19.位於蝶鞍(sella turcica)兩邊的靜脈竇(venous sinus)為:
(A)直竇(straight sinus)
(B)上岩竇(superior petrosal sinus)
(C)橫竇(transverse sinus)
(D)海綿竇(cavernous sinus)

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統計: A(12), B(57), C(106), D(212), E(0) #1618978