Medicine and Health Sciences Commons^™

Time-Related Changes In Rat Androgen Binding Protein Following A Sterilizing Dose Of 3-Chloro-1, 2-Propanediol, Shirley J. Stein

Masters Theses

Androgen binding protein (ABP) is produced by the Sertoli cell, regulated by FSH and androgens, secreted into the testicular fluid, and transported into the caput epididymis where it is thought to play a role in sperm maturation. In this study, the response of ABP to a lesion created chemically by administration of a single, oral 60 mg/kg dose of alpha-chlorohydrin was examined in ninety day old male rats. Total testicular ABP content increased progressively for four days after treatment and there after declined whereas, epididymal ABP concentration decreased immediately. Serum testosterone showed no significant variation from controls, however, serum FSH …

An In Vitro Study Of The Effects Of 17Β Estradiol On A Possible Atherosclerotic-Causing Enzyme, Xanthine Oxidase, Peter E. Malo

Masters Theses

No abstract provided.

The Effects Of Body Size, Hair And Brown Adipose Tissue Upon Fever In The Rabbit, Reginald L. Dean

Masters Theses

No abstract provided.

The Effect Of Prostaglandins And Aspirin On Insulin Release From Isolated Normal Rat Islets, Barbara Ann Hopps

Masters Theses

No abstract provided.

An Investigation Into The Nature Of Action Of The Hyperglycemic Factor Present In The Suprapharyngeal Ganglia Of Lumbricus Terrestris, Bruce M. Taylor

Masters Theses

No abstract provided.

Inhibition Of Gastric Secretion And Ulcer Formation By Lithium Chloride In The Rat, Thomas H. Adair

Masters Theses

No abstract provided.

Progesterone And Cortisol In The Hamster: Their Role In Parturition, As Well As The Growth And Lactogenesis Of The Mammary Glands, Anne Christine Flook

Masters Theses

No abstract provided.

An Investigation Of The Behavioral Effects Of Methylphenidate Hydrochloride On Schedule-Induced Polydipsia In Rats, Linda Sederquist Smith

Masters Theses

The influence of methylphenidate hydrochloride injections on six male Charles River rats displaying schedule induced polydipsia was examined in this study. Bar pressing, licking, and water consumption were measured during a total of 63 daily one hour trials conducted with a variable interval 60-second schedule of bar pressing for pellets with water constantly available. The polydipsic response was acquired by subjects during the first 28 trials. Subjects were then divided into experimental and control groups. The experimental subjects recieved a 1 mg/kg injection of methylphenidate prior to regular trials 29-49 and extinction trials 50-63. Control subjects were injected with a …

Treflan And The Oxygen Consumption Of Green Sunfish (Lepomis Cyanellus), Barbara Jo Warner

Masters Theses

Oxygen consumption rates of 51 green sunfish (Lepomis cyanellus, Rafinesque) were monitored over five hours exposure to Treflan E.C. concentrations of 0, 0.32, 0.56, 1.0, and 2.0 ppm. There was a great variation in the responses of the fish at each concentration; and Student's t-tests revealed no significant differences. However, graphs of the mean hourly oxygen consumption rates showed certain trends. During the fifth hour of exposure, there appears to be an acclimation to the Treflan at concentrations of 0.32 and 0.56 ppm; but no such acclimation at the higher concentrations of 1.0 and 2.0 ppm. Hourly oxygen …

Parasites Of Channel Catfish In Illinois Hatcheries, Charles Dale Meryman

Masters Theses

Ninety channel catfish (Ictalurus punctatus) were trapped during September 1973 through April 1974 at three hatcheries located at Worden, Centralia, and Kinmundy, Illinois. All were examined for parasites and 87 were parasitized. The trematodes Azygia angusticauda and Neascus sp. were found in the gastrointestinal system and Cleidodiscus floridanus and Dactylogyrus sp. were attached to the gills. Five cestode genera, including Bothriocephalus sp., Corallobothrium giganteum, Eubothrium sp., Haplobothrium sp., and Proteocephalus ambloplitis were present. Rhabdochona sp. was the only nematode found. Protozoans; Costia sp., Myxobolus sp., Scyphidia macropodia and Trichodina discoidea and one kind of glochidium were observed. …

Pesticide Residues In The Illinois Wild Turkey, John M. Bridges

Masters Theses

Adipose tissue from 55 turkeys, killed during the 1974 hunting season in southern Illinois, was grouped by age and location of the birds, and the pesticide concentrations in them were determined by gas/liquid chromatography. Twelve different pesticides were identified in the samples with only four, total DDT, heptachlor epoxide, toxaphene, and linuron, being present in all samples. Concentrations ranged from 0.02 ppm to 0.88 ppm.

Metabolic Abnormalities In Liver And Pancreas Of A Diabetic (Toronto-Kk) Strain Of Mouse, Michael Clayton Appel

Masters Theses

No abstract provided.

A Study Of Regulation Of Oxidative Metabolism By Substances Present In The Suprapharyngeal Ganglia And Ventral Nerve Cord In Lumbricus Terrestris, Mary Peremuh

Masters Theses

No abstract provided.

The Influence Of Nicotine On The Effect Of Secretin On Gastric Secretion In The Rat And Dog, Donald H. Currie

Masters Theses

No abstract provided.

