Testicular artery
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| Artery: Testicular artery | |
|---|---|
| The abdominal aorta and its branches. (Internal spermatic vessels labeled at right.) | |
| Vertical section of the testis, to show the arrangement of the ducts. (Internal spermatic artery labeled vertically at center.) | |
| Latin | arteria testicularis |
| Gray's | subject #154 611 |
| Source | abdominal aorta |
| Vein | testicular vein |
| Dorlands / Elsevier | a_62/12159482 |
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Overview
The testicular artery (the male gonadal artery, also called the internal spermatic arteries in older texts) is a branch of the abdominal aorta that supplies blood to the testis. It is a paired artery, with one for each of the testes.
It is the male equivalent of the ovarian artery. Because the testis is found in a different location than that of its female equivalent, it has a different course than the ovarian artery.
They are two slender vessels of considerable length, and arise from the front of the aorta a little below the renal arteries.
Each passes obliquely downward and lateralward behind the peritoneum, resting on the Psoas major, the right spermatic lying in front of the inferior vena cava and behind the middle colic and ileocolic arteries and the terminal part of the ileum, the left behind the left colic and sigmoid arteries and the iliac colon.
Each crosses obliquely over the ureter and the lower part of the external iliac artery to reach the abdominal inguinal ring, through which it passes, and accompanies the other constituents of the spermatic cord along the inguinal canal to the scrotum, where it becomes tortuous, and divides into several branches.
Two or three of these accompany the ductus deferens, and supply the epididymis, anastomosing with the artery of the ductus deferens; others pierce the back part of the tunica albuginea, and supply the substance of the testis.
The internal spermatic artery supplies one or two small branches to the ureter, and in the inguinal canal gives one or two twigs to the Cremaster.
Additional images
See also
External links
- Testicular+artery at eMedicine Dictionary
- SUNY Labs 36:07-0303 - "Layers of the Spermatic Cord"
- Norman/Georgetown inguinalregion (spermaticcord)
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
Arteries of torso - abdomen | |||||||
|---|---|---|---|---|---|---|---|
| AA: Anterior |
| ||||||
| AA: Posterior | visceral: middle suprarenal – renal (inferior suprarenal) – testicular/ovarianparietal: inferior phrenic (superior suprarenal) – lumbar – median sacral terminal: common iliac (IIA, EIA) | ||||||
| IIA: Anterior |
(superior vesical,
to ductus deferens) –
inferior vesical –
middle rectal –
uterine
(azygos of the vagina) –
vaginal –
obturator
(anterior branch,
posterior branch) –
internal pudendal
(inferior rectal,
perineal,
artery of the urethral bulb,
urethral,
deep artery of the penis,
dorsal artery of the penis) –
inferior gluteal
(accompanying of ischiadic nerve,
crucial anastomosis)
| ||||||
| IIA: Posterior | |||||||
| EIA | |||||||
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .

