The cilium is an elongated and continuous structure that spans two major subcellular
domains. The cytoplasmic domain contains a short centriole, which serves to nucleate the …

This book deals with reproduction of Amphibians belonging to three extant orders:
Caecilians, Salamanders, Frogs and Toads. Separate chapters have been written for males …

Spermatogenesis is a complicated process during which spermatogonia undergo
proliferation and divisions leading, after a series of dramatic changes, to the production of …

Although the events of spermiogenesis are commonly studied in amniotes, the amount of
research available for lizards (Sauria) is lacking. Many studies have described the …

The general anatomical characteristics of Gymnophiona have been covered by several
authors (Sarasin and Sarasin 1887-1890; Taylor 1968; Delsol et al. 1980; Wake 1986; …

Caecilians are a unique group of limbless burrowing amphibians with discontinuous
distribution. Several caecilian species are viviparous, and all practice internal fertilization. In …

Sertoli cells constitute a permanent feature of the testis lobules in caecilians irrespective of
the functional state of the testis. The developing germ cells are intimately associated with the …

Caecilians constitute an interesting group of anamniote vertebrates with several aspects of
biology that are unique. Such uniqueness has made scientists interested in caecilians divide …

Caecilians are an order of amphibians with distribution confined to several of the tropical
countries. They are subterranean animals and practice a form of internal fertilization. Several …

We investigated the structure of the male reproductive system in Ichthyophis supachaii. The
testis comprises a series of mulberry‐like lobes, each of which contains testis lobules …