Seasonal Variation In The Tubular And Interstitial Areas Of The Testes In Sternotherus Odoratus L., Robert Hans Spaet

Masters Theses

Seasonal changes within the tubular and interstitial areas of the testes in Sternotherus odoratus are investigated, histologically and histochemically. Forty specimens were collected in Illinois, Tennessee and Louisiana between May, 1969 and August, 1972.

Many of the histological and macroscopic observations made by Risley (1938) on the spermatogenic cycle of S. odoratus in Michigan are confirmed. Contrary to his findings, fluctuations in interstitial cell nuclear diameters are observed during spermatogenesis. Greatest diameters coincide with what Risley has considered " . . . period of most active breeding." Sertoli cell nuclear diameters undergo similar fluctuations being greatest during spring breeding and …

The Effects Of Acute Stress On Adrenal Ascorbic Acid Levels, Robert Joseph Collier

Masters Theses

The diurnal rhythm of adrenal ascorbic acid (DAR) displays an inverse relationship to the diurnal rhythm of circulating levels of plasma corticosteroids. Alloxan monohydrate, 175 mg/kg body weight was given subcutaneously to albino rats to determine the effect of the diabetic state on the DAR. A total of 200 female albino rats were divided into two study groups. Study Group I was composed of 150 animals divided into populations of 15, each including 3 controls. Study Group II was composed of populations of 5, each group containing all controls or all alloxinated rats. The populations of 15 were sacrificed at …

The Effects Of Crowding On The Diurnal Ascorbic Acid Levels Of Albino Rats, Mary Jo Barr

Masters Theses

The adrenal physiology of the albino rat was studied through the measurement of adrenal ascorbic acid levels. A cyclic phenomenon was observed which follows the diel periodicity of the animal. Ascorbic acid values were found to be characteristically higher in males than in females. A similar difference was also seen in populations divided into young animals (body weight less than 175 grams) and old animals (body weight greater than 175 grams). Crowding, induced by manipulating the area of cage space per gram of body weight, was observed to be a definite stressor and caused the adrenal ascorbic acid levels to …

Thyroid And Ldh Activity In Coho Salmon From West Coast And Lake Michigan Regions, Robert A. Drongowski

Masters Theses

No abstract provided.

Ovum Transport In Rabbits Injected With Prostaglandin E1 Or F2Α, James Vernon Ellinger

Masters Theses

No abstract provided.

Daily Patterns Of Oxygen Consumption In Limnodrilus Hoffmeisteri, Thomas Charles Beck

Masters Theses

No abstract provided.

A Study Of Thoracic Skeletomusculature In Peracarida (Crustacea), Donna R. Gill

Masters Theses

Two species of peracarid malacostracans, a mysid, Neomysis americana, and an oniscid isopod, Trachelipus cf. rathkei, were used to study the skeletomusculature system. Serial sections, whole mounts, and gross dissections were made. Coxal promotors and remotors and basal adductors and abductors were the muscle groups examined.

The promotor and remotor muscles of N. americana were found to be numerous, well developed, taking origin primarily from the dorsal thoracic wall, and extending nearly ventrally to insert in the coxa; the adductor muscle and two abductor muscles are weakly developed. The coxa in T. cf. rathkei is incorporated completely …

Peripheral Blood Changes In Canada Geese And The Reproductive Condition Of Three Michigan Flocks, William B. Potter

Masters Theses

No abstract provided.

In Vitro Hypothalamic Stimulation Of Fsh Synthesis And Release In Anterior Pituitaries From Five- And Twenty-Five-Day-Old Female Rats, James A. Dibbet

Masters Theses

No abstract provided.

Immunological And Reproductive Responses In The Male Rat Following Challenge With Homologous Or Autologous Sperm, James M. Andress

Masters Theses

No abstract provided.

The Biodegradability Of Detergents And The Effects Of Biodegradable Detergents Upon Root Elongation Of Certain Plants, Nancy Lou Bishop

Masters Theses

The effects of three biodegradable detergents upon root elongation of Cucumis sativus and Avena sativa was determined. All three detergents inhibit root elongation; the degree of inhibition depends on the brand of detergent and the species tested. Contact of the detergents with a sandy-loam results in reversal of inhibition of root elongation; the degree of reversal varies with detergent and species. However, reversal after 48 hours contact with soil does not appear to be due to degradation by microorganisms. Effects of aeration and of pH on test solutions are discussed.

The Comparative Morphology Of The Female Gonads Of Two Members Of The Nematode Order Tylenchida, Owen G. Coker

Masters Theses

No abstract provided.

The Role Of The Suprapharyngeal Ganglia Of Lumbricus Terrestris In Respiratory Metabolism, John D. Nelson

Masters Theses

No abstract provided.

A Survey Of The Incidence Of Salmonellosis In Three Groups Of Wild Animals, James T. Heiberger

Masters Theses

No abstract provided.

A Study Of Blood Constituent Levels And The Influence Of Certain Environmental Factors Upon Them In The Wild Mallard Duck, Christopher Louis Schatte

Masters Theses

No abstract provided.

The Effect Of Pregnancy And Lactation On Steroid-Induced Ulcers In The Rat, Paul A. Kelly

Masters Theses

No abstract provided.