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# placental

«placental» in Mova's school dictionary: **To do with the placenta, the organ that grows inside a…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

adjective (placental); noun (a placental, placentals) (science)

### meaning for a pupil

1) To do with the placenta, the organ that grows inside a mother during pregnancy to give the baby food and oxygen. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/placental/#m1)

2) (placental mammals) Mammals whose babies grow inside the mother with a placenta, such as humans, dogs, cats and whales. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/placental/#m2)

### sense in the lessons

In science lessons on animal groups, placental mammals are compared with marsupials (kangaroos, koalas), whose babies grow in a pouch, and monotremes (platypus), which lay eggs. Most mammals are placental. In Australia and NZ, this contrast is a common topic.

### examples

- Humans are placental mammals. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/placental/#x1)
- Kangaroos are marsupials, not placentals. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/placental/#x2)
- Whales and bats are placental mammals. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/placental/#x3)
- The placental blood carries food to the baby. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/placental/#x4)
- Australia has many marsupials but also placental mammals like dingoes. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/placental/#x5)
- Most mammals on Earth are placental. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/placental/#x6)

### note

Adjective (also a noun in science). Noun: placenta (plural placentas or placentae). Pronounced "pluh-SEN-tul".

### Trees and pragmatics

[Every meaning and example of «placental» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/placental/), each sentence with its dependency tree and frames.