Sigmoidal
Encyclopedia
Sigmoidal or sigmoid, literally means S-shaped and can refer to:
- Sigmoid functionSigmoid functionMany natural processes, including those of complex system learning curves, exhibit a progression from small beginnings that accelerates and approaches a climax over time. When a detailed description is lacking, a sigmoid function is often used. A sigmoid curve is produced by a mathematical...
- Sigmoidal artery
- Sigmoid colonSigmoid colonThe sigmoid colon is the part of the large intestine that is closest to the rectum and anus. It forms a loop that averages about 40 cm...