Titlebook: Experimental Studies of Amphibian Development; Ernst Hadorn Textbook 1974 Springer-Verlag Berlin Heidelberg 1974 Regeneration.biology.cell

deciduous

聾子

贊美者

LAITY

MOAT

Concerto

Exposure

,A Newt with a Frog’s Mouth,rby objects. The tadpoles of anurans (tailless or frog-like amphibians) can anchor themselves to plants, rocks or even the film on the water’s surface with the aid of an adhesive secretion from a pair of bowl-shaped suckers (., Fig. 26b). In the larvae of the urodeles (tailed amphibians) this attach

令人不快

保守

吹牛大王

The Male Toad as Mother, Bidder’s organ (.). Nearby, and readily apparent, is the embryonic oviduct (.), still intact. If the testes of this animal are now surgically removed, an impressive sexual transformation results from the castration (Fig. 33 b). Bidder’s organ develops promptly into a functional ovary (.), and durin