| arteria tympanica inferior | <anatomy, artery> Origin, ascending pharyngeal; distribution, middle ear; anastomoses, tympanic branches of other arteries. Synonym: arteria tympanica inferior. (05 Mar 2000) |
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| arteria tympanica posterior | <anatomy, artery> Origin, stylomastoid; distribution, middle ear; anastomoses, other tympanic arteries. Synonym: arteria tympanica posterior. (05 Mar 2000) |
| arteria tympanica superior | <anatomy, artery> Origin, middle meningeal; distribution, middle ear; anastomoses, other tympanic arteries. Synonym: arteria tympanica superior. (05 Mar 2000) |
| arteria ulnaris | <anatomy, artery> The larger of the two terminal branches of the brachial artery, beginning about one centimeter distal to the bend of the elbow. Like the radial artery, its branches may be divided into three groups corresponding to their locations in the forearm, wrist, and hand. (12 Dec 1998) |
| arteria umbilicalis | <anatomy, artery> Before birth the arteria is a continuation of the internal iliac; after birth it is obliterated between the bladder and umbilicus, forming the medial umbilical ligament, the remaining portion, between the internal iliac artery and bladder, being reduced in size and giving off the superior vesical arteries. Synonym: arteria umbilicalis. (05 Mar 2000) |
| arteria urethralis | <anatomy, artery> Origin, perineal artery; distribution, membranous urethra. Synonym: arteria urethralis. (05 Mar 2000) |
| arteria uterina | <anatomy, artery> Origin, internal iliac; distribution, uterus, upper part of vagina, round ligament, and medial part of uterine (fallopian) tube; anastomoses, ovarian, vaginal, inferior epigastric. Supplies maternal circulation to placenta during pregnancy. Synonym: arteria uterina. (05 Mar 2000) |
| arteria vaginalis | <anatomy, artery> Origin, internal iliac; distribution, vagina, base of bladder, rectum; anastomoses, uterine, internal pudendal. Synonym: arteria vaginalis. (05 Mar 2000) |
| arteria vertebralis | <anatomy, artery> Paired arteries which supply the muscles of the neck, spinal cord and cerebellum. (27 Sep 1997) |
| arteria vesicalis inferior | <anatomy, artery> Origin, internal iliac; distribution, base of bladder, ureter, and (in the male) seminal vesicles, ductus deferens, and prostate; anastomoses, middle rectal, and other vesical branches. Synonym: arteria vesicalis inferior. (05 Mar 2000) |
| arteria vesicalis superior | <anatomy, artery> Origin, umbilical; distribution, bladder, urachus, ureter; anastomoses, other vesical branches. Synonym: arteria vesicalis superior. (05 Mar 2000) |
| arteria vitellina | <anatomy, artery> An artery carrying blood to the yolk sac from the embryo. Synonym: arteria vitellina. (05 Mar 2000) |
| arteria volaris indicis radialis | <anatomy, artery> Origin, radial; distribution, radial side of index finger. Synonym: arteria radialis indicis, arteria volaris indicis radialis, radial index artery. (05 Mar 2000) |
| arteria zygomatico-orbitalis | <anatomy, artery> Origin, superficial temporal, sometimes middle temporal; distribution, orbicularis oculi muscle and portions of the orbit; anastomoses, lacrimal and palpebral branches of ophthalmic. Synonym: arteria zygomatico-orbitalis. (05 Mar 2000) |
| rami intercostalis anteriores arteria thoracica interna | One of the arteries supplying the anterior portions of the intercostal spaces of the thoracic wall. Anterior intercostal arteries 1-6 arise as branches of the internal thoracic artery; 7-11 arise as branches of the musculophrenic artery. Synonym: rami intercostales anteriores, rami intercostalis anteriores arteria thoracica interna. (05 Mar 2000) |