Areas of the skin which have pink or reddish-colored streaks are stretch marks. This is skin that has been torn and stretched during pregnancy. They are often found on the abdomen, breasts, legs, hips and buttocks.

very thin scars that commonly develop when the skin is stretched for a long period of time.

Marks due to rapidly growing tissue. Commonly a side effect of pregnancy, usually apparent on breasts, abdomen, legs, and buttocks.

Marks on the skin that appear during pregnancy as a woman's skin stretches to accommodate her baby's growth. They are initially light pink or purple lines that eventually fade to white and are most often found on the breasts, thighs, abdomen or hips. These may also occur with rapid growth in puberty or rapid weight gain or loss.

Tiny tears in a bodybuilder's skin caused by poor diet and in addition, rapid increases in bodyweight. If you notice stretch marks forming on your own body (usually around your pectoral-deltoid tie-ins), rub vitamin E cream over them two or three times per day, and try cutting back on your body weight by reducing body fat levels.

These marks in the skin are caused by rapidly growing tissue. A common side effect of pregnancy, they are usually apparent on the breasts, abdomen, legs, and buttocks.

Red or white marks that may appear when you lengthen, widen, or distend the penis.

Scars formed on the skin as a result of rapid muscle growth or fat gain.

lines of stretched skin which develop when the skin's building blocks (collagen and elastin) cannot keep up with its need for growth. Medically referred to as striae.

Discolored linear patterns that result from stretching of the skin. In pregnancy, stretch marks, also known as striae, may appear on the abdomen, breasts, buttocks, and legs; they usually fade slowly after delivery.

reddish streaks that develop on the breast and abdomen during pregnancy.