sigmoid

/'sigmɔid/

Thân thiện

The doctor examined the patient's sigmoid colon during the procedure.

Definition

1. Adjective:
   • Relating to the sigmoid flexure of the large intestine: Pertaining to the S-shaped final section of the colon that connects to the rectum.
   • Curved in two directions like the letter S: Having a double curve or an elongated 'S' shape.

Usage Examples

• Adjective:
  • The patient underwent surgery to remove a tumor from the sigmoid colon.
  • The river followed a sigmoid path through the valley.

Advanced Usage

• Sigmoid function: In mathematics and statistics, a real-valued function whose graph is an 'S'-shaped curve, often used in logistic regression and neural networks.
  • The sigmoid function is crucial for modeling probability in machine learning.

Variants and Related Words

• Sigmoidal (adj): Having the characteristics of a sigmoid curve; S-shaped.
  • The growth pattern showed a sigmoidal curve.
• Sigmoidoscopy (n): A medical procedure for examining the sigmoid colon.
  • A sigmoidoscopy can help detect abnormalities in the lower colon.

Synonyms

• S-shaped: Having the form of the letter S.
• Curvilinear: Consisting of or bounded by curved lines.

Related Phrases

• Sigmoid colon: The specific S-shaped part of the large intestine.
  • Diverticulitis often affects the sigmoid colon.
• Sigmoid curve: A graphical representation of an S-shaped function.
  • The data was best fit by a sigmoid curve.

Học thuật

Adjective

1. of or relating to the sigmoid flexure in the large intestine
2. curved in two directions (like the letter S)

Từ đồng nghĩa

• sigmoidal