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trophoblast

Upper-Intermediate (B2)

IPA: //ˈtroʊfəˌblæst//

KK: /ˈtroʊfəˌblæst/

noun
Definition

The outer layer of cells in a developing embryo that helps attach it to the uterus and provides nutrients.


Example

The trophoblast plays a crucial role in the early stages of pregnancy by forming the placenta.


Conversation
Sloth A
Did you know that the trophoblast plays a crucial role in pregnancy?
Sloth B
Really? I had no idea it was so important.
Sloth A
Yeah, it helps attach the embryo to the uterine wall.
Sloth B
That makes sense! I love learning about how our bodies work.

Synonyms & Antonyms
Synonyms
trophoderm
Antonyms
Root Explanation

**Trophoblast** → It is formed from "tropho-" (from Greek *trophē*, meaning nourishment or food) and "-blast" (from Greek *blastos*, meaning germ or bud). The word refers to the layer of cells that provide nourishment to the embryo during its early development.

Memory Tip

Think of 'nourishment' ('tropho-') and 'germ' or 'bud' ('-blast') to remember that a trophoblast is a cell layer that nourishes the developing embryo.

Visually Confused Words
cytotrophoblast
trichoblast
optoblast
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