(n.) The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus.
(n.) A spiral band of thickened albuminous substance which exists in the white of the bird's egg, and serves to maintain the yolk in its position; the treadle.
Example Sentences:
Chalazal
Definition:
(a.) Of or pertaining to the chalaza.
Example Sentences:
(1) The chalazal halves of ovules of C. media L. 'Citron of Commerce' were used as control repressor source.
(2) Nucellus cells also stored diverse substances and enzymes especially towards the chalazal end.