This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Parotid capsule is derived from? 
Select and explain. 
A. Superficial cervical fascia, B. Deep cervical fascia, C. Both of the above, D. None of the above
B: Deep cervical fascia
Answer: B: Deep cervical fascia 
Explanation: The parotid gland is enclosed within an unyielding parotid capsule, the deep pa of which is derived from the investing layer of deep cervical fascia.