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
9 June 2025
(noun) one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made
The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.
