This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inflammation & Repair, Subject name: Pathology
The following is not an adhesion molecule? 
Select and explain. 
A. Spectrin, B. Integrins, C. Selectins, D. Cadherin
A: Spectrin
Answer: A: Spectrin 
Explanation: Ans. (a) Spectrin(Ref: Robbins 9th/pg 75-76; 8th/pg 48-49)Families of CAMsIg (immunoglobulin) superfamilyIntegrinsCadherinsSelectins.