Skin, Hair, Nails

Human Skin Anatomy – Structure of Epidermis and Dermis Layers

The human skin and its related structures are known as the integumentary system. It is the largest organ  in the body measuring 2 square meters in the average adult. Being the outermost structure, it is often the focus of much attention with a poor understanding of its anatomy and physiology. It can be considered as the >> Read More ...

What are Freckles? Freckle vs Lentigo (Liver Spots) and Moles

What is a Freckle? Freckles are hyperpigmented spots on the skin, especially on the face, that is more common among lightly pigmented individuals. A freckle, also known as an ephelis, is usually small with a diameter of 1 millimeter or more but not exceeding 5 millimeters (macules). These spots are flat, with several >> Read More ...

Melasma, Chloasma Pictures (Dark Skin Pigmentation on Face)

What is melasma? Melasma, also known as chloasma, is a the patches of brown to black pigmentation that occurs on the sun-exposed areas of the face. It is a very common condition in women and is more frequently associated with hormonal changes. However, it also occurs in men although rarely. Melasma is known by several >> Read More ...

Patchy Hair Loss (Alopecia Areata) Types, Causes and Pictures

What is alopecia areata? Alopecia areata is a patchy hair loss that is usually of sudden onset and can arise on any hairy part of the body. It is a non-scarring type of hair loss with no obvious skin disease or lesion or other underlying systemic disturbance. Most cases involve the scalp or beard and rarely it can all of >> Read More ...

Androgenetic Alopecia (Male-Pattern and Female-Pattern Balding)

The average human scalp loses about 100 strands of hair per day. This hair loss is normal and represents a very small potion of the strands present on the scalp. Sometimes hair loss becomes excessive and may affect the entire head (diffuse hair loss) or patches (focal hair loss). There are several different types and >> Read More ...

Shedding Hair Loss (Telogen Effluvium) Types and Causes

The hair follicles go through different phases of growth. At any one time, most of the follicles are in the active growth phase known as the anagen phase. Majority of the remaining follicles are in a resting phase known as telogen, where there is no growth but rather preparation for future growth or shedding. A small >> Read More ...

Red Cheeks, Malar Rash and Flushing of the Cheek (Redness)

The skin is laden with a rich network of blood vessels that contributes to the complexion particularly in lighter skinned individuals. Vasodilation causes redness of the skin whereas vasoconstriction results in a more pale hue. The face is prone to a phenomenon known as blushing where certain stimuli, particularly >> Read More ...

Tinea Faciei (Fungal Skin Infection of the Face)

Skin fungi are tiny microorganisms that infect the outer surface of human skin. There are two main types of skin fungi – dermatophytes and yeasts. Most fungal infections of the skin are due to dermatophytes and are referred to as tinea. It is termed according to the location on the body where the fungal infection of the >> Read More ...
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