Asked by chinnu koduru on Sep 22, 2024
Verified
The trochlear notch of the ulna articulates with the ________ of the humerus.
A) olecranon fossa
B) trochlea
C) head
D) capitulum
E) intertubercular sulcus
Trochlear Notch
is a deep, curved notch at the proximal end of the ulna, articulating with the trochlea of the humerus in the elbow joint.
Trochlea
A smooth, grooved articular process shaped like a pulley, found in certain joints such as the elbow, facilitating movement.
Articulates
Relates to joints or articulation points in the skeleton where two or more bones come together, allowing for movement.
- Elucidate the connections between skeletal structures in the upper arm.
- Describe the anatomical features specific to the humerus and its articulations.
Verified Answer
PD
Patricia Duncan6 days ago
Final Answer :
B
Explanation :
The trochlear notch of the ulna is part of the ulna bone in the forearm and forms the hinge joint with the humerus bone of the upper arm. Specifically, it articulates with the trochlea of the humerus, which is one of two condyles on the distal end of the humerus bone.
Learning Objectives
- Elucidate the connections between skeletal structures in the upper arm.
- Describe the anatomical features specific to the humerus and its articulations.