211.The following question refers to the photomicrograph below of a
plastic-embedded, thin section. The structure labeled A is which of the
following?
Gastrointestinal Tract and Glands 319a. A parasympathetic ganglion
b. A cluster of hepatocytes
c. A serous acinus
d. An intralobular duct
e. An islet of Langerhans
(Micrograph courtesy of Eileen Roach.)