primitive streaks

A form of primitive streak — A formation that occurs during the initial phases of embryonic development in birds, reptiles and mammals.

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Meanings

noun
  1. pluralplural of primitive streak
Cite this entry
APA

primitive streaks. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/primitive%20streaks

MLA

“primitive streaks.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/primitive%20streaks. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “primitive streaks,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/primitive%20streaks.

Source: primitive streaks on Wiktionary, CC BY-SA 4.0.