Mamilla
Mamilla is a term that refers to a small projection or nipple-like structure. In anatomy, it is often used interchangeably with the term nipple, the protrusion on the breasts through which milk is delivered from the mammary glands to the surface of the skin and then to the mouth of a breastfeeding infant. The mamilla is an essential component of the mammary gland system in mammals, including humans, playing a crucial role in the nursing process.
Anatomy and Function[edit | edit source]
The mamilla is composed of skin, connective tissue, and muscle, and contains multiple ducts that serve as channels for milk to flow from the mammary glands to the outside. It is surrounded by the areola, a darker area of skin that contains sebaceous glands to lubricate the area for breastfeeding. The mamilla and areola are highly sensitive and can become erect in response to stimulation, cold, or sexual arousal, due to the contraction of smooth muscle fibers.
In addition to its role in breastfeeding, the mamilla is also an important area for sensory feedback, as it contains a high concentration of nerve endings. This sensitivity plays a role in the bonding process between a mother and her nursing infant, stimulating the release of oxytocin, which enhances milk flow and maternal bonding.
Clinical Significance[edit | edit source]
The mamilla can be the site of various medical conditions, including mastitis, eczema, and Paget's disease of the breast. These conditions can cause symptoms such as pain, itching, and discharge, and may require medical evaluation and treatment.
Cultural and Social Aspects[edit | edit source]
The mamilla also has cultural and social significance, with varying attitudes towards its visibility and sexualization across different cultures and historical periods. In some societies, exposure of the mamilla is considered a norm, while in others, it is subject to modesty laws and social norms.
See Also[edit | edit source]
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Contributors: Prab R. Tumpati, MD
