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Webster 1913 Edition

(sĕnˊtrō̍-lĕs′ĭ-thal)

Adj.

[Gr.

κέντρον

center +

λέκιθοσ

yolk of an egg.]

(Biol.)

Having the food yolk placed at the center of the ovum, segmentation being either regular or unequal.

Balfour.

centrolecithal ‎(not comparable)

(biology) Having the yolk placed in the centre of the cytoplasm of the ovum
Many arthropod eggs are centrolecithal.