Angiology

Question 1

What are the branches of the abdominal aorta?

Answer 1

Testicular/ovarian A, inferior mesenteric, median sacral, common iliac A

Question 2

What does the ovarian A supply?

Answer 2

Branches into ovarian and tubular branches that supply ovary and uterine tubes

Question 3

Describe the superior rectal A

Answer 3

Branches of the IMA to supply the superior aspect of the rectum
Anastomoses with middle and inferior rectal A

Question 4

Describe the superficial and deep external pudendal A

Answer 4

Branch of the femoral A (from external iliac) and produce anterior scrotal (male) and anterior labial A (female) which supply the scrotum and labia majora

Question 5

Which arteries are part of the anterior division of the internal iliac A?

Answer 5

Umbilical A, obturator, inferior vesical (male), uterine (female), vaginal, middle rectal, inferior gluteal, internal pudendal arteries

Question 6

What does the internal iliac supply?

Answer 6

Pelvic organs, gluteal muscles and perineum

Question 7

What does the superior vesical A supply?

Answer 7

Branches off umbilical A to supply superior aspect of urinary bladder

Question 8

What does the obturator A supply?

Answer 8

Pelvic muscles, ilium, femoral head, muscles of medial thigh

Question 9

What does the inferior vesical A supply?

Answer 9

Seminal vesicles, prostate gland, ductus deferens, ureters, urinary bladder
Analogous to vaginal A in female
Branches into prostatic branch and artery to ductus deferens

Question 10

Describe the uterine A

Answer 10

Travels medially in the broad L of the uterus 
Supplies uterus, uterine tubes, ovaries and ureters 
Homologous to artery of ductus deferens 
Has vaginal (vagina and cervix), ovarian and tubular branches

Question 11

What does the middle rectal A supply?

Answer 11

Inferior rectum, anal canal and seminal vesicles in males

Question 12

What are the terminal branches of the anterior division of the internal iliac?

Answer 12

Inferior gluteal and internal pudendal

Question 13

What does the inferior gluteal A supply?

Answer 13

Coccygeus, three levator ani muscles, piriformis, quadratus femoris, upper most posterior thigh muscles, gluteus maximus, sciatic N

Question 14

What is the course of the internal pudendal A?

Answer 14

Exits pelvic cavity through greater sciatic foramen turns around Ischial spine and enters perineum through lesser sciatic foramen before entering the pudendal canal

Question 15

What are the branches of the internal pudendal A?

Answer 15

Both: inferior rectal and perineal A
Males: artery of bulb of penis, deep A of penis, dorsal A of penis
Females: artery of vestibule of vagina, deep A of clitoris and dorsal A of clitoris

Question 16

What does the inferior rectal A supply?

Answer 16

Distal anal canal

Question 17

Describe the perineal A

Answer 17

Exits pudendal canal and enters superficial perineal space
Terminal branches: posterior sacral A and posterior labial A both traveling in superficial fascia of scrotum/labia majora

Question 18

What does the A of bulb of penis supply?

Answer 18

Pierces perineal membrane to supply bulb of penis and bulbourethral gland
Analogous to A of vestibule of vagina in females

Question 19

What does the deep A of penis supply?

Answer 19

Terminal branch of internal pudendal A

Pierces perineal membrane to enter and supply corpora cavernosa of penis

Question 20

What does the dorsal A of the penis supply?

Answer 20

Terminal branch of internal pudendal
Pierces perineal membrane, passes through suspensory L of penis, travels on dorsum of penis, and supplies skin of the penis and erectile tissue

Question 21

What does the A of the vestibule of vagina supply?

Answer 21

Pierces perineal membrane
Supplies vaginal vestibule and greater vestibular gland
Analogous to A of bulb of penis

Question 22

What does the deep A of the clitoris supply?

Answer 22

Terminal branch of internal pudendal A

Pierces terminal membrane to enter and supply the clitoris

Question 23

What does the dorsal A of clitoris supply?

Answer 23

Terminal branch of internal pudendal

Piercers perineal membrane and supplies skin over the clitoris and erectile tissue

Question 24

Which branches are part of the posterior division of the internal iliac?

Answer 24

Iliolumbar, lateral sacral A and superior gluteal A

Question 25

Describe the iliolumbar A

Answer 25

Enters iliac fossa and branches into iliac and lumbar branches
Iliac branch supplies ilium and iliacus M
Lumbar branch supplies the psoas major and quadratus lumborum M

Question 26

Describe the lateral sacral A

Answer 26

Travels on Anteromedial aspect of piriformis sending branches into the ventral sacral foramina
Supplies piriformis, structures in sacral canal and erector spinae muscles

Question 27

What does the superior gluteal A supply?

Answer 27

Exits pelvic cavity through GSF Superior to piriformis M

Supplies piriformis, gluteus maximus, gluteus medius, minimus, and tensor fascia latae M

Question 28

What is the pampiniform venous plexus?

Answer 28

Inside spermatic cord Drains to testicular V

Inside the suspensory L of the ovary drains to ovarian V

Question 29

What is the internal rectal venous plexus?

Answer 29

Superior most anastomosis of the superior, middle and inferior rectal V

Question 30

What is the external rectal venous plexus?

Answer 30

Near the anus, inferior most anastomosis of the superior, middle and inferior rectal V

Question 31

What are internal hemorrhoids (piles)?

Answer 31

The prolapse of the mucosa containing the internal rectal venous plexus which impedes blood flow

Question 32

What are external hemorrhoids?

Answer 32

Produced by blood clots in the external rectal venous plexus which bulges out the mucosa overlying the skin and are painful