This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
C cells are present in 
Select and explain. 
A. Thyroid gland, B. Parathyroid gland, C. Pituitary gland, D. Thymus
A: Thyroid gland
Answer: A: Thyroid gland 
Explanation: Cells of the ultimobranchial body give rise to the parafollicular or C cells of the thyroid gland. These cells secrete calcitonin, a hormone involved in regulation of the calcium level in the blood.Reference: Krishna Garg Histology; 5th edition; Page no: 230; 232