| cephalization |
The headward tendency of parts in phylogenetic development; the tendency of the centers to move forward, and of organs to become innervated from centers more anteriorly placed.
Ãâó: www.meridianinstitute.com/eamt/files/burns2/bur2gl...
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| cephalization |
This term refers to the formation of a distinct head region ?ie localization of sensory organs, mouth and brain ganglia in the anterior region of the animal. This is seen to a small degree in nematode, but to a much larger degree in annelids, arthropods and chordates.
Ãâó: faculty.mwsu.edu/biology/jon.scales/Courses/Zoolog...
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