Placenta

/pləˈsɛn.tə/

Meaning & Definition

noun

A thick, vascular organ that develops in the uterus of mammals during pregnancy, providing nourishment and oxygen to the developing fetus and removing waste products.

The placenta is essential for fetal development, as it connects the mother’s blood supply to that of the unborn baby.

The structure of similar function and origin in certain other organisms, such as mammals and some reptiles.

In some reptiles, the placenta allows for a more complex form of embryonic development.

In botany, the tissue in a plant that attaches the ovules to the ovary.

The placenta in the flower holds the seeds as they develop.

Etymology

Latin placenta, meaning 'cake, flat cake'

Common Phrases and Expressions

placenta previa

A condition where the placenta partially or completely covers the cervix.

placental abruption

A serious condition in which the placenta detaches from the uterus prematurely.

Related Words

umbilical cord

The flexible structure containing blood vessels that connects the fetus to the placenta.

amniotic fluid

The fluid surrounding the fetus in the amniotic sac, providing cushioning and support.

Slang Meanings

The afterbirth, often referred to in discussions about childbirth.

They decided to keep the placenta as part of their natural birth experience.