Like hair, nails undergo changes over time, due to disease, internal processes in the body as it agesnutritional deficiencies, or external factors like long-term exposure to chemicals or ultraviolet light. The changes nails may undergo over time involve growth rate, texture, thickness, shape or contour, and color. Nail growth slows slightly over time.
Brachydactyly is a shortening of the fingers and toes due to unusually short bones. This is an inherited condition, and in most cases does not present any problems for the person who has it. There are different types of brachydactyly, based on which bones are shortened.
Skip to content. Fingernail or toenail abnormalities are often a sign of infection or injury. They can sometimes be a sign of an underlying condition.
For example, ice pick-like depressions in the nails nail pitting are common in people who have psoriasis — a condition characterized by scaly patches on the skin. Nail pitting can also be related to connective tissue disorders, such as Reiter's syndrome, and alopecia areata — an autoimmune disease that causes hair loss. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
We respect your privacy. Even so, a change in appearance can sometimes point to a disease elsewhere in the body. If you notice any of the following changes in your nails, err on the side of caution and make an appointment to see a dermatologist or podiatrist.
I didn't know there was anything unusual about my hands until I was in sixth grade, sitting on the bus to an away game with the rest of the cheerleading squad. I rested my hand on the back of an eighth grader's seat, which is when she noticed my thumb. You have the same weird thumbs I do," she exclaimed.
Livingood Award and Lectureship Marion B. Amazing facts about your skin, hair, and nails How do animals protect their skin Skin dictionary Camp Discovery Good Skin Knowledge lesson plans and activities Parent resources Video library Find a dermatologist Why see a board-certified dermatologist? Ask a Dermatologist.
Stub thumb  is a condition clinically recognised by a thumb being relatively short and round with an accompanying wide nail bed as the distal phalanx of affected thumbs is approximately two-thirds of full-length thumbs. Stub thumbs are medically classified as brachydactyly type D BDD alias brachymegalodactylism. Hefner in'stub thumb' is a scientifically preferred term used to identify brachydactyly type D. Brachydactyly type D is a skeletal condition allegedly caused by a 'partial fusion or premature closing of the epiphysis with the distal phalanx of the thumb', according to Goodman et alia
Share this Page? How to Read Fingernails based on their Shape Looking at fingernails can help you understand people better. Whether you are dealing with a cashier at the grocery store, a client returning an item, a tourist traveling with you, or even your child or your partner on a daily basis, knowing how each type of fingernails behaves will go a long way in improving your interactions.
Leukonychia is a condition where white lines or dots appear on your finger or toenails. This is a very common issue and entirely harmless. Many healthy adults have these spots at some point in their lives, so developing them is likely not a sign of a serious medical condition. For some people, the white spots may appear as tiny dots speckled across the nail.