

Cùng gốc / liên quan

placentation placentiform placentitisplacentomepseudoplacentasubplacentaand derivatives therefrom]]>placenta cakeplacenta praeviaplacental placentary placentiferous amnionamniochorionchorioamnion, amniochorion, chorio

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Nguồn gốc từ

Elision for phrases such as placenta uterī (womb cake), placenta uterina (uterine cake), from Latin placenta (flat cake), because of the flat round shape of the afterbirth.