The capacity for sperm storage within the female reproductive tract occurs widely across all
groups of vertebrate species and is exceptionally well developed in some reptiles (maximum …

Cleidoic eggs possess very efficient and orchestrated systems to protect the embryo from
external microbes until hatch. The cuticle is a proteinaceous layer on the shell surface in …

Far from the line drawings and black-and-white photos of the past, Infectious Diseases and
Pathology of Reptiles features high-quality, color photos of normal anatomy and histology …

For over a century, research has been conducted on squamates in order to reveal how
viviparity has evolved in mammals and other vertebrates. The recent proliferation of studies …

To establish the use of eggs as biomonitoring tools for maternal body burdens, we
investigated the mother-to-egg ratio of 56 PCB, 12 OCP and 34 PBDE unique compounds …

Charles Darwin first provided a lucid explanation of how gender differences evolve nearly
140 years ago. Yet, a disconnect remains between his theory of sexual selection and the …

The two groups of archosaurs, crocodilians and birds, form an extant phylogenetic bracket
for understanding the reproductive behaviour of dinosaurs. This behaviour is inferred from …

Viviparous (live-bearing) vertebrates have evolved repeatedly within otherwise oviparous
(egg-laying) clades. Over two-thirds of these changes in vertebrate reproductive parity mode …

The developmental origins and evolutionary histories of cell types, tissues, and organs
contribute to the ways in which their dysfunction produces disease. In mammals, the nature …

Contents Once semen has been collected for artificial insemination, it is diluted into
extenders designed to prevent its deterioration over the period prior to insemination. If the …