centrolecithal

[sen-troh-les-uh-thuhl]

adjective

Embryology.

1. having a centrally located yolk, as certain insect eggs or ova.

centrolecithal

/ ˌsɛntrəʊˈlɛsɪθəl /

adjective

1. zoology (of animal eggs) having a centrally located yolk

Word History and Origins

Origin of centrolecithal¹

First recorded in 1875–80; centro- + lecithal

Example Sentences

Segmentation is usually of the superficial or centrolecithal type.

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In other Arthropodan eggs the cleavage is on the so-called centrolecithal type, in which the dividing nuclei pass to the cortex of the ovum, and the surface of the ovum becomes indented with grooves corresponding to each nucleus.

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Centrolecithal: applied to eggs in which the food yolk is central.

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