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Filtering by: Date issued sim 1977-12-02 Degree Field General Science

Reproductive cycle of the male newt Taricha granulosa : exogenous and endogenous regulation of plasma androgens

Creator:

Specker, Jennifer Lee

Abstract:

During a 13-month period starting in October of 1976, adult male rough-skinned newts (Taricha granulosa) were collected periodically to study seasonal changes in reproductive status. Plasma androgen concentration, measured by radioimmunoassay, is elevated during autumn and spring (about 50 ng/ml). Winter and summer levels are considerably lower (less than 10...

Resource Type:

Masters Thesis