A1 noun Neutral #2,785 más común

抗体

kōtai koːtaɪ

An antibody is a protective protein produced by your immune system to fight off harmful substances like viruses or bacteria. It acts like a specialized soldier that remembers specific germs to prevent you from getting sick from the same thing twice.

Ejemplos

3 de 5
1

ワクチンを打ったので、抗体ができました。

I got the vaccine, so I developed antibodies.

2

検査の結果、十分な抗体が確認されました。

As a result of the test, sufficient antibodies were confirmed.

3

もう抗体持ってるから大丈夫だよ。

I already have antibodies, so I'm fine.

Familia de palabras

Sustantivo
抗体
Relacionado
免疫
💡

Truco para recordar

Think of the Kanji: 'Kō' (抗) means 'against/resist' and 'Tai' (体) means 'body'. It's your body's way of resisting invaders.

Quiz rápido

病気を防ぐために、体の中に___が作られます。

¡Correcto!

La respuesta correcta es: 抗体

Ejemplos

1

ワクチンを打ったので、抗体ができました。

everyday

I got the vaccine, so I developed antibodies.

2

検査の結果、十分な抗体が確認されました。

formal

As a result of the test, sufficient antibodies were confirmed.

3

もう抗体持ってるから大丈夫だよ。

informal

I already have antibodies, so I'm fine.

4

抗体は特定の抗原にのみ結合する性質を持つ。

academic

Antibodies have the property of binding only to specific antigens.

5

入国には抗体検査の証明書が必要です。

business

An antibody test certificate is required for entry into the country.

Familia de palabras

Sustantivo
抗体
Relacionado
免疫

Colocaciones comunes

抗体ができる to develop antibodies
抗体検査 antibody test
抗体を持つ to have antibodies
抗体価 antibody titer/level
中和抗体 neutralizing antibody

Frases Comunes

抗体検査を受ける

to take an antibody test

抗体反応

antibody response

抗体をつくる

to produce antibodies

Se confunde a menudo con

抗体 vs 抗原

An antigen (kōgen) is the foreign invader (virus/bacteria), whereas an antibody (kōtai) is the body's defense against it.

📝

Notas de uso

While it is a medical term, it became a common household word in Japan due to the COVID-19 pandemic. It is almost always used with the verbs 'dekiru' (to be made) or 'motsu' (to possess).

⚠️

Errores comunes

Learners often confuse it with 'antigen' (抗原) or use the general word for 'immunity' (免疫) when they specifically mean the proteins (antibodies).

💡

Truco para recordar

Think of the Kanji: 'Kō' (抗) means 'against/resist' and 'Tai' (体) means 'body'. It's your body's way of resisting invaders.

📖

Origen de la palabra

A Sino-Japanese compound of 抗 (resist/anti-) and 体 (body/substance).

Patrones gramaticales

Noun + がある (to have/there is an antibody) Noun + ができる (antibodies are formed)
🌍

Contexto cultural

In Japan, regular health checkups and vaccinations are common, making this term visible in medical documents and news broadcasts.

Quiz rápido

病気を防ぐために、体の中に___が作られます。

¡Correcto!

La respuesta correcta es: 抗体

Palabras relacionadas

協力

A1

Cooperation or collaboration where two or more people combine their efforts to achieve a common goal. It is used in both personal and professional settings to describe working together as a team or providing assistance.

提案

A1

A suggestion or proposal of a plan or idea for others to consider. It is used in both casual conversations and professional meetings to introduce a potential course of action.

輸出

A1

The act of sending goods or services produced in one country to another country for sale or trade. In Japanese, it functions as a noun and a suru-verb, representing the 'exit' of products from a domestic market.

輸入

A1

The act of bringing goods, services, or materials into a country from abroad for sale or use. In Japanese, it functions as a noun or can be combined with 'suru' to become a verb meaning 'to import'.

資源

A1

Shigen refers to valuable materials or assets, such as natural minerals, energy sources, or human talent, that can be used for production or survival. It is widely used in economics, environmental science, and daily life to describe both raw materials and abstract wealth.

保護

A1

The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.

観察

A1

Observation is the act of watching someone or something carefully in order to gain information or understand a process. It is frequently used in scientific studies, nature analysis, and describing the act of paying close attention to details.

競争

A1

Kyousou refers to the act of competing or vying with others to achieve a goal, win a prize, or establish superiority. It is a versatile term used in sports, business, and academics to describe both structured contests and general rivalry.

拡大

A1

The act of making something larger in size, scale, or scope. It is frequently used for physical enlargement (like a photo) or abstract growth (like a business or a problem).

製造

A1

The process of making or producing goods, typically on a large scale using machinery. It refers specifically to industrial manufacturing rather than making things by hand on a small scale.

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