Medical Dictionary
Main Entry:
am·pul·la Pronunciation:
am-'pu-l&, 'am-"pyü-l& Function:
noun Inflected Form:
plural am·pul·lae /-"lE/ : a saccular anatomic swelling or pouch: as
a : the dilatation containing a patch of sensory epithelium at one end of each semicircular canal of the ear
b : one of the dilatations of the lactiferous tubules of the mammary glands that serve as reservoirs for milk
c (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 vesicle
d : a terminal dilatation of the rectum just before it joins the analcanal