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Axes and Orientation

This section describes the general terms used to orient different parts of the crab. The major axes run from front-to-back, top-to-bottom, and from center-to-exterior.

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Illustration of the anterior-posterior axis of the crab. Figure modified from Crane (1975). image
Illustration of the anterior-posterior axis of the crab. Figure modified from Crane (1975).
Illustration of the dorsal-ventral axis of the crab. Figure modified from Crane (1975). image
Illustration of the dorsal-ventral axis of the crab. Figure modified from Crane (1975).
Illustration of the proximal-distal axes of the crab. Figure modified from Crane (1975). image
Illustration of the proximal-distal axes of the crab. Figure modified from Crane (1975).