Chapter 4 - Part 2 Flashcards
What are the make external organs?
Penis
Foreskin
Scrotum
What is the glans?
tip pf penis
What is another word for the urethral opening?
Meatus
What is the meatus?
Opening at the end of the glands where fluids pass
How many corpus sporangium surround the urethra?
3
-2 on top then one on the bottom
What is the body of the penis?
The shaft
What is the corona?
Raised ridge separationg glans from the body of the penis
What is another word for foreskin?
Prepuce
-removed during circumcision (30%) world wide
Why do people get circumcized?
Cultural
Aesthetic
Religious reasons
Is there any benefit for circumciison?
No valid medical indications for circumcision
- position currently under review
- linked to STI transmission
What is the rate of circumcision in Canada?
32%
- 44% in Ontario and alberta
- less than 10% in NS and NWT
Do men who are uncircumcised have greater transmission or risk of what?
Higher risk of of UTI
Higher risk of STI transmission
-inner foreskin surface susceptible to viruses
What are the 2 kinds of male genital cutting?
Supercision (super incision): slit made the length of the foreskin not he top
Subincision: slit made on lower side of penis along its entire length
Why would adult males get a circumcision?
Phimosis: inability to retract the distal foreskin over the gland
- occurs naturally in newborns
- Inability to retract the foresking after it was previously retractible after puberty
Paraphimosis: entrapment of a retracted foreskin behind the coronal ridge
What is the male genital self image influenced by?
Cultural norms
Sexual experience
Medical conditions
What are the 2 kinds of tissue in the penis?
Corpora cavernosa- 2 spongy bodies lying on top
Corpus spongiosum- single body lying on the bottom off the penis, urethra runs through the middle of it
What is the differences between tumescence and detumescence?
Tum: Erect and engorged
Deut: is the opposite
What is the scrotum?
Loose pouch of skin, lightly covered with hair
-contains the testes
What is the cremastueric reface?
Scrotum pulls the testes closer to the body
-muscle connecting scrotum to body to regulate temp and protect viability of sperm
What is the function of testes?
Make germ cells to make sperm
Make testosterone
What are the male internal organs?
Epididymis Seminiferous tubules Interstitial cells Vas Deferens Prostate Cowpers Glands
What is the Epididymis?
Long tube coriled into a small crescent shaped region on the top and side of the testis
-stores, ripens and matures sperm
What is the Seminiferous tubules?
Long series of threadlike tubes in tests
Manufactured and store sperm
What are the Interstitial cells?
Also called lending cells
- function is to produce testosterone
- Found in the connective tissue lying between the seminiferous tubules
What is the vas deferens?
Tube that gots up and out of the scrotum and eventually passes through the prostate where it is called the ejaculatory duct
-cut during vasectomy
What are the seminal vesicles?
2 sac like structured that lie above the prostate , behind the bladder and in front of the rectum
-Produces 70% fo the seminal fluid
What is the prostate?
Lies below the bladder
Shaped and size of chestnut
-gets bigger with a ge
Secretes a milky alkaline fluid that is part of the ejaculate
What is coopers glands?
Bulbourethral gland located below the prostate and empty into urethra
secretions of pre-ejaculate and may contain sperm
