𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The photokinetic reactions of frog tadpoles

✍ Scribed by Cole, William H. ;Dean, Carleton F.

Publisher
John Wiley and Sons
Year
1917
Tongue
English
Weight
483 KB
Volume
23
Category
Article
ISSN
0022-104X

No coin nor oath required. For personal study only.

πŸ“œ SIMILAR VOLUMES

Hypertrophy of the islets of Langerhans
Hypertrophy of the islets of Langerhans of frog tadpoles after partial pancreatectomy
✍ Frye, B. E. πŸ“‚ Article πŸ“… 1965 πŸ› John Wiley and Sons 🌐 English βš– 553 KB

Subsequent to incomplete surgical removal of the dorsal pancreatic rudiment of Rana pipiens embryos, islets of Langerhans arise in the pancreas, but in smaller amount than normal. Conpensatory hypertrophy of the beta cells occurs, and the islets are transformed from a larval into an adult histologic

The tail-darkening reaction of phyllomed
The tail-darkening reaction of phyllomedusine tadpoles
✍ Bagnara, Joseph T. πŸ“‚ Article πŸ“… 1974 πŸ› John Wiley and Sons 🌐 English βš– 334 KB

## Abstract A tail‐darkening reaction is described for tadpoles of the phyllomedusine frogs, __Agalychnis dacnicolor__ and __Phyllomedusa trinitatus__. Tails are pale in the light because melanophores in the dermis of the fin are punctate. In darkness the melanophores become dendritic and the tail

Independence of ovarian masculinization
Independence of ovarian masculinization and hypothyroidism in frog tadpoles after methimazole treatment
✍ HsΓΌ, Chin-yΓΌn ;Huang, HsΓΌ-Cheng ;Chang, Chieng-HsΓΌn ;Liang, HsΓΌ-Mu πŸ“‚ Article πŸ“… 1974 πŸ› John Wiley and Sons 🌐 English βš– 529 KB

## Abstract This work aims to clarify whether methimazole‐induced sex transformation in tadpole ovaries is due to the goitrogenic property of the drug as some authors have suggested. Intact, thyroidectomized, and hypophysectomized female tadpoles of __Rana catesbeiana__ were reared in 0.005% methim