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Department of Neurobiology and Developmental Sciences: Human Structure Module
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  9. Arteries of the Pelvis and Perineum

Arteries of the Pelvis and Perineum

ArterySourceBranchesSupply toNotes
aorta, abdominalthe continuation of the descending thoracic aortainferior phrenic aa. (2), celiac trunk, middle suprarenal aa. (2), lumbar
aa. (4 pairs), superior mesenteric a., renal aa. (2), testicular/ovarian aa.
(2), inferior mesenteric a., median sacral a., common iliac aa. (2)
abdominal wall; gastrointestinal tract; body below the level of the respiratory
diaphragm
abdominal aorta passes posterior to the diaphragm (aortic hiatus) at the
level of the T12 vertebral body
of bulb of penisinternal pudendal a.no named branchesbulb of the penis and associated tissuesartery of the bulb of the penis courses within the deep perineal space to
enter the deep surface of the bulb
of bulb of vestibuleinternal pudendal a.no named branchesbulb of the vestibule and associated tissuesartery of the bulb of the vestibule courses within the deep perineal space
to enter the deep surface of the bulb
clitoris, deep a. ofinternal pudendal a.no named branchescorpus cavernosum of the clitoris deep a. of the clitoris and dorsal a. of the clitoris are the terminal
brs. of the internal pudendal a.
clitoris, dorsal a. ofinternal pudendal a.no named branchessuperficial structures of the clitorisdorsal a. of the clitoris and deep a. of the clitoris are the terminal brs.
of the internal pudendal a.
cremastericinferior epigastric a.no named branchescremaster m., coverings of the spermatic cordcremasteric a. is one of the contents of the spermatic cord; it anastomoses
with the testicular artery distally
deep external pudendalfemoral a.unnamed muscular branchesorigins of pectineus m., adductor longus m.; scrotum/labium majusdeep external pudendal a. may arise from the medial circumflex femoral a.
deep, of clitorisinternal pudendal a.no named branchescorpus cavernosum of the clitoris deep a. of the clitoris and dorsal a. of the clitoris are the terminal
brs. of the internal pudendal a.
deep, of penisinternal pudendal a.no named branchescorpus cavernosum of the penisdeep a. of the penis and dorsal a. of the penis are the terminal brs. of
the internal pudendal a.
dorsal, of clitorisinternal pudendal a.no named branchessuperficial tissues of the clitorisdorsal a. of the clitoris and deep a. of the clitoris are the terminal brs.
of the internal pudendal a.
dorsal, of penisinternal pudendal a.no named branchessuperficial tissues of the penisdorsal a. of the penis and deep a. of the penis are the terminal brs. of
the internal pudendal a.
ductus deferens, artery ofumbilical a.; may be a branch of the superior or inferior vesical a.no named branchesductus deferens, seminal vesical; possibly supplies the ureterartery of the ductus deferens is also known as: deferential a.
epigastric, inferiorexternal iliac a.cremasteric a.lower rectus abdominis m., pyramidalis m., lower abdominal wallinferior epigastric m. anastomoses with the superior epigastric m. within
the rectus abdominis m.
external pudendal, deep femoral a.unnamed muscular branchesorigins of pectineus m., adductor longus m.; scrotum/labium majusdeep external pudendal a. may arise from the medial circumflex femoral a.
external pudendal, superficial femoral a.no named branchesskin and superficial fascia of the upper medial thigh, skin of the pubic
region
superficial external pudendal a. is one of three superficial branches of
the femoral a. near the inguinal ligament (see also: superficial circumflex
iliac a., superficial epigastric a.)
gluteal, inferiorinternal iliac a., anterior divisionunnamed muscular branchesgluteus maximus m., hip jointinferior gluteal a. participates in the formation of the cruciate anastomoses
of the hip
gluteal, superiorinternal iliac, posterior divisionsuperficial br., deep br.gluteus maximus m., gluteus medius m., gluteus minimus m., hip jointsuperior gluteal a. participates in the formation of the cruciate anastomoses
of the hip
iliac, commonabdominal aortaexternal iliac a., internal iliac a.pelvis, lower limbabdominal aorta bifurcates at the level of the L4 vertebral body to form
the right and left common iliac aa.; the common iliac artery bifurcates anterior
to the sacroiliac articulation into its terminal brs. (external iliac a. and
internal iliac a.)
