File:Journal of morphology (1909) (14750685796).jpg

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Identifier: journalofmorphol20wist (find matches)
Title: Journal of morphology
Year: 1909 (1900s)
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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Text Appearing Before Image:
30. Spermatozoon with middle piece a little more swollen, x 2(X)0. 31. Spermatozoon with the first indication of rays. Notice a knob atthe end of the tail. X 2000. 32. Middle piece with a pentagonal outline. X 2000. 33. The same preparation further extracted. The middle piece has lostits outline, the centriole alone remaining as a distinct body. Elongationof the tail, x 2000. 34. Middle piece surrounded by long rays. X 2000. 35. Centriole with ray-system escaped from the middle piece vesicle.X 2000. 36. Centriole just after its division. Tlie middle piece vesicle is aboutto disappear, x 2000. 37. Sperm asters with new ray systems. No centrosome is present. X 2000. 38. Sperm asters with a synthetic spindle between them. X 2000. 39. Sperm aster with much centroplasm. X 20(X). 40. Sperm aster more advanced. Two centrioles in a degenerating centro-some. The rays are about to disintegrate (only a portion of the rays arerepresented), x 2000. JKINESIS IN CEKEBRATULUS LACTEtJS.NAOHIDE YATSU.
Text Appearing After Image:
iTK Journal of Mniti-noLOGY.—Vol. XX, No. 3. Plate III. 41. Two germ-nuclei immediately prior to their conjugation. The sperm-spindle lies between the nuclei, x 86G. 42. Two germ-nuclei opposing each other. The sperni-spindle is behindthe nucleus. X 8GG. 43-44. Two sections (not consecutive) of germ-nuclei fused. Two cen-trioles are present. Position of the centrioles in the degenerating asters.Small ray systems have appeared around the centrioles. X 86G. 45. Two germ-nuclei opposing but not yet fused. A centriole (sketchedin from the next section) has already acquired a new ray system. X 86G. 4G. Segmentation nucleus with the sperm-spindle on one side. X 8GG. 47. Centrosome containing two centrioles at a pole of the first cleavagefigure. X 2000. 48. Centrioles separated farther from each other with two connectingfibres between them. X -000. 49. Centrosome enlarging. X -000. 50. Centrosome still enlarging, its alveolar nature becoming apparent. X 2000. 51. Centrosome with the centri

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https://www.flickr.com/photos/internetarchivebookimages/14750685796/

Author Wistar Institute of Anatomy and Biology
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Volume
InfoField
v. 20
Flickr tags
InfoField
  • bookid:journalofmorphol20wist
  • bookyear:1909
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Wistar_Institute_of_Anatomy_and_Biology
  • booksubject:Morphology
  • booksubject:Physiology
  • bookpublisher:Boston___Ginn___Co_
  • bookcontributor:MBLWHOI_Library
  • booksponsor:MBLWHOI_Library
  • bookleafnumber:570
  • bookcollection:biodiversity
  • bookcollection:MBLWHOI
  • bookcollection:blc
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
29 July 2014



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