Afferent vessels enter the __________ side of the lymph node, and efferent vessels exit the __________ side of the lymph node.

Afferent vessels enter the __________ side of the lymph node, and efferent vessels exit the __________ side of the lymph node.

Afferent vessels enter the __________ side of the lymph node, and efferent vessels exit the __________ side of the lymph node.


A. convex; concave
B. concave; convex
C.top; bottom

Answer: A