File:Journal of morphology (1893) (14802681573).jpg

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Identifier: journalofmorphol08wist (find matches)
Title: Journal of morphology
Year: 1893 (1890s)
Authors: Wistar Institute of Anatomy and Biology
Subjects: Morphology Physiology
Publisher: Boston : Ginn & Co.
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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Wilson, del. BMeisel lith.Boston. 630 WILSON. PLATE XXXIV. (All from preparations ; 270 diameters.) A series of gastrulas, derived from shaken 2-celled stages, 7 hours. All from the same spawning. Fig. 63. Normal gastruia. Figs. 64 to 68. Series leading from slightly expanded form to true doublegastrulas. Fig. 69. Two separate twins, within one membrane. Figs. 70 to 74. Show various relations of the axes and blastopores. Fig. 75. In this case the two archentera are not separated by a layer of ecto-blast (cf. Fig. 72). Fig. 76. One of the bodies fits like a cap upon one side of the other. Joiirn. Morph. Vol. Wf. pi.xxxir
Text Appearing After Image:
Wilson, del. B-Meisel. lith.Boston. 632 WILSON. PLATE XXXV.(Fig. 77 to 95, from life ; the others from preparations ; 270 diameters.) Figs. 77 to 81. Cleavage of an isolated ^ blastomere up to the 8-celled stage,observed in one position. Fig. 78 shows the nearest approach to the sphericalform. Identical with normal form of cleavage. Figs. 82 to 86. Cleavage of ^Ij^ embryo (a pair of blastomeres from 4-celledstage). Slight inequality in the 4-celled stage. Fig. 85 represents another speci-men showing perfect equality in the 4-celled stage. Figs. 87 to 91. Cleavage of isolated X blastomere, exactly correspondingwith that of the % blastomere shown in Figs. 77-81. Fig. 92. Unequal 4-celle.d stage of ^ blastomere ; cf. Fig. 90. Fig. 93. The same individual as Fig. 91 ; i6-celled stage. A large cleavage-pore on the lower side. Fig. 94. Another specimen like the last (i6-celled stage, )i embryo), followedfrom the beginning ; the 4-celled stage was equal. Fig. 95. The same specimen later; 32-

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Author Wistar Institute of Anatomy and Biology
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Volume
InfoField
v. 8
Flickr tags
InfoField
  • bookid:journalofmorphol08wist
  • bookyear:1893
  • bookdecade:1890
  • bookcentury:1800
  • bookauthor:Wistar_Institute_of_Anatomy_and_Biology
  • booksubject:Morphology
  • booksubject:Physiology
  • bookpublisher:Boston___Ginn___Co_
  • bookcontributor:MBLWHOI_Library
  • booksponsor:MBLWHOI_Library
  • bookleafnumber:706
  • bookcollection:biodiversity
  • bookcollection:MBLWHOI
  • bookcollection:blc
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
30 July 2014



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