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Male Reproductive
A & P 2, Dr. Cutler, GTCC
| Term | Definition |
|---|---|
| What body system is the ONLY system that does not become fully functional until puberty? | Reproductive Sytem |
| What are the primary sex organs? | -Gonads; testes (m), ovaries (f) -Gametes; sperm (m), ova (f) |
| What is the purpose of the male reproductive system? | -Transport -Introduce mature sperm into female reproductive tract -Produce |
| Scrotum means _______. | Bag |
| What divides the interior into two sacs for protection? | Scrotal Septum |
| What does the scrotal septum prevent? | Spread of infection from one testis to the other |
| What is the optimum temperature for the sperm production? | 1.1* C cooler than the body |
| What muscle is responsible for lifting/dropping the testis? | Cremaster Muscle |
| Gonads = ___ testicle | 2 |
| Testis = ___ testsicle | 1 |
| Gonads/ Testis equivalent to _______ in females. | Ovaries |
| What is the parietal and visceral layer with cavity where fluid can build up? | Tunica Vaginalis |
| What is the white fibrous capsule around testis? "White Layer" | Tunica Albuginea |
| Where are the lobules formed? | Tunica Albuginea |
| What is known as the "sperm nursery", site of sperm production, and has 1-3 tightly coiled tubules in each lobule? | Seminiferous Tobules |
| What specifically MAKES testosterone? | Interstitial Lydig Cells |
| Where does spermatogenesis occur? | Seminiferous Tubules |
| Spermatozoa = __________ | sperm |
| Spermatogonia = ___________ | Stem Cells |
| What cell is passed on to the next generation for genetic information? | Germ Cells |
| Undergo meiosis; _________ chromosome # from ____ to ____ per cell. | Reducing; 46 to 23 |
| X or Y chromosome are determined by _____. | sperm |
| What cells nourish developing sperm? (sustenance) | Sertoli cells |
| Production of Spermatozoa. | 1. Two daughter cells of meiosis 1 2. cross over 3. daughter cell mixed with genetic life 4. Meiosis 2 5. Haploid Sperm (Half X, Half Y) |
| Where can a varicocele develop? | Testicular Veins |
| What are the 4 parts of the spermatic cord? | -Vas deferens (Sperm) -Autonomic Nerve (Nerve) -Testicular Artery (O2) -Testicular Veins (Test & CO2) |
| What is the name of the procedure where a small section of vas deferens is removed from spermatic cord? | Vasectomy |
| T/F: Sperm are produced but reabsorbed by body after a vasectomy. | True |
| What are the "junior testes", and the collecting chambers for sperm? | Rete Testis |
| What is the tube that connects a testicle to a vas deferens? | Epididymis |
| Where is the final maturation completed? | Female reproductive tract (capacitation) |
| What tube receives sperm from epididymis, ascends through spermatic cord, and widens into ampulla at the end? | Vas Deferens |
| What duct is formed by joining of vas deferens and seminal vesicle? | Ejaculatory Ducts |
| What occurs just before ejaculation? | -Ejaculatory ducts eject sperm -Seminal vesicle secretions together into prostatic urethra |
| What section passes through the prostate gland? | Prostatic Urethra |
| What is surrounded by erectile tissue, and extends from bulb of one's to external urethra orifice at the end of penis? | Spongy (penile) urethra |
| What gland if 70% of semen containing fructose and clotting factor | Seminal Vesicles (2) |
| What gland is 30% of semen containing citric acid? | Prostate gland (1) |
| What gland is 1% of semen containing mucus and neutralizing acid in the penile urethra? | Bulbourethral (Cowper's) Gland (2) |
| What grows rapidly until age 30; continues to grow & about age 45, may have enlarged enough to be an issue? | Benign Prostatic Hyperplasia (BPH) |
| What is the effect of BPH on a male? | Compresses urethra, makes it difficult to pee and causes urinary retention |
| What is the typical ejaculation amount? | -1/2 - 1 teaspoon (US) -3-5mL (UK) |
| What cylinders are on either side of the penis? | Corpora Cavernosa |
| What cylinder is in the middle of the penis? | Corpus Spongiosum |
| What does it form at the end of the penis? | Glans Penis |
| What is the corpora cavernous and corpus spongiosum surrounded by? | Erectile Tissue |
| What stimulates blood sinuses to fill, increasing the size and stiffness of the penis? | Parasympathetic Nervous System (Arousal) |
| When sperm moves from testes to prostatic urethra is it known as? | Emission |
| Emmission = Erection = ___________ | Parasympathetic N. S. |
| What is known as sperm ejected from prostatic & membranous urethras to penile urethra to outside? | Ejaculation |
| Ejaculation = _________ | Sympathetic |
| What cells secrete testosterone? | Leydig Cells |
| Which chromosome causes early genital tissues to produce testosterone? | Y |
| What hormone stimulate testosterone secretion? | Luteinizing Hormone |
| What hormone stimulates spermatogenesis? | Follicle Stimulating Hormone (FSH) |
| What carries testosterone to the male body? | Testicular Vein |
| What determines the gender of a child? | Sperm ; Father |
Created by:
Angiee0412
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