PSY 228 Lecture Notes - Lecture 4: Ejaculatory Duct, Follicle-Stimulating Hormone, Vas Deferens
Document Summary
Powerful chemicals manufactured by the endocrine glands and secreted directly into the bloodstream. At conception, genetic information is passed on through sexual chromosomes. Transmit information to various organs causing differentiations in development. The male technically determines the sex of the offspring. 2 distinct types of sperm cells, based on their shape and size . The more acidic the vaginal uterine environment is, the more likely the gynosperm will fertilize the ovum. The more alkaline the vaginal uterine environment, the more likely the androsperm will fertilize the ovum. Factors that influence the acidity of vagina. Timing in the ovulation cycle: timing in conception of the ovulation cycle could affect acidity/alkalinity. 7th week after conception, sex chromosomes direct gonads to differentiate. Ovaries develop at about the 11th week. Mllerian ducts turn into fallopian tubes, uterus, and the pper part of the vagina. Wolffian ducts turn into the epididymis, vas deferens, and ejaculatory duct. Follicle stimulating hormone (fsh) controls sperm production.
