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Cooks syndrome is a hereditary disorder which is characterized in the hands by bilateral nail hypoplasia on the thumb, index finger, and middle finger, absence of fingernails on the ring finger and little finger, lengthening of the thumbs, and bulbousness of the fingers.
Half and half nails (also known as "Lindsay's nails") show the proximal portion of the nail white and the distal half red, pink, or brown, with a sharp line of demarcation between the two halves. [ 1 ] : 785 The darker distal discoloration does not fade on pressure, [ 2 ] which differentiates Lindsay's nails from Terry's nails .
The nail is an unguis, meaning a keratin structure at the end of a digit. Other examples of ungues include the claw, hoof, and talon. The nails of primates and the hooves of running mammals evolved from the claws of earlier animals. [38] In contrast to nails, claws are typically curved ventrally (downwards in animals) and compressed sideways.
Onychorrhexis also known as brittle nails, is brittleness with breakage of fingernails or toenails. Paronychia is a bacterial or fungal infection where the nail and skin meet. Koilonychia is when the nail curves upwards (becomes spoon-shaped) due to an iron deficiency. The normal process of change is: brittle nails, straight nails, spoon-shaped ...
Nail–patella syndrome is a genetic disorder that results in small, poorly developed nails and kneecaps, but can also affect many other areas of the body, such as the elbows, chest, and hips. The name "nail–patella" can be very misleading because the syndrome often affects many other areas of the body, including even the production of ...
Diagnosis of Ectodermal Dysplasia is usually made based on the episodes of hyperpyrexia, absence or maturity of sweat glands, absence or type of hair, or the absence and morphology of the teeth. [1] Clinical diagnosis however, is often difficult during early infancy as the above-mentioned manifestations are hard to detect.
Are your fingernails yellow, brown, black, or another color? Doctors explain the different causes of nail discoloration, and what to do in each case.
Nail (anatomy), toughened protective protein-keratin (known as alpha-keratin, also found in hair) at the end of an animal digit, such as fingernail Nail (beak) , a plate of hard horny tissue at the tip of some bird beaks