Q. Sigmoid notch is formed by
A) Cavity formed by humerus
B) Cavity formed by radio-ulna
C) Cavity formed by tibio-fibula
D) Cavity formed by femur
Explanation
In rabbit, at the elbow joints, ulna projects beyond the radius as an olecranon process, which has a deep sub-terminal sigmoid notch for articulation with the distal end of humerus.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.