Origin and Etymology of ampulla
Middle English, from Old English, from Latin, diminutive of amphora
First Known Use: before 12th centurySee Words from the same year
Medical Definition of ampulla
: a saccular anatomic swelling or pouch: asa: the dilatation containing a patch of sensory epithelium at one end of each semicircular canal of the earb: one of the dilatations of the lactiferous tubules of the mammary glands that serve as reservoirs for milkc (1): the middle portion of the fallopian tube (2): the distal dilatation of a vas deferens near the opening of the duct leading from the seminal vesicled: a terminal dilatation of the rectum just before it joins the anal canal
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