The symptoms vary enormously between people with myasthenia gravis: 1  The muscles around the eyes are most commonly affected first, as these are constantly used and can quickly tire. 2  Muscles around the face and throat are also often affected. 3  Weakness in the arms, hands, fingers, legs and neck may develop.
In its most general form, a nipple is a structure from which a fluid emanates. More specifically, it is the projection on the breasts or udder of a mammal by which, in females, breast milk is delivered to a mother's young.
Hormonal changes. Nipple pain or discomfort is common at certain times in a womanâs monthly cycle, triggered by the changes in levels of oestrogen and progesterone. Tenderness in the breasts and nipples is most commonly felt prior to your period.