File:Montgomery Cytological studies 1898.jpg

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Description
English: Egg development of Lineus gesserensis

Fig. 160. Ovum

Figs. 161 and 162. Germinal vesicles (as in 159).

Fig. 163. Group of neighboring nuclei from a gonad, showing mitotic stages (aq. sol. sublimate ; Del. haematoxyUn, 20 min. ; eosin, 5 min.).

Figs. 164-172. Nuclei from gonads (as in 163).

Figs. 173-176. Germinal vesicles (as in 163).

Fig. 177. The largest ovum found, only a part of the cytoplasm drawn (as in 163).
Date
Source (1898). "Comparative cytological studies, with especial regard to the morphology of the nucleolus". Journal of Morphology 15 (2): 265–582. DOI:10.1002/jmor.1050150204.
Author Thomas Harrison Montgomery, Jr.

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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.


This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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