BSCI 201 Lecture Notes - Follicle-Stimulating Hormone, Vas Deferens, Prostatic Urethra
18 Feb 2014
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Document Summary
We start of life as bipotential (the ability to form male and/or female genitalia) 1 gene: sry gee determines male or female. Gonads produces gametes (sex cells) and secrete hormones (makes gonads endocrine glands) Determinants for male or female: if there is a smaller gamete, than it is male. If it is female, it will produce larger gametes. If one starts by creating larger gametes which takes more time, this one will start with the birthing process. Sexual reproduction involves the fusion of gametes from two parents resulting in genetic variation among offspring. Have a set of gonads where gametes are produced. Have ducts for delivery of the gonads and structures for copopulation. External genitalia allows processes to happen at lower temperature. Tunica albuginea is the capsule that surrounds each testis. Septa are the extensions of the capsule that extend into the testis and divide it into lobules. Each lobule contains one to four seminiferous tubules.
