Primitive groove

Primitive groove
Primitive groove
	Surface view of embryo of Hylobates concolor. The amnion has been opened to expose the embryonic disk.
Details
Carnegie stage	9
Identifiers
Latin	sulcus primitivus
	Anatomical terminology [edit on Wikidata]

The primitive groove is a feature present during prenatal development. It is a shallow groove that appears on the surface of the primitive streak.^[1]^[2] It is created by infolding of epiblastic cells.^[1]^[2] Its anterior end communicates with the yolk-sac by means of the blastophore (an aperture).^{[citation needed]}

References[]

This article incorporates text in the public domain from page 47 of the 20th edition of Gray's Anatomy (1918)

^ ^a ^b Moore, Keith L.; Persaud, T. V. N.; Torchia, Mark G. (2018). "4 - Third Week of Human Development". The Developing Human (11th ed.). Saunders. pp. 47–63. ISBN 9780323611541.
^ ^a ^b Standring, Susan (2020). "10 - Cell populations at gastrulation". Gray's Anatomy (42nd ed.). Elsevier. pp. 188–195. ISBN 9780702077050.

External links[]

Swiss embryology (from UL, UB, and UF) hdisqueembry/triderm02

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[:0-1] Moore, Keith L.; Persaud, T. V. N.; Torchia, Mark G. (2018). "4 - Third Week of Human Development". The Developing Human (11th ed.). Saunders. pp. 47–63. ISBN 9780323611541.

[:1-2] Standring, Susan (2020). "10 - Cell populations at gastrulation". Gray's Anatomy (42nd ed.). Elsevier. pp. 188–195. ISBN 9780702077050.

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