colonoscope

Thân thiện

A doctor uses a colonoscope to examine a patient's colon.

Definition

Noun: A colonoscope is a medical instrument. It is a long, flexible tube with a light and a camera at its tip. Doctors use it to examine the inside of the large intestine (colon) from the rectum all the way to the cecum. The device often allows for the removal of small growths (polyps) or the taking of tissue samples (biopsies) during the examination.

Usage

The word "colonoscope" is used specifically in medical contexts to refer to the instrument itself or to the procedure involving it (colonoscopy).

Examples: * The gastroenterologist carefully inserted the colonoscope. * A modern colonoscope transmits high-definition video to a monitor. * During the procedure, a polyp was removed using the colonoscope.

Advanced Usage

• "to pass a colonoscope": This phrase describes the action of a doctor advancing the instrument through the colon.
  • The doctor skillfully passed the colonoscope to the end of the colon.
• "colonoscope-assisted": Used as an adjective to describe a procedure that utilizes the instrument.
  • The patient underwent a colonoscope-assisted polyp resection.

Variants and Related Words

• Colonoscopy (n): The medical procedure of examining the colon using a colonoscope.
  • He scheduled a colonoscopy for his routine health screening.
• Colonoscopic (adj): Relating to or performed by a colonoscope.
  • The colonoscopic findings were normal.
• Endoscope (n): The general category of instruments for looking inside the body, which includes the colonoscope.
• Sigmoidoscope (n): A similar but shorter instrument used to examine only the lower part of the colon (the sigmoid colon).

Synonyms

• Endoscope (a more general term)
• Scope (informal medical shorthand in context, e.g., "The scope showed a clean colon.")

Related Phrases

• "to undergo a colonoscopy": To have the medical examination performed.
  • Patients over 50 are advised to undergo a colonoscopy regularly.
• "colonoscopy screening": The use of the procedure as a preventive health check.
  • Colonoscopy screening is effective in early cancer detection.

Học thuật

Noun

1. an elongated fiberoptic endoscope for examining the entire colon from cecum to rectum