sustantivo (plural chalazae /kəˈleɪziː/)Zoology
(In a bird’s egg) each of two twisted membranous strips joining the yolk to the ends of the shell.
Oraciones de ejemplo
- In wheat, evidence was found that a barrier occurred in the chalaza, a small zone of cells between the maternal vascular tissue and the nucellus.
- In sections of caryopses, greenish yellow fluorescence was observed in the cell walls of the chalaza and the outer layers of the nucellar projection.
- The chalaza in a duck egg is not as noticeable as it is in a chicken egg and the white is more transparent with less yellow coloring.
- Oraciones de ejemplo
- Note the chalazal vascular bundle that encircles about three-quarters of the seed and the two short side branches that contain phloem only.
- In addition, a strong staining was observed in maternal chalazal tissue shortly after fertilization, and persisted throughout seed development.
- No changes in the staining of chalazal cell walls were detected at the end of grain filling.
Early 18th century: modern Latin, from Greek khalaza 'small knot'.
¿Qué te llama la atención de esta palabra o frase?
Los comentarios que no respeten nuestras Normas comunitarias podrían ser moderados o eliminados.
Muy popular en Reino Unido
Muy popular en Australia
= de moda