動物 - 動物の生殖

the ability of a living organism to produce a large number of offspring or viable eggs or seeds

肥沃性

a sexual orientation characterized by a lack of sexual attraction or desire for sexual activity

アセクシャリティ

a type of reproduction where a single organism can produce offspring without the involvement of another organism

無性生殖

(of birds, fish, etc.) to come out of an egg

孵る

the process of mating animals, plants, or microorganisms with desirable characteristics to produce offspring with those same traits

繁殖

the eggs that an aquatic animal or an amphibian lays and are covered with a transparent layer

産卵

(of a bird, insect, fish, etc.) to produce eggs

卵を産む

(of an animal) to have sex and give birth to young

繁殖する

a young form of an insect or an animal that has come out of the egg but has not yet developed into an adult

幼虫

to introduce male reproductive cells (sperm) into the female reproductive system to unite with the female reproductive cell (egg)

受精させる

the stage of the metamorphosis that comes between the larval and adult stages of a moth or butterfly

蛹

a male sex hormone, such as testosterone, that is responsible for the development and maintenance of male characteristics in humans and animals

アンドロゲン

(of animals) to have sex for breeding or reproduction

交尾する

an amphibian in the larval stage

オタマジャクシ

the union of a sperm and an egg to form a zygote, which marks the beginning of sexual reproduction in organisms

受精

the parents, grandparents and the ancestors of an animal that are all purebred, or a certificate that proves this

系譜

to remove the sexual organs of a female animal, called ovaries

スぺイする

the inability of a person, animal or plant to reproduce

不妊

a person or animal that produces offspring through reproduction

繁殖者

to make an animal or plant breed with a different type; to breed with a different animal or plant

交配する

to remove the sex organs of a domestic animal in order to keep it from reproduction

去勢する

a hen that sits on her eggs with the intention of hatching them

抱卵中の雌鶏

to keep an egg in a favorable condition to help it develop until it hatches

インキュベートする

all the young of a bird hatched at the same time, or the young of an animal cared for together

ひな

the eggs laid by a frog, covered in a jelly-like mucus

カエルの卵

to give birth to a calf (a young bovine animal)

子牛を産む

the young wormlike larva of an insect

幼虫

an insect which is in an inactive transitory stage of its metamorphosis, between the larval and adult stages

さなぎ

to give birth to a litter of piglets

子豚を出産する

the caterpillar of a silk moth that forms a cocoon during metamorphosis, which is later processed into silk

繭虫

incapable of reproducing or having children

不妊の

an amphibian in larval stage; a tadpole

オタマジャクシ

to produce or to give birth to a young horse or pony

子馬を生む

a special cell used for reproduction, with sperm cells being the male gametes and egg cells being the female gametes

生殖細胞

to carry a developing embryo or fetus inside the uterus of a female mammal until it is ready to be born

妊娠する

an organism that has both male and female reproductive organs

両性体

to fertilize an egg and make it capable of developing into an embryo

受精する

to give birth to a lamb, usually used in reference to sheep

子羊を出産する

to produce offspring sexually, typically involving the union of male and female reproductive cells

繁殖する

(of a living being) to produce offspring or more of itself

繁殖する

to give birth to puppies or young dog

子犬を産む

ancestors of an animal, particularly while referring to the good characteristics that it has inherited from them

血統

to engage in sexual reproduction or mating

交尾する

to go through a period of sexual activity or sexual aggression, especially in certain animals during their mating season

繁殖行動を取る

the time between exposure to a pathogen and the onset of symptoms

潜伏期間

to beget, procreate, or father offspring, typically used in reference to male animals

父親になる

to introduce semen into the reproductive system, often by artificial means

人工授精する

the smallest and most motile cells in the male reproductive system responsible for fertilizing the female egg

精子

the recurring period of sexual receptivity and fertility in female mammals

発情期

an oval or rounded object laid by birds, reptiles, fish, or certain invertebrates as part of their reproductive process

卵