KINESIOL 1A03 Final: Kin1A03 Final Exam Review

• School: McMaster University
• Department: Kinesiology
• Course: KINESIOL 1A03
• Professor: Krista Howarth

Document Summary

Embryonic period extends from fertilization through the eighth week of development; development of organ systems. Fetal period last 30 weeks; organ systems grow and mature. Overview: fertilization occurs within the uterine tube 12- 24 hours after ovulation: cleavage first cleavage completed about 30 hours after fertilization, morula 3-4 days after fertilization, blastocyst 4. 5-5 days after fertilization, implantation 6 days after fertilization. Merging of genetic information from sperm and secondary oocyte. Sperm swim from the vagina to the cervix using their tails. Sperm pass through the uterus and uterine tubes due to contraction of the walls of these structures. Must penetrate the corona radiata and the zona pellucida. Corona radiata zona pellucida plasma membrane of. Corona radiata penetrated due to the enzymes of the spe(cid:396)(cid:373)"s a(cid:272)(cid:396)oso(cid:373)e, alo(cid:374)g (cid:449)ith tail (cid:373)o(cid:448)e(cid:373)e(cid:374)t. Zona pellucida glycoprotein zp3 (receptor on zona pellucida) binds to the sperm; acrosomal enzymes are released to digest a path in the zona pellucida.