| D008297 |
Male |
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Males |
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| D010063 |
Ovum |
A mature haploid female germ cell extruded from the OVARY at OVULATION. |
Egg,Egg, Unfertilized,Ova,Eggs, Unfertilized,Unfertilized Egg,Unfertilized Eggs |
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| D010675 |
Pheromones |
Chemical substances, excreted by an organism into the environment, that elicit behavioral or physiological responses from other organisms of the same species. Perception of these chemical signals may be olfactory or by contact. |
Allelochemical,Allelochemicals,Allomone,Allomones,Ectohormones,Kairomone,Kairomones,Pheromone,Semiochemical,Semiochemicals,Synomones |
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| D011247 |
Pregnancy |
The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. |
Gestation,Pregnancies |
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| D004971 |
Estrus |
The period in the ESTROUS CYCLE associated with maximum sexual receptivity and fertility in non-primate female mammals. |
|
|
| D005260 |
Female |
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Females |
|
| D000388 |
Air |
The mixture of gases present in the earth's atmosphere consisting of oxygen, nitrogen, carbon dioxide, and small amounts of other gases. |
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|
| D000818 |
Animals |
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. |
Animal,Metazoa,Animalia |
|
| D001695 |
Biology |
One of the BIOLOGICAL SCIENCE DISCIPLINES concerned with the origin, structure, development, growth, function, genetics, and reproduction of animals, plants, and microorganisms. |
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|
| D001717 |
Birds |
Warm-blooded VERTEBRATES possessing FEATHERS and belonging to the class Aves. |
Aves,Bird |
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