Medical Definition of Sinus lactiferi

1. A circumscribed spindle-shaped dilation of the lactiferous duct just before it enters the nipple. In nursing mothers this dilatation stores a droplet of milk which is expressed by compression as the infant begins to suckle; this is thought to encourage continual suckling while the let-down reflex ensues. Synonym: sinus lactiferi, ampulla lactifera, ampulla of milk duct, lactiferous ampulla. (05 Mar 2000)



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Lexicographical Neighbors of Sinus Lactiferi

sinus caroticus
sinus cavernosus
sinus circularis
sinus coronarius
sinus durae matris
sinus ethmoidales
sinus ethmoidales anteriores
sinus ethmoidales mediae
sinus ethmoidales posteriores
sinus frontalis
sinus headache
sinus histiocytosis
sinus intercavernosi
sinus lactiferi (current term)
sinus laryngeus
sinus lienis
sinus maxillaris
sinus nerve of Hering
sinus node
sinus node artery
sinus obliquus pericardii
sinus occipitalis
sinus of nail
sinus of the vena cava
sinus of valsalva
sinus paranasales
sinus pause

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