THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.

Detailed explanation-2: -Egg is collected by the fimbriae of the infundibulum. Egg is pushed by ciliated columnar epithelial cells to the ampullary region. Fertilisation takes place in the ampullary region of the fallopian tube.

Detailed explanation-3: -Fertilization occurs at ampulla isthamus junction due to paracrine signalling from tryosine kinase and lactoferrin which is instrumental in combining sperm with ovum.

Detailed explanation-4: -The life of mammals begins at fertilization when sperm and egg meet in the oviductal ampulla of the female reproductive tract. Gametic fusion begins with membrane binding and can be visualized by sperm internalization that happens within minutes to hours of gamete mixing.