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Male Reproduction
Chapter 9 Med Term
| Question | Answer |
|---|---|
| Male Sex Cell | spermatozoon, or sperm cell |
| Where does the sperm carry its nuclear hereditary material, chromosomes? | In its head region |
| What is the sperm tail made of? | Flagellum |
| How many sperm on average are ejaculated each time? | 300 million |
| fraternal twins | Twins resulting from the fertilization of separate ova by separate sperm cells |
| identical twins | Twins resulting from the fertilization of a single egg by a single sperm |
| which hormone is responsible for the bodily characteristics of the male (such as beard, pubic hair, and deeper voice). | testosterone |
| identical twins have | same placenta, separate amnion sacs, one sperm, one egg |
| fraternal twins have | separate placentas, separate amnion sacs, two eggs, two sperm |
| bulbourethral glands | Pair of exocrine glands near male urethra; Cowper glands |
| ejaculation | Ejection of sperm and fluid from male urethra |
| ejaculatory duct | Tube through which semen enters the male urethra |
| epididymis (pl.: epididymides) | One of a pair of long, tightly coiled tubes above each testis that stores and carries sperm to the vas deferens |
| erectile dysfunction | Inability of an adult male to achieve an erection; impotence |
| flagellum | Hair-like projection on a sperm cell that makes it motile |
| fraternal twins | Two infants resulting from fertilization of two separate ova by two separate sperm cells |
| glans penis | Sensitive tip of the penis; comparable to the clitoris in the female |
| identical twins | Two infants resulting from division of one fertilized egg into two distinct embryos; conjoined (“Siamese”) twins are incompletely separated identical twins |
| interstitial cells of the testes | Specialized cells adjacent to the seminiferous tubules in the testes; produce testosterone; also called Leydig cells |
| parenchymal tissue | Essential distinctive cells of an organ |
| penis | Male external organ of reproduction |
| perineum | External region between the anus and scrotum in the male |
| prepuce | Foreskin; fold of skin covering tip of penis |
| prostate gland | Exocrine gland at base of male urinary bladder; secretes fluid part of semen into urethra during ejaculation |
| scrotum | External sac that contains the testes |
| semen | Spermatozoa and seminal fluid discharged from the urethra during ejaculation |
| seminal vesicles | Paired sac-like exocrine glands that secrete fluid into the vas deferens |
| seminiferous tubules | Narrow, coiled tubules that produce sperm in the testes |
| spermatozoon (pl. spermatozoa) | Sperm cell |
| sterilization | Procedure that removes a person’s ability to produce or release reproductive cells through removal of testicles, vasectomy, or oophorectomy |
| stromal tissue | Supportive, connective tissue or an organ; stroma |
| testis (plural: testes) | Male gonad (testicle) that produces spermatozoa and testosterone |
| testosterone | Hormone secreted by interstitial tissue of the testes; responsible for male sex characteristics |
| vas deferens | Narrow tube carrying sperm from the epididymis toward the urethra; ductus deferens |
| andr/o | male |
| balan/o | glans penis |
| cry/o | cold |
| crypt/o | hidden |
| epididym/o | epididymis |
| gon/o | seed |
| hydr/o | water, fluid |
| orch/o, orchi/o, orchid/o | testis, testicle |
| pen/o | penis |
| prostat/o | prostate gland |
| semin/i | semen, seed |
| sperm/o | spermatozoa, semen |
| terat/o | monster |
| test/o | testis, testicle |
| varic/o | varicose veins |
| vas/o | vessel duct |
| zo/o | animal life |
| -genesis | formation |
| -one | hormone |
| -pexy | fixation, put in place |
| -stomy | new opening |
| Hydrocele | sac of fluid in the scrotum |
| Testicular Torsion | Twisted Spermatic Cord |
| Varicocele | Dilated spermatic veins |
| Hypospadias | Surgical repair involves exciding a portion of the prepuce, wrapping it around a catheter, suturing it to the distal part of the urethra, bringing it to the end of the penis |
| BPH | benign prostatic hyperplasia |
| DRE | digital rectal examination |
| ED | erectile dysfunction |
| GU | genitourinary |
| HPV | human papilloma virus |
| HSV | herpes simplex virus |
| PID | pelvic inflammatory disease |
| PIN | prostatic intraepithelial neoplasia |
| PSA | prostate-specific antigen |
| RPR | rapid plasma reagin |
| STI | sexually transmitted infections (diseases) |
| TRUS | transrectal ultrasound |
| TUIP | transurethral incision of the prostate |
| TUMT | transurethral microwave thermotherapy |
| TUNA | transurethral needle ablation |
| TURP | transurethral resection of the prostate |
Created by:
JoshuaB5