| ampulla tubae uterinae | The wide portion of the uterine (fallopian) tube near the fimbriated extremity; it has a complexly folded mucosa with a columnar epithelium of mostly ciliated cells between which are secretory cells. Synonym: ampulla tubae uterinae. (05 Mar 2000) |
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| ampullaceous | Like a bottle or inflated bladder; bottle-shaped; swelling. <zoology> Ampullaceous sac, one of the peculiar cavities in the tissues of sponges, containing the zooidal cells. Origin: L. Ampullaceus, fr. Ampulla. Source: Websters Dictionary (01 Mar 1998) |
| ampullar | Relating in any sense to an ampulla. (05 Mar 2000) |
| ampullar abortion | Abortion resulting from pregnancy in the ampulla of the fallopian tube. (05 Mar 2000) |
| ampullar pregnancy | Tubal pregnancy situated near the midportion of the oviduct. (05 Mar 2000) |
| ampullary aneurysm | A saclike bulging on one side of an artery. Synonym: ampullary aneurysm. (05 Mar 2000) |
| ampullary crest | An elevation on the inner surface of the ampulla of each saemicircular duct; filaments of the vestibular nerve pass through the crista to reach hair cells on its surface; the hair cells are capped by the cupula, a gelatinous protein-polysaccharide mass. Synonym: crista ampullaris, acoustic crest, transverse septum. (05 Mar 2000) |
| ampullary crura of saemicircular ducts | The dilated ends of the three saemicircular ducts, each of which contains a specialised thickening of the epithelium known as the ampullary crest. Synonym: crura membranacea ampullaria ductus saemicircularis, ampullary limbs of saemicircular ducts. (05 Mar 2000) |
| ampullary folds of uterine tube | One of the folds of mucous membrane at the fimbriated extremity of the uterine tube. Synonym: plicae ampullares tubae uterinae. (05 Mar 2000) |
| ampullary limbs of saemicircular ducts | The dilated ends of the three saemicircular ducts, each of which contains a specialised thickening of the epithelium known as the ampullary crest. Synonym: crura membranacea ampullaria ductus saemicircularis, ampullary limbs of saemicircular ducts. (05 Mar 2000) |
| ampullary sulcus | The groove on the external surface of the ampulla of each saemicircular duct where the nerve enters the crista ampullaris. Synonym: sulcus ampullaris. (05 Mar 2000) |
| ampullitis | Inflammation of any ampulla, especially of the dilated extremity of the vas deferens or of the ampulla of Vater. Origin: ampulla + G. Itis, inflammation (05 Mar 2000) |
| ampullula | A circumscribed dilation of any minute lymphatic or blood vessel or duct. Origin: Mod. L. Dim. Of L. Ampulla (05 Mar 2000) |
| amputate | 1. To prune or lop off, as branches or tendrils. 2. <surgery> To cut off (a limb or projecting part (of the body). Origin: L. Amputatus, p. P. Of amputare: amb- + putare to prune, putus clean, akin to E. Pure. See Putative. Source: Websters Dictionary (01 Mar 1998) |
| amputating ulcer | An ulcer encircling a limb. (05 Mar 2000) |