File:Rugh 068.jpg: Difference between revisions

Latest revision as of 12:28, 12 April 2013

Gastrula

{Top) Tritmus torosus, gastrula.

(a) Surface view of the blastoporal region after part of the surface layer has been removed,

(b) Isolated bunch of flask cells from the lateral blastoporus lip, containing larger endodermal and smaller mesodermal cells.

{Center) A. punctatum, gastrula. Surface view of the blastopore showing the accumulation of pigment and the stretching of the cells toward the lines of invagination.

(Bottom) A. piinctatum, blastula. Section of the prospective blastoporal region. Note the black streaks of condensed coat material, and the flask cells attached to it.

Reference

Courtesy, Holtfreter, 1943, J. Exper. ZooL, 94:261.

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Reference

Rugh R. Book - The Frog Its Reproduction and Development. (1951) The Blakiston Company.

Cite this page: Hill, M.A. (2024, April 20) Embryology Rugh 068.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Rugh_068.jpg

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+==Gastrula==
+{Top) Tritmus torosus, gastrula.
+(a) Surface view of the blastoporal region after part of the surface layer has been removed,
+(b) Isolated bunch of flask cells from the lateral blastoporus lip, containing larger endodermal and smaller mesodermal cells.
+{Center) A. punctatum, gastrula. Surface view of the blastopore showing the accumulation of pigment and the stretching of the cells toward the lines of invagination.
+(Bottom) A. piinctatum, blastula. Section of the prospective blastoporal region. Note the black streaks of condensed coat material, and the flask cells attached to it.
+===Reference===
+Courtesy, Holtfreter, 1943, J. Exper. ZooL, 94:261.
 {{Rugh1951 footer}}