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
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
17 May 2025
(noun) sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
According to Guinness World Records, the most massive cup of coffee contained 22,739.14 liters and was created by AlcaldĂa Municipal de Chinchiná (Colombia) at Parque de BolĂvar, Chinchiná, Caldas, Colombia, on 15 June 2019. Fifty people worked for more than a month to build this giant cup. The drink prepared was Arabic coffee.
