144.A 36-year-old woman internist completes a 4 week medical mission
to rural Bahia, Brazil. Eighteen months after her return she complains of
loss of sensation in her hands and feet. Neurologic examination reveals loss
of temperature, light touch, pain, and deep pressure on her hands and feet.
A hypopigmented macula is present on the dorsum of her hand. A lep-
romin test is positive and a biopsy reveals inflammation of the structure
labeled C in the accompanying photomicrograph. The structure labeled C
is which of the following?
234 Anatomy, Histology, and Cell Biology
a. Perineurium
b. Epineurium
c. Endomysium
d. Perimysium
e. Tunica media
(Micrograph courtesy of Dr. John K.Young.)