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What is The number of laticiferous ducts that open into the nipple is and explain in detail?
Breast is a compound tubulo-alveolar gland which secretes milk. The gland consists of 15 to 20 lobes. Each lobe is a cluster of alveoli, and is drained by a lactiferous duct. The lactiferous ducts converge towards the nipple and open on it. Near its termination each duct has a dilatation called a lactiferous sinus. Ref - BDC Vol1 6th edition pg 34