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Role Of The Gamete Membranes In Fertilization In Saccoglossus Kowalevskii (Enteropneusta): I. The Acrosomal Region And Its Changes In Early Stages Of Fertilization, Arthur L. Colwin, Laura Hunter Colwin Dec 1963

Role Of The Gamete Membranes In Fertilization In Saccoglossus Kowalevskii (Enteropneusta): I. The Acrosomal Region And Its Changes In Early Stages Of Fertilization, Arthur L. Colwin, Laura Hunter Colwin

Publications and Research

Previous electron microscope studies of sperm-egg association in the annelid Hydroides revealed novel aspects with respect to the acrosomal region. To determine whether these aspects were unique, a comparable study was made of a species belonging to a widely separated phylum, Hemichordata. Osmium tetroxide-fixed polyspermic material of the enteropneust, Saccoglossus, was used. The acrosomal region includes the membrane-bounded acrosome, with its large acrosomal granule and shallow adnuclear invagination, and the periacrosomal material which surrounds the acrosome except at the apex; here, the acrosomal membrane lies very close to the enclosing sperm plasma membrane. After reaching the egg envelope, the spermatozoon …


The Ticker, November 27, 1963 Nov 1963

The Ticker, November 27, 1963

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.


The Reporter, November 20, 1963 Nov 1963

The Reporter, November 20, 1963

The Reporter

The Reporter was Baruch College's evening session newspaper. Founded in 1923, when Baruch College was still part of City College, the Reporter billed itself as "the Oldest Evening Session College Newspaper Published in the United States." It ceased publication in 2002.


The Ticker, November 12, 1963 Nov 1963

The Ticker, November 12, 1963

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.


The Communicator, November, 1963, Bronx Community College Nov 1963

The Communicator, November, 1963, Bronx Community College

The Communicator

The Communicator newspaper published in November, 1963.


The Ticker, October 22, 1963 Oct 1963

The Ticker, October 22, 1963

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.


The Communicator, October, 1963, Bronx Community College Oct 1963

The Communicator, October, 1963, Bronx Community College

The Communicator

The Communicator newspaper published in October, 1963.


The Reporter, September 23, 1963 Sep 1963

The Reporter, September 23, 1963

The Reporter

The Reporter was Baruch College's evening session newspaper. Founded in 1923, when Baruch College was still part of City College, the Reporter billed itself as "the Oldest Evening Session College Newspaper Published in the United States." It ceased publication in 2002.


The Reporter, May 8, 1963 May 1963

The Reporter, May 8, 1963

The Reporter

The Reporter was Baruch College's evening session newspaper. Founded in 1923, when Baruch College was still part of City College, the Reporter billed itself as "the Oldest Evening Session College Newspaper Published in the United States." It ceased publication in 2002.


The Reporter, April 3, 1963 Apr 1963

The Reporter, April 3, 1963

The Reporter

The Reporter was Baruch College's evening session newspaper. Founded in 1923, when Baruch College was still part of City College, the Reporter billed itself as "the Oldest Evening Session College Newspaper Published in the United States." It ceased publication in 2002.


The Ticker, April 2, 1963 Apr 1963

The Ticker, April 2, 1963

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.


The Reporter, March 27, 1963 Mar 1963

The Reporter, March 27, 1963

The Reporter

The Reporter was Baruch College's evening session newspaper. Founded in 1923, when Baruch College was still part of City College, the Reporter billed itself as "the Oldest Evening Session College Newspaper Published in the United States." It ceased publication in 2002.


The Communicator, March, 1963, Bronx Community College Mar 1963

The Communicator, March, 1963, Bronx Community College

The Communicator

The Communicator newspaper published in March, 1963.


The Reporter, February 27, 1963 Feb 1963

The Reporter, February 27, 1963

The Reporter

The Reporter was Baruch College's evening session newspaper. Founded in 1923, when Baruch College was still part of City College, the Reporter billed itself as "the Oldest Evening Session College Newspaper Published in the United States." It ceased publication in 2002.


The Ticker, February 19, 1963 Feb 1963

The Ticker, February 19, 1963

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.


Genesis 1963, Bronx Community College Jan 1963

Genesis 1963, Bronx Community College

Yearbooks

1963 yearbook from Bronx Community College of the City University of New York.


The Communicator, January, 1963, Bronx Community College Jan 1963

The Communicator, January, 1963, Bronx Community College

The Communicator

The Communicator newspaper published in January, 1963.


The Ticker, December 18, 1962 Dec 1962

The Ticker, December 18, 1962

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.


The Communicator, November, 1962, Bronx Community College Nov 1962

The Communicator, November, 1962, Bronx Community College

The Communicator

The Communicator newspaper published in November, 1962.


The Ticker, May 15, 1962 May 1962

The Ticker, May 15, 1962

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.


The Communicator, May, 1962, Bronx Community College May 1962

The Communicator, May, 1962, Bronx Community College

The Communicator

The Communicator newspaper published in May, 1962.


The Communicator, April, 1962, Bronx Community College Apr 1962

The Communicator, April, 1962, Bronx Community College

The Communicator

The Communicator newspaper published in April, 1962.


The Communicator, March, 1962, Bronx Community College Mar 1962

The Communicator, March, 1962, Bronx Community College

The Communicator

The Communicator newspaper published in March, 1962.


The Reporter, February 5, 1962 Feb 1962

The Reporter, February 5, 1962

The Reporter

The Reporter was Baruch College's evening session newspaper. Founded in 1923, when Baruch College was still part of City College, the Reporter billed itself as "the Oldest Evening Session College Newspaper Published in the United States." It ceased publication in 2002.


The Communicator, January, 1962, Bronx Community College Jan 1962

The Communicator, January, 1962, Bronx Community College

The Communicator

The Communicator newspaper published in January, 1962.


Genesis 1962, Bronx Community College Jan 1962

Genesis 1962, Bronx Community College

Yearbooks

1962 yearbook from Bronx Community College of the City University of New York.


The Ticker, December 19, 1961 Dec 1961

The Ticker, December 19, 1961

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.


The Ticker, December 14, 1961 Dec 1961

The Ticker, December 14, 1961

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.


The Reporter, December 6, 1961 Dec 1961

The Reporter, December 6, 1961

The Reporter

The Reporter was Baruch College's evening session newspaper. Founded in 1923, when Baruch College was still part of City College, the Reporter billed itself as "the Oldest Evening Session College Newspaper Published in the United States." It ceased publication in 2002.


The Ticker, December 5, 1961 Dec 1961

The Ticker, December 5, 1961

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.