| 释义 |
cha·la·za
\kəˈlāzə\ noun
(plural chala·zae \-ˌzē\ ; or chalazas)
Etymology: New Latin, from Greek, hailstone, hard lump, chalazion; akin to Old Slavic žlědica frozen rain, Persian zhāla hail
1. : either of a pair of spiral bands of thickened albuminous substance in the white of a bird's egg that extend out from opposite sides of the yolk to the ends of the egg and are there attached to the lining membrane — called also treadle; see egg illustration
2. : the region at the base of an ovule where the seedstalk is attached and from which the integuments arise
• cha·la·zi·an \-_zēən\ adjective |