Medical Embryology Growth

Ovarian Cycle At puberty, the female begins to undergo regular monthly cycles. These sexual cycles are controlled by the hypothalamus. Gonad...

SPERMATOGENESIS Maturation of Sperm Begins at Puberty Spermatogenesis, which begins at puberty, includes all of the events by which spermato...

Near the time of birth, all primary oocytes have started prophase of meiosis I, but instead of proceeding into metaphase, they enter the dip...

Gene Mutations Many congenital formations in humans are inherited, and some show a clear mendelian pattern of inheritance. Many birth defect...

C L I N I C A L C O R R E L A T E S Birth Defects and Spontaneous Abortions: Chromosomal and Genetic Factors Chromosomal abnormalities, whic...

The Chromosome Theory of Inheritance Traits of a new individual are determined by specific genes on chromosomes inherited from the father an...

Development begins with fertilization, the process by which the male gamete, the sperm, and the female gamete, the oocyte, unite to give ris...