This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
The synol bursa which commonly communicates with the cavity of the shoulder joint is 
Select and explain. 
A. Subscapular bursa, B. Infraspinatus bursa, C. Subacromial bursa, D. Supraspinatus bursa
A: Subscapular bursa
Answer: A: Subscapular bursa 
Explanation: The joint cavity communicates with the subscapular bursa, with the synol sheath for the tendon of the long head of the biceps brachii, and often with the infraspinatus bursa.Ref: BD Chaurasia; Volume 1; 6th edition; Page no: 144