Nucellus



[noo-sel-uh s, nyoo-] /nuˈsɛl əs, nyu-/

noun, plural nucelli
[noo-sel-ahy, nyoo-] /nuˈsɛl aɪ, nyu-/ (Show IPA). Botany.
1.
the central cellular mass of the body of the ovule, containing the embryo sac.
/njuːˈsɛləs/
noun (pl) -li (-laɪ)
1.
the central part of a plant ovule containing the embryo sac
nucellus
(n-sěl’əs)
Plural nucelli (n-sěl’ī)
The megasporangium of a seed-bearing plant, located in the ovule. In angiosperms, it is the central portion of the ovule in which the embryo sac develops. In some cases of apomixis (production of seeds without fertilization), cells of the nucellus develop into an embryo.

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  • Nucha

    [noo-kuh, nyoo-] /ˈnu kə, ˈnyu-/ noun, plural nuchae [noo-kee, nyoo-] /ˈnu ki, ˈnyu-/ (Show IPA) 1. . /ˈnjuːkə/ noun (pl) -chae (-kiː) 1. (zoology, anatomy) the back or nape of the neck nucha nu·cha (nōō’kə, nyōō’-) n. The back of the neck; the nape. nu’chal adj.



  • Nuchae

    [noo-kuh, nyoo-] /ˈnu kə, ˈnyu-/ noun, plural nuchae [noo-kee, nyoo-] /ˈnu ki, ˈnyu-/ (Show IPA) 1. . /ˈnjuːkə/ noun (pl) -chae (-kiː) 1. (zoology, anatomy) the back or nape of the neck nucha nu·cha (nōō’kə, nyōō’-) n. The back of the neck; the nape. nu’chal adj.

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    nuchal ligament n. A band at the back of the neck, extending cranially from the occipital bone to the rear border of the great foramen and caudally to the seventh cervical spinous process.



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