【化】 head-to-tail polymer
beginning or end; cobbra; conk; crumpet; end; first; garret; hair; head
leading; nob; noddle; pate; sconce; side; top; twopenny
【医】 capita; caput; cephal-; cephalo-; head; kephal-; kephalo-
end; remnant; tail; trail
【化】 tail end
【医】 cauda; caudae; tail
【化】 polymer
【医】 polymer; polymerid; polymeride