* '''Mamma (pleural=Mammae) ''': the glandular structure associated with a teat.
* '''Mamma (pleural=Mammae) ''': the glandular structure associated with a teat.
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** '''Lobes''': the internal compartments of the mamma, separated by adipose tissue. The lobes are divided into '''lobules'''. Lobules consist of connective tissue containing '''alveoli''', which are clusters of milk secreting cells.
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** Udder: term designating all the mammae in the ruminant and the mare (sometimes used for the sow).
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** '''Lactiferous Ducts''': large ducts conveying milk from the alveoli to the milk sinus. The openings of lactiferous ducts convey milk formed in the alveolus to the gland sinus.
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*** '''Lobes''': the internal compartments of the mamma, separated by adipose tissue. The lobes are divided into '''lobules'''. Lobules consist of connective tissue containing '''alveoli''', which are clusters of milk secreting cells.
+
*** '''Lactiferous Ducts''': large ducts conveying milk from the alveoli to the milk sinus. The openings of lactiferous ducts convey milk formed in the alveolus to the gland sinus.
* '''Milk/Lactiferous Sinus''': milk storage cavity within the teat and glandular body.
* '''Milk/Lactiferous Sinus''': milk storage cavity within the teat and glandular body.