A mole is a collection of pigmented cells that generally presents itself as a small, brown-hued spot on the surface of your skin. It is possible for acne to form either under -- or on top of – moles, since moles are generally just a discoloration of your skin.

A mole may be any growth on your skin that contains nevus cells. It typically has a raised surface and may develop a stalk. Moles that have an especially high surface are hanging moles, also known as skin tags. Hanging moles are generally harmless, although they may be cosmetically undesirable.

Blue veins can show through all over your body, especially if your skin is very pale. While not medically problematic, these can be bothersome and difficult to conceal, especially if they are on your face or eye area.

Your feet may be swollen from a broken bone, medical condition, side effect of medication or medical treatment, pregnancy or simply from standing for a long period of time or wearing ill-fitting shoes. Being older or overweight puts you at higher risk of having swollen feet.

According to Princeton University, moles are spots on the skin that have more pigment producing cells than other areas on the body. Moles are usually rounded, symmetrical and benign. However, sometimes they can develop into skin cancer and should be removed.

Birth marks are patches of hyper-pigmented skin that may look similar to a mole or have irregular borders. The marks frequently have a rough or goosebump-like texture and are present at birth or a few weeks after birth. Birth marks rarely become cancerous, but it is always best to have it check by a doctor to be sure.

Moles are growths caused by skin cell clustering. Melanin, the skin's natural pigment, overproduces in these clusters causing them to become brown in color. According to CareFair.com, moles can be hereditary or a product of overexposure to the sun's harmful UV rays.

Most freckles and moles are non-cancerous skin lesions that are more cosmetically bothersome than medically problematic. Occasionally, moles interfere with shaving or rub against clothing.

Moles can be an unsightly nuisance, possibly posing health risks when they are misshapen and oddly colored. Normal moles are rounded and have a brown or black color; sometimes they are raised from the skin. Most remedies include surgical and laser procedures to remove the mole.

Noticing a red mole on your skin can be worrisome. What is it? Is it dangerous? While it's good to pay attention to growths and spots on your skin, don’t panic. A mole -- what medical professionals call a nevus -- is a type of skin growth that occurs when color-producing cells in your skin grow in a cluster.

A skin mole is a growth that appears on the skin randomly. A mole is usually raised off the skin and dark brown in color, although occasionally they can appear flat on the skin and be pink or peach-colored.

Whether you call it a mole or a beauty mark, many people consider a pigmented spot or bump less beautiful when hair seems to be growing out of it. Pigmented spots and bumps are formed by a type of cell found in the skin called a melanocyte.