trochlear notch

English

Noun

trochlear notch (plural trochlear notches)

1. (anatomy) A deep depression in the proximal end of the ulna by which the ulna articulates with the trochlea of the humerus at the elbow.

   Synonyms: semilunar notch, sigmoid notch

References

• “trochlear notch”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.