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The Reproductive Physiology Of The Prosobranch Snail L̲I̲T̲T̲O̲R̲I̲N̲A̲ Ir̲R̲O̲R̲A̲T̲A̲ (Say, 1822), Michelle Elaine Bistransin
The Reproductive Physiology Of The Prosobranch Snail L̲I̲T̲T̲O̲R̲I̲N̲A̲ Ir̲R̲O̲R̲A̲T̲A̲ (Say, 1822), Michelle Elaine Bistransin
LSU Historical Dissertations and Theses
Seasonal changes in the body component indexes of Littorina irrorata were studied for a two year period. Biochemical constituents (protein, carbohydrates, and lipids) in the soft body components were analyzed for one year. Body component indexes cycled seasonally. Shell index changes may be due to the seasonal changes in the total of other indexes. All soft body components, except the foot, exhibited a seasonal cycle which was correlated with the reproductive cycle. Female Littorina irrorata appeared to exhibit a bimodal pattern of capsule deposition with the two peaks occurring in May and August. Seasonal changes in the biochemical level and …
The Functional Development Of The Adrenal-Sympathetic Nervous System In Neonatal And Adolescent Swine, Sidney Koon Hung Woo
The Functional Development Of The Adrenal-Sympathetic Nervous System In Neonatal And Adolescent Swine, Sidney Koon Hung Woo
University of the Pacific Theses and Dissertations
The development of the animal after birth is marked by complex changes. Certain periods are particularly important and have been defined as "critical periods" (Krecek, 1971). Two processes are important to the survival of the animals during these times. The process of "adaptation" involves the maturation of specific physiological systems according to the needs of the neonatal animal, and is dictated by the external environment. The process of "tolerance" renders the neonate relatively unresponsive to a stressor as compared to the adult and protects the animals from over-responding the depleting vital resources until it is physiologically mature. An example of …