Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 7 of 7 for “"Male reproductive system"”.
-
Taxionomia e morfologia de Pomacea lineata (Spix, 1827) (Mollusca, Gastropoda, Ampullariidae)
… and figures of the soft parts and shell, reproductive, digestive, excretory, respiratory, circulatory and nervous systems are given. Microanatomic studies of the male copulatory apparatus were made. The taxonomic problems related to the genus and the family names were pointed out. The …
-
Localization of P450 aromatase in sperm and estrogen receptors in the epididymal region of the rooster
… The presence of estrogen receptors (ER) in the male reproductive tract suggests that estrogen may be important for epididymal functions. This investigation was undertaken to test the hypothesis that estrogen has a role in the regulation of the male reproductive system of the rooster. Specific …
-
The Remipedia (Crustacea): A Study of Their Reproduction and Ecology
… Little has been published about their reproductive biology or ecology. The objectives of this dissertation were to investigate the reproductive biology and ecology of the remipedes inhabiting Sagittarius Cave on Grand Bahama Island, Bahamas.</p> <p>Sagittarius Cave was chosen as a study …
-
The Internal Anatomy and Histology of Adult <em>Antricola mexicanus</em> Hoffman (Acari: Argasidae)
… and histology of the respiratory, nervous, reproductive, alimentary, excretory, and circulatory systems of adult male and female <em>Antricola</em> <em>mexicanus </em>Hoffmann are described. The respiratory system has a functional ostium which appears to be controlled by hemolymph pressure. …
-
The effects of artificial and natural sweeteners on various physiological systems
… and Swheet™) sweeteners on various physiological systems. The artificial sweeteners tested in this study may be categorised into their respective groups based on their primary ingredient. The brands Canderel™ and Equal™ contain aspartame, Natreen™ and Sweetex™ consist of saccharin and Splenda™ and …
-
Obesity-Induced Alterations in Sperm Quality, Testicular Morphology, and Extracellular Vesicle Localisation in Male Mice
Background: Infertility is a recognised reproductive health issue affecting individuals worldwide. An increase in male infertility has been reported, with concurrent evidence of declining semen quality. Obesity is a major contributor to infertility, with obese men presenting with decreased …
-
The effects of green tea, green rooibos and their major flavonoids (EGCG and aspalathin) on testicular cell health in vitro
The testes play a central role in the male reproductive system, as they represent the sites of male sex steroidogenesis and of spermatogenesis. Leydig cells, located at the testicular interstitium, produce predominantly testosterone upon stimulation with either chorionic gonadotropin (CG) or …