undescended
Học thuậtThân thiện
Definition
- Adjective:
- Remaining in an abnormally high position: Used primarily in medicine to describe an organ, typically a testicle, that has failed to move to its normal anatomical position during development.
Usage
The word "undescended" is a specialized medical term. It is almost exclusively used as an adjective to modify nouns like "testicle" or "testis." It describes a congenital condition present from birth.
Examples
- The pediatrician diagnosed the newborn with an undescended testicle.
- Surgery is sometimes required to correct an undescended testis.
- Undescended testes are more common in premature infants.
Advanced Usage
- The term can be used in a broader, non-literal sense in technical or biological writing to describe any structure that has not descended or moved to a lower position, though this is rare.
- The scan revealed an undescended organ, which required further investigation.
Variants and Related Words
- Descend (verb): To move or fall downward. This is the root action that an "undescended" organ has not undergone.
- Descent (noun): The act or process of descending.
- Cryptorchidism (noun): The medical term for the condition of having one or both testicles undescended.
Synonyms
- Retained (in a medical context, e.g., a retained testicle).
- Non-descended (a less common clinical synonym).
Antonyms
- Descended (having moved to the normal lower position).
- Scrotal (located in the scrotum).
Adjective
- (of the testis) remaining in the abdomen instead of descending into the scrotum