Psychology 2075 Chapter Notes - Chapter 6: Syphilis, Lamaze Technique, Mid-Levels

• School: Western University
• Department: Psychology
• Course: Psychology 2075
• Professor: William Fisher

Document Summary

If it has not been fertilized, it disintegrates within ~48 hours. Sperm: made in the seminiferous tubules of the testes, collected and stored in the epididymis, moved through the vas deferens, travelled down the ejaculatory duct, and out through the urethra. Egg is fertilized in the fallopian tube, if it becomes fertilized, it reaches the uterus about 6 days after it has left the. Chapter 6 conception, pregnancy and childbirth ovary propelled by cilia (no means of movement, like sperm) Sperm: head (5 micrometers), midpiece, tail total length ~ 60micrometers (0. 06mm) Hyaluronidase this enzyme dissolves the zona pellucida, permitting one sperm to penetrate the egg. Typical ejaculate is about 3mililitres and contains ~200 million sperm. Sperm are capable of swimming about 1-3cm per hour. Only about 2,000 reach the tube containing the egg. Egg is surrounded by a gelatinous layer called the zona pellucida. ~36 hrs after conception, zygote begins cell division.