Fig. 1. The brain of Octopus minor. (A) Left: a live specimen of O. minor resting in seawater. Inset: an isolated O. minor brain with surrounding cranial cartilage. Scale bar=5 mm. Right: The yellow-lined box in the left panel is magnified to indicate the location of the brain. (B) Stereoscopic images of an O. minor brain from different views. Scale bar=2 mm. (C) Gross anatomy of the O. minor brain. A, anterior; P, posterior; D, dorsal; V, ventral; M, medial; L, lateral.
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