Block 5: Male Reproductive Phys. Flashcards
What is the testes?
Primary sex organ; produce gametes (sperm) and deliver then is a system of ducts (epididymis, ductus deferens, ejaculatory duct, and urethra)
Wha is the scrotum?
Houses testes
What is the penis?
Copulatory organ designed to deliver sperm into female reproductive tract
What is the glans penis?
Enlarged tip of penis
What is the foreskin?
Cuff of skin surrounding glans penis
What is the bulbo-urethral glands?
Produce a thick, clear mucus that lubricates the glans penis when a man becomes sexually excited
What is the epididymus?
Stores sperm; site from where sperm are ejaculated
What is the ductus deferens?
Receives sperm from epididymis; joins with duct of seminal gland to form the short ejaculatory duct. Ligated with vasectomy
What is the ejaculatory duct?
Enters into the prostate where it empties into the urethra
What is the seminal gland?
Accessory glands; produce fluid that increases sperm motility or fertilizing ability
WHat is the prostate gland?
Accessory gland; produces prostatic secretion
What is semen?
Milky white, somewhat sticky mixture of sperm, testicular fluid, and accessory gland secretions
What is difference between erection and ejaculation? What controls it?
Erection: enlargement and stiffening of penis (PNS and NO)
Ejaculation: Propulsion of semen from the male duct system (SNS)
What should a normal prostate gland look like?
- Donut-shaped and surrounds the urethra.
- Size of a walnut.
- Located underneath bladder and in front of rectum
What is the main function of the prostate?
To produce seminal fluid (prostate specific antigen_ necessary for ejaculation
What is prostate specific antigen?
Protein that helps liquify semen and assists in sperm motility
What is BPH?
Benign prostatic hyperplasia: Nonmalignant enlargement of the prostate normal with aging