Index Catalog // ScholarsArchive@OSU

Courtship-induced changes in female sexual receptivity : a neuroendocrine study in an amphibian

Creator:: Propper, Catherine R.
Abstract:: This thesis describes studies that investigated 1) the effects of courtship on the neuroendocrine system of female rough-skinned newts, Taricha granulosa, and 2) whether the observed courtship-induced neuroendocrine changes affected female sexual receptivity. Sexual behaviors of female T. granulosa changed dramatically during courtship. Initially, females exhibited unreceptive behaviors to a...
Resource Type:: Dissertation

The oplophorid and pasiphaeid shrimp from off the Oregon coast

Creator:: Forss, Carl Albert
Abstract:: The 13 species of shrimps studied for this thesis were collected off the Oregon coast. The family Oplophoridae is well represented in this area. Five of the seven known genera were identified. Hymenodora frontalis, H. glacialis, and H. gracilis were described and further differentiating characters were illustrated. Other members of...
Resource Type:: Dissertation
Full Text:: Coast AN ABSTRACT OF THE THESIS OF Carl Albert Forss for the Ph. D. in Zoology (Name) Date thesis

Immunological perspectives of a host-parasite system : studies on the humoral and cellular components of Biomphalaria glabrata, New World host for Schistosoma mansoni

Creator:: Boswell, Carl A.
Abstract:: The host snail Biomphalaria glabrata and the parasitic trematode Schistosoma mansoni are valuable subjects for studies evaluating and defining immunological parameters that determine the outcome of individual host-parasite encounters. In this thesis, both soluble and cellular components of the snail's hemolymph were examined to gain insight into the basis for...
Resource Type:: Dissertation
Full Text:: mansoni AN ABSTRACT OF THE THESIS OF Carl A. Boswell for the degree of Doctor of Philosophy in Zoology

The role of luteinizing hormone-releasing hormone in the neuroendocrine control of seasonal reproduction in male rough-skinned newts, Taricha granulosa

Creator:: Zoeller, Robert T.
Abstract:: One hypothesis proposed to explain how the endocrine system controls reproductive cycles in seasonally breeding animals is that the hypothalamus undergoes seasonal changes in sensitivity to negative feedback by gonadal steroids. The result is seasonal changes in the secretion of luteinizing hormone-releasing hormone (LHRH) and gonadotropin secretion. The present experiments...
Resource Type:: Dissertation
Full Text:: for their time and energy during my program. Members include Drs. Frederick Stormshak, Robert R

Biochemical and behavioral characterization of steroid receptors in neuronal membranes

Creator:: Orchinik, Miles
Resource Type:: Dissertation
Full Text:: members Carl Schreck, Joanne Leong and Philip Brownell for constructive criticisms of grant proposals

Evolution of sodefrin precursor pheromones in salamandrid newts

Creator:: von Reis, Martha
Abstract:: An ancient pheromonal signal is found in aquatic courting salamandrids and terrestrial courting plethodontids, two highly divergent salamander families. In the aquatic courting salamandrids Cynops pyrrhogaster and C. ensicauda, the decapeptide sodefrin is cleaved from a larger 189 amino acid Sodefrin Precursor Factor (SPF) protein and released from a gland...
Resource Type:: Masters Thesis
Full Text:: receptor. Nature Neuroscience, 5, 1261-1262. Dulac, C. & Axel, R. 1995. A novel family of genes encoding

Larval settlement and juvenile group dynamics in the domino damselfish (Dascyllus albisella)

Creator:: Booth, David J. (David John), 1958-
Abstract:: Patterns of settlement of larvae and population dynamics of juveniles are poorly known for coral reef fishes. During 1987 to 1989, I studied these phenomena in the domino damselfish (Dascyllus albisella), a species endemic to the Hawaiian Islands. Larvae settle onto branching coral heads as new recruits (10-15 mm in...
Resource Type:: Dissertation
Full Text:: APPROVED: Redacted for Privacy Professor of Zoology in charge of major Redacted for Privacy Chair/ ?r

Stress and reproduction in male garter snakes

Creator:: Moore, Ignacio T.
Abstract:: Animals respond to stressful situations with increases in plasma levels of glucocorticoid stress hormones. These hormones originate from the adrenal cortex in response to stimulation of the hypothalamic-pituitary-adrenal axis. Glucocorticoids (corticosterone in reptiles) function to mobilize energy and suppress unnecessary functions until the stress passes. Among these immediately unnecessary functions...
Resource Type:: Dissertation
Full Text:: , Fred Stormshak, Carl Schreck, and Doug Derrybeny for serving on my committee as well as providing

Reproductive implications of parasitic infections and immune challenges in garter snakes

Creator:: Uhrig, Emily J.
Abstract:: Parasitic infections and immune challenges can affect host reproductive fitness and, ultimately, the evolution of host populations in a myriad of ways. The fitness implications of parasitic infections range from increased host mortality to subtle changes in reproductive investment. From alterations of behaviors, sexual signaling, and competitive ability to changes...
Resource Type:: Dissertation
Full Text:: for the results. M. L. Kent assisted with study design and R. T. Mason assisted with animal

Chronobiology of garter snakes : environmental and hormonal mechanisms mediating hibernation and reproduction

Creator:: Lutterschmidt, Deborah I.
Abstract:: Most vertebrates exhibit seasonality in many life history traits. Such seasonal rhythms are temporally organized via the transduction of environmental cues (e.g., photoperiod, temperature) into appropriate endocrine signals. However, among ectothermic vertebrates that undergo continuous winter dormancy, temperature is the only environmental cue available for synchronizing seasonal rhythms. Most intriguing...
Resource Type:: Dissertation
Full Text:: , Carl B. Schreck, and Barbara A. Shields – for their academic support and contributions to my

ScholarsArchive@OSU

Courtship-induced changes in female sexual receptivity : a neuroendocrine study in an amphibian

The oplophorid and pasiphaeid shrimp from off the Oregon coast

Immunological perspectives of a host-parasite system : studies on the humoral and cellular components of Biomphalaria glabrata, New World host for Schistosoma mansoni

The role of luteinizing hormone-releasing hormone in the neuroendocrine control of seasonal reproduction in male rough-skinned newts, Taricha granulosa

Biochemical and behavioral characterization of steroid receptors in neuronal membranes

Evolution of sodefrin precursor pheromones in salamandrid newts

Larval settlement and juvenile group dynamics in the domino damselfish (Dascyllus albisella)

Stress and reproduction in male garter snakes

Reproductive implications of parasitic infections and immune challenges in garter snakes

Chronobiology of garter snakes : environmental and hormonal mechanisms mediating hibernation and reproduction

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