howMed Know Yourself
THE URINARY SYSTEM THE KIDNEYS, which excrete urine THE URETERS, which convey urine from the kidneys to the urinary bladder … Read More »
FETAL MEMBRANES IN TWINS and PRETERM BIRTH
n Dizygotic/Fraternal twins (womb- mates) – 7-11 / 1000 births – By fertilization of two oocytes shed simultaneously – Hereditary … Read More »
Amnion, Umblical Cord and Amniotic Fluid
1) The amnio-ectodermal junction is the primitive umbilical ring. 2) Following structures pass through the ring at the … Read More »
PLACENTA
INTRODUCTION In vertebrate embryo, only part of egg forms the actual embryo while other part is known as the extra … Read More »
3rd Week of Development: Trilaminar Germ Disc
1) Gastrulation •It is the formative process by which three germ layers, which are precursors of all embryonic tissues, and … Read More »
Fertilization and Male Gametes
Fertilization • The process by which male and female gametes fuse to give rise to a zygote. • Occurs in … Read More »