INVAGINATION
invagination, introversion, intussusception, infolding
(noun) the folding in of an outer layer so as to form a pocket in the surface; “the invagination of the blastula”
invagination, introversion
(noun) the condition of being folded inward or sheathed
Source: WordNet® 3.1
Etymology
Noun
invagination (countable and uncountable, plural invaginations)
(medicine) The process where an anatomical part invaginates upon itself or into another structure.
One of the methods by which the various germinal layers of the ovum are differentiated.
Source: Wiktionary
In*vag`i*na"tion, n. Etym: [L. pref. in- + vagina sheath.]
1. (Biol.)
Definition: The condition of an invaginated organ or part.
2. (Biol.)
Definition: One of the methods by which the various germinal layers of the ovum are differentiated.
Note: In embolic invagination, one half of the blastosphere is pushed in towards the other half, producing an embryonic form known as a gastrula.
– In epibolic invagination, a phenomenon in the development of some invertebrate ova, the epiblast appears to grow over or around the hypoblast.
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
22 September 2024
SPRINGBOARD
(noun) a beginning from which an enterprise is launched; “he uses other people’s ideas as a springboard for his own”; “reality provides the jumping-off point for his illusions”; “the point of departure of international comparison cannot be an institution but must be the function it carries out”
Do you know this game?
Wordscapes is a popular word game consistently in the top charts of both Google Play Store and Apple App Store. The Android version has more than 10 million installs. This guide will help you get more coins in less than two minutes of playing the game. Continue reading Wordscapes: Get More Coins