Browsing Life and Environmental Sciences Undergraduate Theses by Issue Date
Now showing items 21-40 of 616
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A New Microscopic Technique Of Whole Mounts In Bio-Plastics
(1950-04-01)It has been only a matter of a few years since the Introduction of Bio-Plastic as a method of mounting specimens for study and display, and this Introduction has been followed by an increasing demand for methods applicable ... -
The Cause And Effect Of Natural And Artificial Mutations
(1950-04-01)As geneticists look back, they see that mutated genes must have been responsible for innumerable new characteristics in all kinds of animals and plants within the last few hundred years. From the Massachusetts farmer who ... -
Laboratory Diagnosis Of Tuberculosis Involving The Concentration Of The Bacilli By The Employment of Chemical Reagents
(1950-04-01)The purpose of this paper is primarily to prove the possibility of the existence of an improved and simplified bacteriological diagnosis of tuberculosis so that proper treatment may be employed in the curing of the disease. ... -
The Voluntary Muscles Of The Felis Domesticas Constructively Disected
(1950-04-01)The muscle disection and demonstration is usually considered one of the most difficult in Comparative Vertebrate Anatomy. To complete this demonstration, the student is required to spend a great deal of time finding and ... -
An Ecological Analysis Of The Bacterial Content Of Snow Samples
(1950-04-01)An analysis of this type may be considered from two viewpoints, one of which is essentially that of natural history, the other that which involves its significance for man’s welfare. The first deals with the distribution ... -
The Osteological, Preparation, Disarticulation, And Mounting Of A Typical Reptile, Crotalus Horridus
(1950-04-01)A light spotted rattle snake about thirty six inches in length was obtained from the Helena Police Department in September 1949. The snake was killed a few weeks later, by placing it in a apple box with a stick supplied ... -
Germicidal Effect Of Different Brands Of Toothpastes Upon Streptococcus Pyogenes And Staphylococcus Aureus
(1950-04-01)There are no regions of the body which normally support a more abundant and varied population of microbes than the mouth and throat. The moist warm mucous membrane furnishes excellent conditions for the life of all types ... -
The Embedding Of Specimens In Bio-Plastic
(1953-04-01)In the following pages the student will find most of the information concerning the embedding of specimens in Bio-plastic. We recommend that, through several serious errors, the directions be read with utmost care and then ... -
The Determination Of The Solubility Of Silver Meta-Nitrobenzoate
(1953-04-01)The purpose of the investigation was to find the solubility of the silver salt of meta-nitro-benzoic acid in pure water and in solutions of potassium nitrate of different strengths. A search into the literature gave ... -
The Concept Of the Mystical Body In The Poetry Of Gerard Manley Hopkins
(1955-04-01)GERARD MANLEY HOPKINS (1044-1889) Englishman, Oxford scholar. Catholic convert, and Jesuit priest has acquired a fame in recent years not accorded to him daring his lifetime. This fame is well deserved, although it is ... -
Methodology And Variations In Selected Clinical Laboratory Methods
(1956-04-01)The subject matter of this paper is the purpose and basic chemical principles of chosen determinations performed in a laboratory of clinical pathology. it is not eh intention of the author to present any new methods for ... -
Heterophile Antibodies And Cold Hemagglutinins Extracted From Spleen in Infectious Mononucleosis And Lymphoma
(1957-04-01)An unusual opportunity was afforded us to study the antibody content of pathologic spleens from two patients who underwent splenectoamy; one for spontaneous rupture of the spleen in infectious mononucleosis and the other ... -
The Study Of Phagocytosis
(1958-04-01)The word phagocytosis has a colorful etymology. It comes from two Greek words--phageim, to eat; and kytos, cell, therefore an eating cell. These cells have also been figuratively referred to as "the policeman of the ... -
The Sunshine Vitamin
(1958-04-01)The discovery of the fourth vitamin, vitamin D has been of the greatest importance to the medical profession as well as to mankind, because it has brought about the solution of the century-old problem of the cause and ... -
Variation In Morphology And Number Of The Blood Platelets In Disease And The Subsequent Effect On Rate And Extent Of Clot Retraction
(1958-04-01)Rate and extent of clot retraction are determining factors in either causing or preventing damage in vivo and are in vitro useful in diagnosis of various diseases. In clinical medicine the importance of clot retraction has ... -
Type Specific Antigenicity Within A Single Species Of Bacteria, Using Type II and Type III Diplococcus pneumoniae
(1959-04-01)Antigenicity, the property of an organism or molecule to stimulate the production of specific antibodies upon its introduction into an animal body, is one of the most vital phenomena in nature to aid in the survival of a ... -
The Preparation Of Photomicrographs As A Visual Aid To The Study Of Embryology
(1959-04-01)The recent expansion of the field of photomicrography has been a great help to today's biologist. With the photomicrograph the student of biology can more easily grasp biological details. However, some fields of biology ... -
The Effects Of Colchicine on Limb Regeneration In Amphibians
(1959-04-01)Self-repair characterizes all protoplasm.Every species of animal is capable, at least to some degree, of replacing lost body parts, and in most cases, do so with unvarying accuracy. Either in part or in whole, the new ... -
A Comparison Of The Viability Of Streptococcus Lactis After Freeze Drying From Blood Serum And Skim Milk
(1959-04-01)The process of freeze drying has been successfully used to preserve bacterial cultures over long periods of time. This process assures no alteration of the biological characteristics, either physical or chemical, of the ... -
Electrode Implantation in the Brain of the Albino Rat
(1959-04-01)I informed Dr. J. J. Manion in the spring of 1958 that I would like to write a thesis. I preferred to include psychology as I believe psychology is an important phase of modern medicine. Doctor Manion referred me to ...