thelyblast

T1H4E1L1Y4B3L1A1S1T1

noun

The nucleus of the impregnated ovum, as distinguished from that of the spermatozoon (called the masculonucleus or arsenoblast).

Scrabble 18
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Meanings

nounthelyblast (plural thelyblasts)

plural thelyblasts

  1. biologyThe nucleus of the impregnated ovum, as distinguished from that of the spermatozoon (called the masculonucleus or arsenoblast).

Synonyms & antonyms

Also see
feminonucleus

Origin

From Ancient Greek θῆλυς (thêlus, “female”) + -blast.

Full word history & related roots →
Cite this entry
APA

thelyblast. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/thelyblast

MLA

“thelyblast.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thelyblast. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “thelyblast,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/thelyblast.

Source: thelyblast on Wiktionary, CC BY-SA 4.0.