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Articles 181 - 184 of 184

Full-Text Articles in Animal Structures

A Histological Comparison Of The Small Intestine Of The Frog And Man, Eli Getch May 1940

A Histological Comparison Of The Small Intestine Of The Frog And Man, Eli Getch

Bachelors’ Theses

Without the aid of a microscope, Bichat in 1800 studied tissues of various parts of the body, and, even though he did not make any cellular sketches, his work laid the foundation for histology. Then after the announcement of the cell theory by Schleiden and Schwann in 1839, a new path opened for histological study. Leydig (1864) applied the histology of that day to the lower animals. Cajal (1906) cleared up the complicated relations of the tissues together with a complete investigation of the nervous system.

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Kidney Of The Frog, Felix Taubman May 1938

Kidney Of The Frog, Felix Taubman

Bachelors’ Theses

The frog has been used exclusively in both high school and college as the main source of experimental biological and zoological studies. Because it is so easily obtained and so finely adapted to our purposes, we chose it as the specimen upon which to do our thesis work. Much has been done experimentally on the kidneys with the frog. The purpose of this thesis is to present a general view of the external and microscopic anatomy of the frog kidney and with this as a groundwork to present the problems of secretion; whether secretion is carried on by the renal …

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Comparative Anatomy Of The Vertebrate Skull, Joseph G. Greene May 1933

Comparative Anatomy Of The Vertebrate Skull, Joseph G. Greene

Bachelors’ Theses

This paper may be considered in the nature of preliminary or introductory work to another problem which suggested itself during the investigation of the comparative anatomy of the vertebrate skull. The suggested problem might be termed, "Why do certain animals exhibit skulls of a characteristic shape?"

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Chelonian Brain-Membranes, Brain-Bladder, Metapore And Metaplexus, John P. Munson May 1913

Chelonian Brain-Membranes, Brain-Bladder, Metapore And Metaplexus, John P. Munson

Biology Faculty Scholarship

The chelonian brain is not too small to be studied macroscopically. It is easily removed from the skull. Minute surface details and the cell structure can be easily observed.

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