Telolecithal (Greek telo = end, lekithos = yolk) refers to the uneven distribution of yolk in the cytoplasm of ovums of found in birds, reptiles, and fish. The yolk is concentrated at one pole of the egg separate from the developing embryo.

This type of egg undergoes meroblastic or discoidal cleavage, where yolk is not incorporated in the cells during cell division.

See also

• Centrolecithal
• Isolecithal

References