chapter 27- Reproductive System - The reproductive system is designated to The male produces gametes called The female produces gametes called The

chapter 27- Reproductive System - The reproductive system...

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The reproductive system is designated to Perpetuate the species The male produces gametes called Sperm cells The female produces gametes called Ova The joining of a sperm and ovum is Fertilization Fertilization results in the formation of a Zygote The male reproductive system includes Testis, epididymis, ductus deferens, ejaculatory duct, spongy urethra, seminal gland, prostate gland, bulbo- urethral gland The testes hang inside the Scrotum Testes descend toward the scrotum by passing through the Inguinal canals The ductus deferens, blood vessels, lymphatics, and nerves remain bundled to the testes in the Spermatic cords Scrotum is divided into Two chambers Chambers are separated by the Perineal raphe Perineal raphe can be seen as thickened tissue that extends from the Anus, across the scrotum, and along the anterior surface of the penis Serous membrane that covers the outside of each testis and covers the inside lining of each scrotal cavity is Tunica vaginalis The dermis of the scrotum contains the Dartos muscle Contraction of the dartos muscle causes Wrinkling of the scrotal surface Deep to the dermis is the Cremaster muscle Contraction of cremaster muscle tenses the Scrotal sac and pulls it closer to the body The scrotum is high vascularized by Internal pudendal arteries, external pudendal arteries, inferior epigastric arteries The scrotum has nerves from the Hypogastric plexus, ilioinguinal nerves, genitofemoral nerves, pudendal nerves A tough fibrous lining of the testes Tunica albuginea The tunica albuginea is covered by the Tunica vaginalis The tunica albuginea forms ___ going toward and converging in the area of the mediastinum of the testes septa The ___ contains ducts that transport sperm to the ductus deferens Mediastinum The septa of the testes separate the Testes into lobes
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  • Spring '08
  • wetherbee
  • Biology, sperm cells, seminiferous tubules

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