例句與造句

1. Structurally, the flowers may be bisexual, consisting of two stamens and an ovary, or may be male ( staminate ), lacking a functional ovary, or female ( carpellate ), lacking functional stamens.
2. A number of unusual reproductive features have been observed in the species including a number hermaphroditic individuals which have both functional ovaries and testes, with the ability for a change to the preference of one sex also occasionally observed.
3. A " Darwinopterus " specimen showcases that at least some pterosaurs had a pair of functional ovaries, as opposed to the single functional ovivary in birds, dismissing the reduction of functional ovaries as a requirement for powered flight.
4. A " Darwinopterus " specimen showcases that at least some pterosaurs had a pair of functional ovaries, as opposed to the single functional ovivary in birds, dismissing the reduction of functional ovaries as a requirement for powered flight.
5. Adult females have two functional ovaries and two functional ova; in the related black dogfish ( " Centroscyllium fabricii " ), the number of mature ova in a female is slightly greater than the number of resulting embryos, which suggests a litter size under 26 in the viper dogfish.
6. It's difficult to find functional ovary in a sentence. 用functional ovary造句挺難的
7. It has often been said by biologists that in sexual differentiation in mammals, the female is the " default " developmental pathway, in the sense that elimination of any of several gene actions necessary for formation of male genitalia leads to the development of external female genitalia ( though development of functional ovaries requires effective action of several less understood sex-specific genes ).
8. "' XX gonadal dysgenesis "'is a type of female hypogonadism in which no functional ovaries are present to induce puberty in an otherwise normal girl whose karyotype is found to be 46, XX . With nonfunctional " streak " ovaries she is low in estrogen levels ( hypoestrogenic ) and has high levels of LH . Estrogen and progesterone therapy is usually then commenced.
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