Haversian osteons: size, distribution, internal structure, and orientation.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001846:Bone Development; D001842:Bone and Bones / Q000032:analysis / Q000166:cytology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008962:Models, Theoretical; D013977:Tibia / Q000032:analysis / Q000166:cytology