Lateral lingual swelling

Lateral lingual swelling
	Floor of pharynx of human embryo about twenty-six days old.
	Floor of pharynx of human embryo of about the end of the fourth week.
Details
Identifiers
Latin	tuberculum linguale laterale
TE	E5.4.1.2.0.0.5
	Anatomical terminology

The two lateral lingual swellings or distal tongue buds form from the first pharyngeal arch, in the fifth week of embryogenesis following the development of the median tongue bud in the fourth week. These swellings grow downwards and towards each other covering the median tongue bud. Their line of fusion is marked by the median sulcus of the tongue.^[1] They will form the anterior two-thirds of the tongue and their boundary with the hypopharyngeal eminence (which will form the posterior one-third of the tongue is marked by the terminal sulcus.^[1]

References

This article incorporates text in the public domain from page 1102 of the 20th edition of Gray's Anatomy (1918)

1 2 Larsen, William J. (2001). Human embryology (3 ed.). Philadelphia, Pa.: Churchill Livingstone. pp. 372–373. ISBN 0-443-06583-7.

External links

hednk-024—Embryo Images at University of North Carolina

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[Larsen-1] 1 2 Larsen, William J. (2001). Human embryology (3 ed.). Philadelphia, Pa.: Churchill Livingstone. pp. 372–373. ISBN 0-443-06583-7.