ampulla


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Related to ampulla: Ampulla of fallopian tube

ampulla

 [am-pul´ah] (pl. ampul´lae) (L.)
a flasklike dilatation of a tubular structure, especially of the expanded ends of the semicircular canals of the ear.
ampulla chy´li cisterna chyli.
ampulla duc´tus deferen´tis (Henle's ampulla) the enlarged and tortuous distal end of the ductus deferens.
hepatopancreatic ampulla ampulla of Vater; a flasklike cavity in the major duodenal papilla into which the common bile duct and pancreatic duct open.
 Hepatopancreatic ampulla, receiving the common bile and pancreatic ducts and entering the duodenum at the major duodenal papilla. From Dorland's, 2000.
Lieberkühn's ampulla the blind termination of the lacteals in the villi of the intestines.
ampul´lae membrana´ceae membranous ampullae: the dilatations at one end of each of the three semicircular ducts.
ampul´lae os´seae the dilatations at one of the ends of the semicircular canals.
phrenic ampulla the dilatation at the lower end of the esophagus.
ampulla of rectum the dilated portion of the rectum just proximal to the anal canal.
ampulla of Thoma one of the small terminal expansions of an interlobar artery in the pulp of the spleen.
ampulla of uterine tube the longest and widest portion of the fallopian (uterine) tube between the infundibulum and the isthmus of the tube.
ampulla of Vater hepatopancreatic ampulla; the term “ampulla of Vater” is often mistakenly used instead of “papilla of Vater,” or major duodenal papilla.

am·pul·la

, gen. and pl.

am·pul·lae

(am-pul'lă, -ē), [TA] Avoid the mispronunciation am'pulla.
A saccular dilation of a canal or duct.
[L. a two-handled bottle]

ampulla

(ăm-po͝ol′ə, -pŭl′ə)
n. pl. am·pullae (-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.

am·pul′lar adj.

ampulla

Anatomy
A sac-like enlargement of a duct or tube.
 
Pharmacology
Ampule, see there.

ampulla

A saclike enlargement of a duct or tube
1. Ampulla of Vater, formally, hepatopancreatic ampulla.
2. Ampule.

am·pul·la

, pl. ampullae (am-pul'ă, -ē) [TA]
A saccular dilation of a canal or duct.
[L. a two-handled bottle]

ampulla

A widened (dilated) segment of a gland or small tube.

ampulla

any small vesicle or sac-like offshoot, particularly the dilation at the end of the semicircular canal of the EAR, which houses sensory epithelium and is concerned with balance; See CRISTA AMPULLARIS. Other examples include the internal expansion of the echinoderm tube-foot, and the pit housing the medusoid stage in the calcareous skeleton of Hydrocorallina.

am·pul·la

, pl. ampullae (am-pul'ă, -ē) [TA]
A saccular dilation of a canal or duct.
[L. a two-handled bottle]
References in periodicals archive ?
A theoretical concern with cystic duct stenting only as opposed to our approach of a stent from the cystic duct traversing the ampulla is the risk of reobstruction or occlusion.
Depending on anatomical and other factors, a duodenoscope (i.e., side-viewing scope) maybe needed to visualize the ampulla and assess clots or other evidence of bleeding.
Shukla, "Carcinoma of the ampulla of Vater associated with annular pancreas," Indian Journal of Surgery, vol.
The indication of EUS-BD among all patients included difficult cannulation (66.7%) and unidentifiable ampulla (33.3%).
Paired spermathecae in 8 and 9; ovoidal heart-shaped ampulla and duct of equal length; a sessile digit-form diverticulum, ectally oriented, projects from the ental part of the duct (Figure 3a).
Endoscopic ultrasound showed prominent ampulla with hypoechoic appearance indicative of an ampullary mass and dilated common bile duct (Figure 1).
It requires a careful detection for an accompanied injury to the pancreas as well as the bile duct and the ampulla, especially when the second and third portion of duodenum is injured.
(10) Similarly, the predominance of enterochromaffin (EC) cell serotonin-producing NETs in the ileum and appendix and [delta] cell somatostatin-producing NETs in the duodenum and ampulla is abnormal despite the even distribution of EC and [delta] cells throughout the GI and pancreatobiliary tracts.
"Cats have a unique anatomical feature called an ampulla, an area where their bile duct and pancreatic duct join together before entering the small intestine.
After holding the rectal ampulla with allies forceps, it was exteriorized and a circular piece of blind rectal end was removed with size corresponding to the new anal opening in skin.
Two distinctly different types of spermatophores were produced by Phyllopalpus males, differing in both the size of the ampulla and in the structure of the spermatophore tube (Fig.