The urethra

Question 1

Three parts of the male urethra

Answer 1

-prostatic -membranius -penile

Question 2

describe the prostatic urethra?

Answer 2

o Begins at bladder neck and passes through prostate gland o Receives the ejaculatory ducts and prostaic ducts o WIDEST part o MOST DISTENSIBLE PART

Question 3

describe the membranous urethra

Answer 3

o Passes through the pelvic floor and DEEP PERINEAL POUCH o Surrounded by the external urethral sphincter o NARROWEST o LEAST DISTENSIBLE PART

Question 4

Describe the penile urethra?

Answer 4

o Also known as bulbous o Ends at the external urethreal orifice (a.k.a the meatus) o Receives the bulbourethral glands proximally o In the head (glans) of the penis- the urethra dilates to form the NAVICULAR FOSSA

Question 5

what is the final dilatation of the urethra known as?

Answer 5

the navicular fossa

Question 6

catheterisation in males?

Answer 6

o More difficult as 2 angles to consider: the infrapubic and the pre-pubic angles o Pre-pubic angle can be diminished by holding the penis up during catheterization o 3 constrictions in the urethra: external urethral orifice, internal urethral sphincter, external urethral sphincter

Question 7

what is the opening of the female urethra into the perineum known as? and where is it located?

Answer 7

the vestibule located the two labia minor

Question 8

features of the female urethra

Answer 8

o Short : 4cm o Begins at tehe neck of the bladder- passes through the perineal membrane and the muscular pelvic floor.

Question 9

MALE PELVIS ANATOMY KNOW WELL

Answer 9

Question 10

INFRAPUBIC AND PRE-PUBIC ANGLES

Answer 10