sigmoidoscope

Thân thiện

A doctor uses a sigmoidoscope for a routine colon examination.

Definition

Noun: 1. A medical instrument: A sigmoidoscope is a type of endoscope—specifically, a flexible, lighted tube with a camera—used by doctors to visually examine the interior of the sigmoid colon, which is the lower part of the large intestine.

Usage

The word "sigmoidoscope" is used in medical contexts to refer to the instrument itself or to the procedure for which it is used. * The doctor used a sigmoidoscope to check for polyps. * During a sigmoidoscopy, the sigmoidoscope is inserted into the rectum.

Advanced Usage

• Flexible sigmoidoscope: This specifies the modern type of instrument, which is bendable, as opposed to a rigid sigmoidoscope.
  • A flexible sigmoidoscope is more comfortable for the patient than the older rigid models.

Variants and Related Words

• Sigmoidoscopy (n): The medical procedure or examination performed using a sigmoidoscope.
  • He was scheduled for a sigmoidoscopy to investigate the cause of his symptoms.

Synonyms

• Endoscope (n): A general term for any instrument used to look inside the body. A sigmoidoscope is a specific type of endoscope.
• Scope (n): An informal medical shorthand for any endoscopic instrument (e.g., "He needs a scope.").

Học thuật

Noun

1. an endoscope (a flexible fiberoptic probe) for examining the sigmoid colon

Từ đồng nghĩa

• flexible sigmoidoscope