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Articles 5911 - 5940 of 6019
Full-Text Articles in Entire DC Network
The Reporter, October 24, 1966
The Reporter, October 24, 1966
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, October 10, 1966
The Reporter, October 10, 1966
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, February 21, 1966
The Reporter, February 21, 1966
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, February 10, 1966, Bronx Community College
The Communicator, February 10, 1966, Bronx Community College
The Communicator
The Communicator newspaper published on February 10, 1966.
The Ticker, December 21, 1965
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 06, 1965
The Reporter, December 06, 1965
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, November 29, 1965
The Reporter, November 29, 1965
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 13, 1965
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 1965, Bronx Community College
Genesis 1965, Bronx Community College
Yearbooks
1965 yearbook from Bronx Community College of the City University of New York.
The Reporter, December 16, 1964
The Reporter, December 16, 1964
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 24, 1964
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, October 28, 1964
The Reporter, October 28, 1964
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 22, 1964
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 14, 1964
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, March 24, 1964
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, March 17, 1964
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, March, 1964, Bronx Community College
The Communicator, March, 1964, Bronx Community College
The Communicator
The Communicator newspaper published in March, 1964.
The Ticker, February 18, 1964
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 11, 1963
The Reporter, December 11, 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.
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
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 …
Role Of The Gamete Membranes In Fertilization In Saccoglossus Kowalevskii (Enteropneusta): Ii. Zygote Formation By Gamete Membrane Fusion, Laura Hunter Colwin, Arthur L. Colwin
Role Of The Gamete Membranes In Fertilization In Saccoglossus Kowalevskii (Enteropneusta): Ii. Zygote Formation By Gamete Membrane Fusion, Laura Hunter Colwin, Arthur L. Colwin
Publications and Research
An earlier paper showed that in Saccoglossus the acrosomal tubule makes contact with the egg plasma membrane. The present paper includes evidence that the sperm and egg plasma membranes fuse to establish the single continuous zygote membrane which, consequently, is a mosaic. Contrary to the general hypothesis of Tyler, pinocytosis or phagocytosis plays no role in zygote formation. Contact between the gametes is actually between two newly exposed surfaces: in the spermatozoon, the surface was formerly the interior of the acrosomal vesicle; in the egg, it was membrane previously covered by the egg envelopes. The concept that all the events …
The Reporter, November 6, 1963
The Reporter, November 6, 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 30, 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
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, May, 1962, Bronx Community College
The Communicator, May, 1962, Bronx Community College
The Communicator
The Communicator newspaper published in May, 1962.
The Communicator, April, 1962, Bronx Community College
The Communicator, April, 1962, Bronx Community College
The Communicator
The Communicator newspaper published in April, 1962.
The Communicator, January, 1962, Bronx Community College
The Communicator, January, 1962, Bronx Community College
The Communicator
The Communicator newspaper published in January, 1962.
The Reporter, November 1, 1961
The Reporter, November 1, 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.
Fine Structure Of The Spermatozoon Of Hydroides Hexagonus (Annelida), With Special Reference To The Acrosomal Region, Arthur L. Colwin, Laura Hunter Colwin
Fine Structure Of The Spermatozoon Of Hydroides Hexagonus (Annelida), With Special Reference To The Acrosomal Region, Arthur L. Colwin, Laura Hunter Colwin
Publications and Research
This paper describes in some detail the structure of the acrosomal region of the spermatozoon of Hydroides as a basis for subsequent papers which will deal with the structural changes which this region undergoes during fertilization. The material was osmium-fixed and mild centrifugation was used to aggregate the spermatozoa from collection to final embedding. The studies concern also the acrosomal regions of frozen-thawed sperm prepared by a method which previously had yielded extracts with egg membrane lytic activity. The plasma membrane closely envelops four readily recognizable regions of the spermatozoon: acrosomal, nuclear, mitochondrial, and flagellar. The acrosome consists of an …
Changes In The Spermatozoon During Fertilization In Hydroides Hexagonus (Annelida): I. Passage Of The Acrosomal Region Through The Vitelline Membrane, Laura Hunter Colwin, Arthur L. Colwin
Changes In The Spermatozoon During Fertilization In Hydroides Hexagonus (Annelida): I. Passage Of The Acrosomal Region Through The Vitelline Membrane, Laura Hunter Colwin, Arthur L. Colwin
Publications and Research
In the previous paper the structure of the acrosomal region of the spermatozoon was described. The present paper describes the changes which this region undergoes during passage through the vitelline membrane. The material used consisted of moderately polyspermic eggs of Hydroides hexagonus, osmium-fixed usually 9 seconds after insemination. There are essentially four major changes in the acrosome during passage of the sperm head through the vitelline membrane. First, the acrosome breaks open apically by a kind of dehiscence which results in the formation of a well defined orifice. Around the lips of the orifice the edges of the plasma and …