Chapter 5 – First Stages of Development
Abstract After completing fertilization with fusion of the pronuclei during syngamy, the zygote now has a diploid complement of chromosomes, undergoes its first mitotic division and then continues to divide…
Chapter 4 – Gamete Interaction
Abstract Mature human gametes ready for fertilization differ in their state of nuclear maturation: the spermatozoon has completed meiosis and the oocyte is arrested at metaphase II. However, both gametes…
Chapter 1 – Review of Cell and Molecular Biology
Abstract Gametogenesis, embryo development, implantation and in-vitro culture involve numerous complex pathways and interactions at the cellular and molecular level; a true understanding of their significance requires fundamental knowledge of…
Chapter 3 – Gametes and Gametogenesis
Abstract After a blastocyst has implanted in the uterus and begins to differentiate into the three primary germ layers, a special population of cells develops as primordial germ cells (PGCs)….
Chapter 2 – Endocrine Control of Reproduction
Abstract Synchrony is essential for gametogenesis and correct embryo development, and a basic knowledge of reproductive endocrinology is fundamental to understanding synchrony in reproductive physiology. Although sexual arousal, erection and…
