NATS 1675 Lecture Notes - Lecture 6: Human Reproduction, Ejaculatory Duct, Vas Deferens
27 Sep 2016
School
Department
Course
Professor
Document Summary
Nats 1675 week 4 - male and female reproductive systems. Gametes combine to form a new life. Meiosis: only occurs in the gonads (ovaries or testes, only occurs to produce sperm or eggs. Meiosis 1 duplicated homologous pair line up to form tetrads and exchange some genetic material, then separate (reduction division) Produce, nourish and store sperm: deliver sperm to the vagina. Transport of menstrual fluid out of the body. Sperm travel through the vas deferens to the ejaculatory duct. Seminal vesicles at the base of the bladder pair of glands produce a fluid that nourishes sperm, and assists movement of sperm once in the female reproductive tract. Prostate gland produces alkaline secretions that activate sperm and reduce the acidity of the male and female reproductive system. Bulbourethral glands pair of glands produce a mucous secretion before ejaculation that neutralizes acidic urine in the urethra contribute secretions that make the seminal fluid gelatinous, and lubricate the penis for intercourse.
