sigmoid
/'sigmɔid/
Definition
- 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.
Adjective
-
of or relating to the sigmoid flexure in the large intestine
-
curved in two directions (like the letter S)
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