Chalazas
Chalaza Cha*la"za, n.; pl. E. {Chalazas}, L. {Chalaz[ae]}. [NL., fr. Gr. ? hail, pimple.] 1. (Bot.) The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus. [1913 Webster]

2. (Biol.) 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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • chalazas — n. transparent albuminose twisted strands which attach the egg yolk to the shell membrane (Zoology); base of an ovule across the micropyle to which the end of the funicle is attached (Botany) …   English contemporary dictionary

  • Chalaza — Cha*la za, n.; pl. E. {Chalazas}, L. {Chalaz[ae]}. [NL., fr. Gr. ? hail, pimple.] 1. (Bot.) The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus. [1913 Webster] 2. (Biol.) A spiral band of thickened… …   The Collaborative International Dictionary of English

  • Chalazae — Chalaza Cha*la za, n.; pl. E. {Chalazas}, L. {Chalaz[ae]}. [NL., fr. Gr. ? hail, pimple.] 1. (Bot.) The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus. [1913 Webster] 2. (Biol.) A spiral band of thickened …   The Collaborative International Dictionary of English

  • Chalaziferous — Chal a*zif er*ous, a. [Chalaza + ferous.] Having or bearing chalazas. [1913 Webster] || …   The Collaborative International Dictionary of English

  • Chalaza — The chalaza (  /kəˈl …   Wikipedia

  • chalaza — chalazal, chalazian /keuh lay zee euhn/, adj. /keuh lay zeuh/, n., pl. chalazas, chalazae / zee/. 1. Zool. one of the two albuminous twisted cords which fasten an egg yolk to the shell membrane. 2. Bot. the point of an ovule or seed where the… …   Universalium

  • chalaza — /kəˈleɪzə/ (say kuh layzuh) noun (plural chalazae /kəˈleɪzi/ (say kuh layzee) or chalazas) 1. Zoology one of the two albuminous twisted cords which fasten an egg yolk to the shell membrane. 2. Botany the part of an ovule to which the extremity of …   Australian English dictionary

  • chalaza — {{#}}{{LM C08131}}{{〓}} {{[}}chalaza{{]}} ‹cha·la·za› {{《}}▍ s.f.{{》}} {{♂}}En un huevo,{{♀}} filamento que sostiene la yema en medio de la clara: • Un huevo tiene dos chalazas, compuestas de albúmina y en forma de espiral.{{○}} …   Diccionario de uso del español actual con sinónimos y antónimos

  • chalaza — [kə lā′zə] n. pl. chalazae [kə lā′zē] or chalazas [ModL < Gr, hail < IE base * gheləd , ice > Pers žāla, hail, OSlav žlědica, sleet] 1. either of the spiral bands of dense albumen extending from the yolk toward the lining membrane at… …   English World dictionary

  • chalaziferous — |kalə|zif(ə)rəs adjective Etymology: International Scientific Vocabulary chalaz (from New Latin chalaza) + i + ferous : having chalazas …   Useful english dictionary

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