Also found in: Thesaurus, Medical, Encyclopedia.


 (ăm-po͝ol′ə, -pŭl′ə)
n. pl. am·pul·lae (-po͝ol′ē, -pŭl′ē)
1. A nearly round bottle with two handles used by the ancient Romans for wine, oil, or perfume.
2. Ecclesiastical A vessel for consecrated wine or holy oil.
3. Anatomy A small dilatation in a canal or duct, especially one in the semicircular canal of the ear.

[Middle English, from Old English, from Latin, diminutive of amphora; see amphora.]

am·pul′lar adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.ampullar - of or related to an ampullaampullar - of or related to an ampulla    
anatomy, general anatomy - the branch of morphology that deals with the structure of animals
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Valli et al., "Effects of betahistine metabolites on frog ampullar receptors," Acta Oto-Laryngologica, vol.
1.55 [+ or -] 0.26; n = 12) of the ampullar contraction-dilatation cycle concomitant with hemolymph flow in ascidians (Mukai et al., 1978).
It has been reported the ampullar enlargement is nearly 4.8 [+ or -] 1.4 mm, thus producing additive errors, and reducing measurement accuracy.[sup][11] The anterior and posterior walls of TD should be clearly visualized for the purpose of precise measurement, and each reported value of the duct diameter in this study was the mean of three consecutive measurements.
The left tube contained a mass measuring approximately 5*6 cm in ampullar portion and was intact (Figure 1).
Trophoblastic tissue was reported in pathologic exam of sample sent from tubal ampullar lumen.
Valli et al., "Effects of caloric stimuli on frog ampullar receptors," Hearing Research, vol.
With a diagnosis of heterotopic pregnancy (Figure 3), laparotomy was carried out, finding ruptured ampullar right ectopic pregnancy, gravid uterus augmented in size for eight weeks, right salpingectomy was performed without complications; ultrasound monitoring indicated proper fetal growth.
It was determined that the patient was treated with methotrexate for right tubal ampullar pregnancy one and half year ago.
(1,11) The main problem at the time of examination of the ampullar adenoma is the necessity to distinguish the lesion from the carcinoma in which there is a threat of lymphatic nodules infiltration indicating PDE.
Storage of spermatozoa in the ampullar or distal part of the vas deferens has also been described (Hib et al.).