CHORION

chorion

(noun) the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)

Source: WordNet® 3.1


Etymology

Noun

chorion (plural chorions or choria)

(anatomy, biology) The protective and nutritive membrane in higher vertebrates that attaches the fetus to the uterus.

(biology, entomology) The outer case of an insect egg.

(botany) The outer membrane of seeds of plants.

Source: Wiktionary


Cho"ri*on, n. Etym: [NL., fr. Gr.

1. (Anat.) (a) The outer membrane which invests the fetus in the womb; also, the similar membrane investing many ova at certain stages of development. (b) The true skin, or cutis.

2. (Bot.)

Definition: The outer membrane of seeds of plants.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

16 April 2025

RACY

(adjective) marked by richness and fullness of flavor; “a rich ruby port”; “full-bodied wines”; “a robust claret”; “the robust flavor of fresh-brewed coffee”


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Coffee Trivia

International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.

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