Chalaza - Law Dictionary Search Results
Home Dictionary Name: chalazaChalazogamy
A process of fecundation in which the pollen tube penetrates to the embryosac through the tissue of the chalaza instead of entering through the micropyle It was originally discovered by Treub in Casuarina and has since been found to occur regularly in the families Betulaceaelig and Juglandaceaelig Partial chalazogamy is found in Ulmus the tube here penetrating the nucleus midway between the chalaza and micropyle...
Chalaza
The place on an ovule or seed where its outer coats cohere with each other and the nucleus...
Chalazal
Of or pertaining to the chalaza...
Chalaze
Same as Chalaza...
Chalaziferous
Having or bearing chalazas...
Omphalode
The central part of the hilum of a seed through which the nutrient vessels pass into the rhaphe or the chalaza called also omphalodium...
Orthotropal
Having the axis of an ovule or seed straight from the hilum and chalaza to the orifice or the micropyle atropous...
Ovule
The rudiment of a seed It grows from a placenta and consists of a soft nucleus within two delicate coatings The attached base of the ovule is the hilum the coatings are united with the nucleus at the chalaza and their minute orifice is the foramen...
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