POSTIMPLANTATION DEVELOPMENT Part of “CHAPTER 107 – CONCEPTION, IMPLANTATION, AND EARLY DEVELOPMENT“ Development after implantation is rapid and complex. The embryo must establish both its placental compartment and its definitive…
IMPLANTATION Part of “CHAPTER 107 – CONCEPTION, IMPLANTATION, AND EARLY DEVELOPMENT“ The embryo now undergoes implantation, which begins with attachment of the late blastocyst to the uterine tissue at a…
X CHROMOSOME INACTIVATION Part of “CHAPTER 107 – CONCEPTION, IMPLANTATION, AND EARLY DEVELOPMENT“ In eutherian females (placental mammals, i.e., other than monotremes and marsupials), one of the two X chromosomes…
OVIDUCT TRANSPORT Part of “CHAPTER 107 – CONCEPTION, IMPLANTATION, AND EARLY DEVELOPMENT“ The role of oviduct transport in the maturation of the mammalian embryo is poorly understood. It is reasonable…
PREIMPLANTATION DEVELOPMENT Part of “CHAPTER 107 – CONCEPTION, IMPLANTATION, AND EARLY DEVELOPMENT“ The preimplantation period of development in mammals, the time from conception to nidation (implantation), has variable lengths in…
SPERM CAPACITATION AND FERTILIZATION Part of “CHAPTER 107 – CONCEPTION, IMPLANTATION, AND EARLY DEVELOPMENT“ The relatively thick and rigid structure that invests the mammalian egg, called the zona pellucida, has…
OOCYTE MATURATION Part of “CHAPTER 107 – CONCEPTION, IMPLANTATION, AND EARLY DEVELOPMENT“ Oocyte maturation in mammals proceeds from the development of a differentiated gonadal ridge in the fetus. For example,…
PATHOPHYSIOLOGY Part of “CHAPTER 106 – MORPHOLOGY OF THE NORMAL BREAST, ITS HORMONAL CONTROL, AND PATHOPHYSIOLOGY“ Any disorder of the breast is viewed by the patient with alarm. Although, with…
CONCEPTION, IMPLANTATION, AND EARLY DEVELOPMENT Philip M. Iannaccone David O. Walterhouse Kristina C. Pfendler The hormonal milieu plays an essential role in the production of parental germ cells, the biology…
MORPHOLOGY AND HORMONAL CONTROL Part of “CHAPTER 106 – MORPHOLOGY OF THE NORMAL BREAST, ITS HORMONAL CONTROL, AND PATHOPHYSIOLOGY“ COMPARATIVE ANATOMY OF LACTATION The constituents of milk products differ widely…
