Chapter 42.5, Problem 1CYL

Summary Introduction

To describe:

The human embryonic development from fertilization to birth.

Introduction:

The development of humans is controlled in a manner by the same mechanisms that are responsible for controlling the other animal’s development. Thus, the development of humans strongly depicts the evolutionary heritage.

Summary Introduction

To determine:

The structure and function of the placenta.

Introduction:

At the time of the first few days after implantation, there is the utilization of nutrients from the uterus endometrium directly. Thus, during the following week, there is the initiation of the development of placenta from interlocking structures that are produced by the endometrium and embryo.

Summary Introduction

To determine

The name and description of the hormones involved in the production of milk and secretion.

Introduction:

At the time of pregnancy, there is the production of large quantities of hormones by the placenta. These hormones are also responsible for producing the milk in breasts and their secretion.