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Washington University Experience | BASIC PROCESSES | Inclusion, Colloid | 1A1 Inclusion, colloid body (Case 1) N8 medulla H&E 8
Colloid bodies (arrow) are pale areas of dilated cisternae of endoplasmic reticulum which are most common in the hypoglossal nucleus (seen here at low magnification) but may develop in anterior horn motor neurons. (H&E)