iliac, externalcommon iliac a.inferior epigastric a., deep circumflex iliac a., femoral a.lower limbexternal iliac a. is continuous with the femoral a., the name change occurs
at the inguinal ligament; the common iliac artery bifurcates anterior to the
sacroiliac articulation
iliac, internalcommon iliac a.anterior division gives rise to the : umbilical a., obturator a., uterine
a., vaginal a., inferior vesical a., middle rectal a., internal pudendal a.,
inferior gluteal a.; posterior division gives rise to the: iliolumbar a., lateral
sacral a., superior gluteal a.
pelvic viscera, gluteal region, hip, medial thighcommon iliac artery bifurcates anterior to the sacroiliac articulation to
form the internal iliac a. and the external iliac a.
iliolumbarinternal iliac a., posterior divisioniliac br., lumbar br.iliacus m., psoas major m., quadratus lumborum m.lumbar br. of the iliolumbar a. sends a small spinal br. into the vertebral
canal
inferior glutealinternal iliac a., anterior divisionunnamed muscular branchesgluteus maximus m., hip jointinferior gluteal a. participates in the formation of the cruciate anastomoses
of the hip
inferior rectalinternal pudendal a. no named branchesanus, ischioanal fossainferior rectal a. anastomoses with the middle rectal a. and the superior
rectal a.
inferior vesicalinternal iliac a., anterior division or it may arise from the middle rectal
a.
no named brancheslower part of the urinary bladder, prostate/vaginainferior vesical a. anastomoses with the middle rectal a.
internal iliaccommon iliac a.anterior division gives rise to the : umbilical a., obturator a., uterine
a., vaginal a., inferior vesical a., middle rectal a., internal pudendal a.,
inferior gluteal a.; posterior division gives rise to the: iliolumbar a., lateral
sacral a., superior gluteal a.
pelvic viscera, gluteal region, hip, medial thighcommon iliac artery bifurcates anterior to the sacroiliac articulation to
form the internal iliac a. and the external iliac a.
internal pudendalinternal iliac a., anterior divisioninferior rectal a., perineal a., artery of the bulb of the clitoris/penis,
urethral a., deep clitoral/penile a., dorsal clitoral/penile a.
anus, muscles of the superficial and deep perineal spaces, clitoris/penis,
posterior aspect of the scrotum/labium majus
internal pudendal a. is the primary blood supply to the perineum
labial, posteriorperineal a.no named branchesposterior aspect of the labium majusposterior labial a. courses through the superficial perineal space
lateral sacralinternal iliac a., posterior divisionspinal brs.sacrum, sacral nerve rootlets, meninges, adjacent musclesthere are usually 2 lateral sacral aa. on each side, a superior one and
an inferior one
middle rectalinternal iliac, anterior divisionno named branchesmiddle portion of the rectummiddle rectal a. anastomoses with the inferior rectal a and the superior
rectal a.
obturatorinternal iliac a., anterior divisionpubic br., acetabular br., anterior br., posterior br.medial thigh and hipanterior and posterior brs. pass on the anterior and posterior sides of
the adductor brevis m.; aberrant obturator a. arises from the inferior epigastric
a. in 30% of cases
ovarianabdominal aortatubal brs., uterine brs.ovary, uterine tubeovarian a. anastomoses with the uterine a.
penis, deepinternal pudendal a.no named branchescorpus cavernosum of the penisdeep a. of the penis and dorsal a. of the penis are the terminal brs. of
the internal pudendal a.
penis, dorsalinternal pudendal a.no named branchessuperficial tissues of the penisdorsal a. of the penis and deep a. of the penis are the terminal brs. of
the internal pudendal a.
penis, of bulb internal pudendal a.no named branchesbulb of the penis and associated tissuesartery of the bulb of the penis courses within the deep perineal space to
enter the deep surface of the bulb
perinealinternal pudendal a.posterior labial/scrotal; deep br.posterior aspect of the scrotum/labium majus; muscles of the superficial
perineal space
perineal a. courses superficial to the superficial transverse perineus m.;
it courses with the perineal n.
