Photomicrograph from Mars Lander Phoenix shows interfascicular
oligodendrocyte
(a kind of neuroglial cells)

NASA’s latest photomicrograph contains many cell remains, one of which
is identified and labeled in Fig. 1 below.
Fig. 1: Look at Cell D closely and compare it with Cell D of Fig. 2
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Fig. 2: textbook drawing of interfascicular oligodendrocyte (drawing
D, too)
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