This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
Transcellular fluid is seen in 
Select and explain. 
A. Body cavities lined by epithelium, B. Intracellularly, C. Intercellularly, D. None of the above
A: Body cavities lined by epithelium
Answer: A: Body cavities lined by epithelium 
Explanation: It represents fluid in the lumen of structures lined by epithelium. (Ref: Textbook of physiology AK Jain 5th edition page no.25)