hyperdactyly
Học thuậtThân thiện
Definition
Noun: A congenital physical anomaly, specifically a birth defect, characterized by the presence of more than the typical number of digits (fingers or toes) on the hands or feet.
Usage
The term is used in medical and anatomical contexts to describe a specific type of polydactyly, often implying a significant or excessive number of extra digits. * The ultrasound revealed a potential case of hyperdactyly in the fetus. * Hyperdactyly can sometimes be surgically corrected in infancy.
Advanced Usage
- The condition is a form of polydactyly, but often emphasizes the aspect of an unusually high count beyond a single extra digit.
- It can be specified as manual hyperdactyly (affecting hands) or pedal hyperdactyly (affecting feet).
Variants and Related Words
- Polydactyly (n): The broader medical term for having supernumerary fingers or toes. is a specific type of polydactyly.
- Hexadactyly (n): The condition of having six digits on a hand or foot, a common form of hyperdactyly.
- Hyperdactylous (adj): Describing an individual or condition characterized by hyperdactyly.
Synonyms
- Polydactylism
- Supernumerary digit(s)
Antonyms
- Ectrodactyly: A birth defect characterized by the absence of one or more fingers or toes.
- Oligodactyly: The presence of fewer than the normal number of digits.
Noun
- birth defect characterized by the presence of more than the normal number of fingers or toes