All are true about Diploic veins EXCEPT:
Diploic veins sta developing in the cranial bones at about 2 years of age and are fully developed at the age of 35 years. These are lined by a single layer endothelium suppoed by elastic tissue and are valveless.
Lined by single layer endothelium suppoed by elastic tissue
Present in Cranial bones
Valveless
Develop by 8th week of IUL
Abdomen: Miscellaneous