BIOL 2231 Lecture 2: Lab 2 Objectives (Reproduction and Development)

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Epididymis (band above testis, storage, begins male duct network) Ductus deferens (vas deferens) (thicker than epididymis, rises into pelvic cavity) Seminal vesicles (in pelvic cavity above prostate gland. Prostate gland (walnut-sized, under seminal vesicles, encircles the urethra) Rete testis (network of interconnecting tubes from seminiferous tubules) Efferent ducts (pathway for sperm from rete testis to epididymis) Ejaculatory duct (one on each side, extend medially to join urethra) Prostatic urethra (first segment of the urethra, from internal urethral orifice to prostate gland) penis) urethral orifice) Membranous urethra (second segment of the urethra, from prostate gland to base of. Spongy urethra (third segment of the urethra, from base of penis to external. Specific structure: prepuce (loose skin surrounding the glans) Corpora cavernosa (2 of them on top of the corpus spongiosum) Spermatogonia (sperm near the outside of the cell) Spermatids (sperm near the lumen of the cell) Identify the following on the ductus deferens slide:

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