Results 221 to 230 of about 132,738 (254)

Elevated Maintenance Costs in an Anuran (Rana catesbeiana) Exposed to a Mixture of Trace Elements during the Embryonic and Early Larval Periods

Physiological Zoology, 1998
C. L. Rowe, Owen M. Kinney, R. Nagle, J. Congdon   +3 more
semanticscholar   +1 more source

Changing respiratory importance of gills, lungs and skin during metamorphosis in the bullfrog Rana catesbeiana.

Respiration Physiology, 1982
Warren W. Burggren, Nigel H. West
semanticscholar   +1 more source

Seasonal and stress related changes in plasma gonadotropins, sex steroids, and corticosterone in the bullfrog, Rana catesbeiana.

General and Comparative Endocrinology, 1983
P. Licht, Brian R. McCreery, R. Barnes, Raymond Pang   +3 more
semanticscholar   +1 more source

Vocalization, Aggressive Behavior, and Territoriality in the Bullfrog, Rana catesbeiana

, 1969
T. Wiewandt
semanticscholar   +1 more source

ERYTHROPOIESIS DURING AMPHIBIAN METAMORPHOSIS

Journal of Cell Biology, 1971
exaly   +4 more sources

HELMINTH COMMUNITIES IN BULLFROGS (RANA CATESBEIANA), GREEN FROGS (RANA CLAMITANS), AND LEOPARD FROGS (RANA PIPIENS) FROM NEW BRUNSWICK, CANADA

, 1997
D. Mcalpine
semanticscholar   +1 more source

Hemoglobin synthesis during amphibian metamorphosis. I. Chemical studies on the hemoglobins from the larval and adult stages of Rana catesbeiana.

Journal of Molecular Biology, 1968
Bernard Moss, V. M. Ingram
semanticscholar   +1 more source

The ventral skin of Rana Catesbeiana

2020
openaire   +1 more source

Sound localization in anurans. I. Evidence of binaural interaction in dorsal medullary nucleus of bullfrogs (Rana catesbeiana).

Journal of Neurophysiology, 1976
A. Feng, R. R. Capranica
semanticscholar   +1 more source

Sequential up-regulation of thyroid hormone β receptor, ornithine transcarbamylase, and carbamyl phosphate synthetase mRNAs in the liver ofRana catesbeiana tadpoles during spontaneous and thyroid hormone-induced metamorphosis

Genesis, 1992
Caren C Helbing
exaly