The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 2005 |
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Page 304
... sex reversal and the development of hermaphroditism - the presence of both male and female sex organs in one animal ; nearly all opisthobranchs and pulmonates are hermaphrodites . Such changes occurred more than once during gastro- pod ...
... sex reversal and the development of hermaphroditism - the presence of both male and female sex organs in one animal ; nearly all opisthobranchs and pulmonates are hermaphrodites . Such changes occurred more than once during gastro- pod ...
Page 312
... sexes . Some groups of bivalves , typ- ically those occupying specialized habitats , have adopted hermaphroditism as ... sex develops first . Typically , this is the male phase ( protandry ) , but in a few cases it is the female ( protog ...
... sexes . Some groups of bivalves , typ- ically those occupying specialized habitats , have adopted hermaphroditism as ... sex develops first . Typically , this is the male phase ( protandry ) , but in a few cases it is the female ( protog ...
Page 441
... sex hormones . Damage to the ventromedial hypothalamus ( VMH ) also arrests estrus in females and sexual behaviour in males , but hormone replacement therapy successfully restores these functions , suggesting that VMH is involved with ...
... sex hormones . Damage to the ventromedial hypothalamus ( VMH ) also arrests estrus in females and sexual behaviour in males , but hormone replacement therapy successfully restores these functions , suggesting that VMH is involved with ...
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albite amphiboles ancient aragonite areas atoms basalt bivalves body calcite calcium called carbonate central centre century cephalopods chemical clay minerals colour common composition contain crust crystals ctenidia cult cultural deities deposits developed dolomite Earth economic eggs electron evaporite example existence facies feldspar Figure garnet gastropods goddess gods grains Hittite human igneous rocks important industrial kaolinite king known layers limestone magma magnetic major mantle cavity marine material mental metamorphic rocks metaphysics Mexican Mexico City mica Michelangelo microscope millimetres Milton mimicry mind Mineralogy modern Molière Mongolia Mongols Moscow myth nature object occur ocean olivine organic originally oxide percent period philosophers physical plagioclase political population pressure produced properties pyroxene quartz reaction region religion religious reprinted result sandstones sedimentary rocks sediments shell silicate smectite snails society species structure Sumerian surface temperature temple tetrahedrons texture tion typically United urban volcanic