File:Pincus1935-plate01.jpg: Difference between revisions

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==Plate 1==
==Plate 1==
<gallery>
File:Pincus1935-fig01.jpg|FIG. 1. Ovarian egg obtained by puncture of a follicle from the ovary of an unmated rabbit.
File:Pincus1935-fig02.jpg|FIG. 2. Ovarian egg obtained by puncture of a follicle from the ovary of a doe mated 2 hours previously. The chromatin material condenses to tetrads. The vesicular membrane is still present.
File:Pincus1935-fig05.jpg|FIG. 5. Ovarian egg from a doe mated 6 hours previously. The first polar spindle begins to form.
File:Pincus1935-fig06.jpg|FIG. 6. Ovarian egg from a doe mated 8 hours previously. The first polar body has been given off.
File:Pincus1935-fig09.jpg|FIG. 9. Ovarian egg from a doe which had received 2 cc. thyroxin intravenously. Tetrads have formed in a vesicular nucleus.
File:Pincus1935-fig10.jpg|FIG. 10. Ovarian egg from unmated doe, inseminated with normal sperm in vitro. Sperm penetration has occurred. Note sperm head at lower right periphery.
</gallery>


FIG. 1. Ovarian egg obtained by puncture of a follicle from the ovary of an unmated rabbit.
{{Pincus1935 figures}}
 
FIG. 2. Ovarian egg obtained by puncture of a follicle from the ovary of a doe mated 2 hours previously. The chromatin material condenses to tetrads. The vesicular membrane is still present.
 
FIG. 5. Ovarian egg from a doe mated 6 hours previously. The first polar spindle begins to form.
 
FIG. 6. Ovarian egg from a doe mated 8 hours previously. The first polar body has been given off.
 
FIG. 9. Ovarian egg from a doe which had received 2 cc. thyroxin intravenously. Tetrads have formed in a vesicular nucleus.
 
FIG. 10. Ovarian egg from unmated doe, inseminated with normal sperm in vitro. Sperm penetration has occurred. Note sperm head at lower right periphery.
 
{{Historic Disclaimer}}
 
[[Historic Embryology Papers]]
===Reference===
Pincus G. and Enzmann EV. [[Paper - The Comparative Behavior of Mammalian Eggs in Vivo and in Vitro|The Comparative Behavior of Mammalian Eggs in Vivo and in Vitro]]. (1935) J Exp Med. 62(5):665-75. PMID 19870440
 
{{Footer}}
[[Category:Rabbit]][[Category:Oocyte]]
[[Category:1930's]]

Latest revision as of 19:38, 22 April 2016

Plate 1

  • FIG. 1. Ovarian egg obtained by puncture of a follicle from the ovary of an unmated rabbit.

    FIG. 1. Ovarian egg obtained by puncture of a follicle from the ovary of an unmated rabbit.

  • FIG. 2. Ovarian egg obtained by puncture of a follicle from the ovary of a doe mated 2 hours previously. The chromatin material condenses to tetrads. The vesicular membrane is still present.

    FIG. 2. Ovarian egg obtained by puncture of a follicle from the ovary of a doe mated 2 hours previously. The chromatin material condenses to tetrads. The vesicular membrane is still present.

  • FIG. 5. Ovarian egg from a doe mated 6 hours previously. The first polar spindle begins to form.

    FIG. 5. Ovarian egg from a doe mated 6 hours previously. The first polar spindle begins to form.

  • FIG. 6. Ovarian egg from a doe mated 8 hours previously. The first polar body has been given off.

    FIG. 6. Ovarian egg from a doe mated 8 hours previously. The first polar body has been given off.

  • FIG. 9. Ovarian egg from a doe which had received 2 cc. thyroxin intravenously. Tetrads have formed in a vesicular nucleus.

    FIG. 9. Ovarian egg from a doe which had received 2 cc. thyroxin intravenously. Tetrads have formed in a vesicular nucleus.

  • FIG. 10. Ovarian egg from unmated doe, inseminated with normal sperm in vitro. Sperm penetration has occurred. Note sperm head at lower right periphery.

    FIG. 10. Ovarian egg from unmated doe, inseminated with normal sperm in vitro. Sperm penetration has occurred. Note sperm head at lower right periphery.


Historic Disclaimer - information about historic embryology pages 
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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)

Historic Embryology Papers

Reference

Pincus G. and Enzmann EV. The comparative behavior of mammalian eggs in vivo and in vitro. (1935) J Exp Med. 62(5): 665-75. PMID 19870440


Cite this page: Hill, M.A. (2024, June 2) Embryology Pincus1935-plate01.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Pincus1935-plate01.jpg

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