File:The Biological bulletin (20190042950).jpg

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Title: The Biological bulletin
Identifier: biologicalbullet171mari (find matches)
Year: [1] (s)
Authors: Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983
Subjects: Biology; Zoology; Biology; Marine Biology
Publisher: Woods Hole, Mass. : Marine Biological Laboratory
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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FIGURE 1 Ten-hour planula. The animal has elongated and has a distinct anterior end and posterior end. The anterior end is directed down in this micrograph. Microvilli are scattered over the surfaces of all ectodermal cells. Cilia are numerous. The blastopore (arrow) is located at the posterior tip of the planula. X280. FIGURE 12. Thirty-six-hour planula. The planula is long and narrow. Cilia are abundant, long, and scattered over the entire surface of the animal. The anterior and posterior regions are much narrower than seen in the 10-hour planula (Fig. 11). The anterior end is down. X165. FIGURE 13. Thirty-six-hour planula. An indentation is present in the middle of the anterior end. This pit is not the same indentation formed by the blastopore. Long cilia project out from the pit. XI100. FIGURE 14. Forty-eight-hour planula. Anterior end is directed down. X145.

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Marine Biological Laboratory (Woods Hole, Mass.); Marine Biological Laboratory (Woods Hole, Mass.). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-;

Redfield, Alfred Clarence, 1890-1983
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7 August 2015


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18 August 2015

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current06:43, 17 August 2015Thumbnail for version as of 06:43, 17 August 20151,908 × 2,880 (1.43 MB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Title''': The Biological bulletin<br> '''Identifier''': biologicalbullet171mari ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=i...

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