【单选题】which structure does the arrow shows:
【单选题】which structure does the arrow shows:
A.
distal convoluted tubule
B.
proximal convoluted tubule
E.
ascending thick segment
【单选题】which structure does the arrow shows:
【单选题】which structure does the arrow shows:
【单选题】which structure does the arrow shows:
C.
respirtory bronchioles
【单选题】which structure does the arrow shows: