lect 5 pelvis (urinary system-pelvic portion)

Question 1

what are the places that the ureters are normally constricted

Answer 1

at the junction of the ureters and renal pelves, where the ureters cross the brim of the pelvic inlet, during their passage through the wall of the urinary bladder

Question 2

what are the inferior ends of the ureters surrounded by

Answer 2

vesical venous plexus

Question 3

what is the only structure in males that passes between the ureter and the peritoneum

Answer 3

ductus deferens

Question 4

describe the relationship between the ureter and the ductus deferent

Answer 4

it lies posterolateral to the ductus deferens and enters the posterosuperior angle of the bladder, just superior to the seminal gland

Question 5

what is the urinary bladder characterized by

Answer 5

distensibility

Question 6

where is the adult urinary bladder located when it is empty

Answer 6

in the lesser pelvis, lying partially superior to and partially posterior to the pubic bones

Question 7

where is the urinary bladder located in infants and young children

Answer 7

in the abdomen even when empty

Question 8

at what age does the bladder usually enter the greater pelvis

Answer 8

by 6 years of age

Question 9

when does the bladder become located within the lesser pelvis

Answer 9

not until after puberty

Question 10

how is the fundus of the bladder and the rectum separates in males

Answer 10

centrally by only the fascial rectovesical septum and laterally by the seminal glands and ampulla of the ductus deferens

Question 11

what are the walls of the bladder chiefly composed of (muscle)

Answer 11

detrusor muscle)

Question 12

what is the main arterial supply to the bladder

Answer 12

branches of the internal iliac arteries

Question 13

what arteries supply the anterosuperior parts of the bladder

Answer 13

superior vesical arteries

Question 14

what arteries supply the fundus and neck of the bladder

Answer 14

inferior vesical arteries

Question 15

where does lymph from the superolateral aspects of the bladder pass to

Answer 15

external iliac lymph nodes

Question 16

where does the lymph from the neck and fundus of the bladder drain

Answer 16

internal iliac lymph nodes

Question 17

what provides motor innervation to the detrusor muscle

Answer 17

parasympathetic fibers

Question 18

what type of sensory fibers are from the bladder

Answer 18

visceral

Question 19

what does rupture of the superior part of the bladder frequently tear

Answer 19

the peritoneum, resulting in extravasation (passage) of urine into the peritoneal cavity

Question 20

what provides an exit for semen

Answer 20

urethra

Question 21

what is the most prominent feature of the prostatic urethra

Answer 21

urethral crest

Question 22

what is the rounded eminence in the middle of the urethral crest with a slit-like orifice that opens into the prostatic utricle

Answer 22

seminal colliculus

Question 23

what is the prostatic utricle the vestigial remnant of

Answer 23

the embryonic uterovaginal canal

Question 24

what are the 2 proximal parts of the urethral arterial supply

Answer 24

branches of the inferior vesicle and middle rectal arteries

Question 25

where is the external urethral orifice located in females

Answer 25

in the vestibule, directly anterior to the vaginal orifice

Question 26

describe the location and axis of the urethra in reference to the vagina

Answer 26

urethra lies anterior to the vagina and its axis is parallel to that of the vagina

Question 27

what female structure is homologous to the prostate in males

Answer 27

paraurethral glands

Question 28

what supplies arterial blood to the female urethra

Answer 28

internal pudendal and vaginal arteries

Question 29

what is the nervous supply to the urethra

Answer 29

arise from the vesicle (nerve) plexus and the pudendal nerve