Morphogenesis of the pronephros of the leopard frog (Rana pipiens)
โ Scribed by Oscar Charles Jaffee
- Publisher
- John Wiley and Sons
- Year
- 1954
- Tongue
- English
- Weight
- 1004 KB
- Volume
- 95
- Category
- Article
- ISSN
- 0362-2525
No coin nor oath required. For personal study only.
โฆ Synopsis
Although the anuran pronephros has been the subject of numerous investigations, its entire developmental history has never been worked out in a single species. The average textbook account can readily be noted to have been assembled from studies on a number of forms. The present account, dealing with Ravla pipiems, a species not previously described, 'This work was carried out as part of a thesis siibniitted to the Faculty of a Contribution number 528 from the Zoological Lahouatories, Indiana Unirersity. Indiana University in partial fulfillment of the Doctor of Philosopliy degree.
๐ SIMILAR VOLUMES
## T W O FIGURES The cellular transport of phenol red has been demonstrated in mesonepliric and inetanephric kidneys, and the metabolic processes involved in the transport meclittiiism analyzed. The present report deals with phenol red transport in the pronephros. Since the pronephros is the init
As a part of studies on the reproduction of laboratory maintained frogs, wild-caught Rana pipiens were ovulated and maintained a t 22-27ยฐC for up to 18 months. Vitellogenic oocytes were periodically staged and counted, and a "maturity index" was calculated to assess the progress of the vitellogenic