posterior labialperineal a.no named branchesposterior aspect of the labium majusposterior labial a. courses through the superficial perineal space
posterior scrotalperineal a.no named branchesposterior aspect of the scrotumposterior scrotal a. passes superficial to the superficial transverse perineus
m.
pudendal, deep externalfemoral a.unnamed muscular branchesorigins of pectineus m., adductor longus m.; scrotum/labium majusdeep external pudendal a. may arise from the medial circumflex femoral a.
pudendal, internalinternal iliac a., anterior divisioninferior rectal a., perineal a., artery of the bulb of the clitoris/penis,
urethral a., deep clitoral/penile a., dorsal clitoral/penile a.
anus, muscles of the superficial and deep perineal spaces, clitoris/penis,
posterior aspect of the scrotum/labium majus
internal pudendal a. is the primary blood supply to the perineum
pudendal, superficial externalfemoral a.no named branchesskin and superficial fascia of the upper medial thigh, skin of the pubic
region
superficial external pudendal a. is one of three superficial branches of
the femoral a. near the inguinal ligament (see also: superficial circumflex
iliac a., superficial epigastric a.)
rectal, inferiorinternal pudendal a. no named branchesanus, ischioanal fossainferior rectal a. anastomoses with the middle rectal a. and the superior
rectal a.
rectal, middleinternal iliac, anterior divisionno named branchesmiddle portion of the rectummiddle rectal a. anastomoses with the inferior rectal a and the superior
rectal a.
rectal, superiorinferior mesenteric a.two unnamed branches superior part of the rectumsuperior rectal a. is the continuation of the inferior mesenteric a. after
the sigmoid brs. are given off; it anastomoses with the middle rectal a. and
the inferior rectal a.
sacral, lateralinternal iliac a., posterior divisionspinal brs.sacrum, sacral nerve rootlets, meninges, adjacent musclesthere are usually 2 lateral sacral aa. on each side, a superior one and
an inferior one
sacral, medianabdominal aorta5th lumbar aa.sacrummedian sacral a. appears to be the continuation of the abdominal aorta in
the median plane, although it is much smaller in size
scrotal, posteriorperineal a.no named branchesposterior aspect of the scrotumposterior scrotal a. passes superficial to the superficial transverse perineus
m.
superficial external pudendalfemoral a.no named branchesskin and superficial fascia of the upper medial thigh, skin of the pubic
region
superficial external pudendal a. is one of three superficial branches of
the femoral a. near the inguinal ligament (see also: superficial circumflex
iliac a., superficial epigastric a.)
testicularabdominal aortaureteric brs.testis, epididymis, lower part of the ductus deferens, ureter near its midpointtesticular a. is one of the contents of the spermatic cord; the origin of
the testicular a. from the aorta at the L2 vertebral level indicates the embryonic
level of origin of the testis prior to its descent
umbilicalinternal iliac a., anterior divisionsuperior vesical aa., a. of the ductus deferenssuperior part of the bladder; ductus deferensdistal to the branches described at left, the lumen of the umbilical a.
becomes obliterated after birth and the remnant of the vessel becomes the medial
umbilical ligament
urethralinternal pudendal a.no named branchespenile urethraurethral a. branches off of the internal pudendal a. within the deep perineal
space
uterineinternal iliac a., anterior divisiontubal br., vaginal br.uterus, uterine tubeuterine a. anastomoses with the ovarian a. and the vaginal a.; it passes
superior to the ureter in the pelvis; remember the saying "water under the
bridge"
vaginalinternal iliac a., anterior division; occasionally it arises from uterine
a.
numerous unnamed branchesvaginaanastomoses with the uterine a.; participates in the formation of the azygos
arteries along the lateral surface of the vagina
vesical, inferiorinternal iliac a., anterior division or it may arise from the middle rectal
a.
no named brancheslower part of the urinary bladder, prostate/vaginainferior vesical a. anastomoses with the middle rectal a.
vesical, superior umbilical a.no named branchessuperior aspect of the bladdersuperior vesical aa.arise from the umbilical a. proximal to where its lumen
becomes obliterated
vestibule, bulb ofinternal pudendal a.no named branchesbulb of the vestibule and associated tissuesartery of the bulb of the vestibule courses within the deep perineal space
to enter the deep surface of the bulb
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