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: Dental
False about enamel spindle is 
Select and explain. 
A. Diameter = 2 micrometer, B. Extended odontoblastic process in enamel, C. Oriented At an acute angle to the dentine, D. Dark dehydrated in transmitted light
C: Oriented At an acute angle to the dentine
Answer: C: Oriented At an acute angle to the dentine 
Explanation: Enamel spindle-

Diameter (2μ)
Extended odontoblast processes in enamel
Perpendicular (right angle) to dentin
DDT (Dark – Dehydrated – Transmitted light)