【医】 primary nail field
former; original
【化】 ortho-
【医】 arch-; arche-; ortho-; pro-; prot-; proto-
armour; first; nail; shell
【医】 carapace; concha; conchae; helo-; nail; onycho-; onyx
area; borough; classify; distinguish; district; region; section
【计】 region
【医】 area; belt; field; quarter; regio; region; zona; zone