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  • There's a lot of misinformation out there about what it means to be transgender.

    トランスジェンダーであることがどういうことなのかについて、間違った情報が数多くあります。

  • But recently scientists have begun to look more closely into the neurology, physiology, and psychology behind it.

    しかし、最近

  • So today, we're gonna break down what science does know in a respectful and educational way.

    科学者達はより詳細な調査を始めました。

  • Hey guys! I'm Gigi Gorgeous.

    神経学、生理学、心理学…

  • And today, I'm here with ASAPScience to break down 'The Science of Being Transgender'..

    その背景にあるものを。

  • Before we get too deep into it, we have to look at your genetic sex, or the chromosomes you have.

    今日は科学で解明されていることを整理してみましょう。

  • These were determined right at fertilization, when the sperm cell from your father, which carries an X or a Y chromosome fused with the egg from your mother, which carries an X chromosome.

    敬意を持って、教育的に。

  • But until 6 or 7 weeks after fertilization, both XY and XX embryos have identical gonads.

    やあ、みなさん!私はジジ・ゴージャスです。

  • Around 7 weeks, the male sex organs start to develop because of a gene on the Y chromosome called SRY.

    今日はASAPScienceにお邪魔しています。

  • It causes cells to become more specialized.

    「トランスジェンダーであることの科学」を分析するために。

  • And these cells create testosterone, which, in turn, triggers the development of structures like the penis and scrotum, while other cells block female development by degenerating the female ducts.

    深く掘り下げる前に、

  • However, in female development, because there is no Y chromosome with the SRY gene, these ducts stay intact and become the uterus, cervix, upper vagina, and the oviduct, with the help of estrogen, and chemicals secreted by the early kidney.

    あなたの遺伝的性を見なければなりません

  • But it's not always that simple.

    もしくはあなたが持っている染色体を。

  • There are sometimes even rare combinations, like XXY, XXX, XXYY, etc.

    これらはまさに受精の瞬間に決定しました。

  • And even people with XX chromosomes that develop male genitals and characteristics, due to a piece of the Y chromosome breaking off and switching places to an X chromosome.

    父親からの精子細胞が

  • But sexual differentiation in the brain actually happens much later than gonadal differentiation.

    XかYの染色体を持っていて、

  • And yes, although controversial, male and female brains have structural and functional differences between each other.

    X染色体を持つ母親の卵子と融合した時です。

  • Studies have found that males generally have a larger cerebrum, cerebellum, and hippocampus.

    しかし、受精後6~7週間後までは

  • While females have higher-density left frontal lobes and larger volumes in the right frontal lobes.

    XY胚もXX胚も、

  • So what exactly do we see when we look at the brain of a transgender person?

    同一の生殖腺を持っています。

  • Several studies have shown that transgender brains are both structurally and functionally more similar to their experienced gender identity than their biological sex.

    7週間前後で

  • One study found that transwomen, who, despite being assigned male at birth, had a smaller female-sized structure in the hypothalamus.

    男性器が発達し始めます。

  • MRI scans also show the brain structures of transpeople to be more similar in thickness to their experienced gender and not their sex.

    Y染色体上の遺伝子によるものです。

  • Finally, the pheromone androstadienone causes different hypothalamic responses in male and female brains.

    SRYと呼ばれるものです。

  • And when individuals with Gender Dysphoria were exposed to it, the hypothalamic response match their perceived gender rather than their sex.

    これは細胞の特殊化を引き起こします。

  • These studies help to highlight how masculinization or feminization of the gonads is not always the same as the brain.

    そしてこれらの細胞はテストステロンを生成します。

  • And that there's a difference between your sex, or your anatomy and your gender, or how we perceive our own bodies.

    それが引き金となって、

  • There also seems to be a genetic component to transgender identity.

    ペニスや陰嚢のような

  • Looking at family histories, gender identity in congruence seems to run in the family.

    組織の発達が起こります。

  • Meaning they may be inherited.

    一方で、他の細胞は女性の発達を妨げます。

  • The CYP17 gene, which controls the body's level of sex hormones, has a changed allele that is expressed frequently in transmen.

    女性の生殖管を退化させることで。

  • Although more research could be done, scientists are currently looking at over 3 million DNA markers for transgender identity to investigate any genetic link for being trans.

    しかし、女性の発達において、

  • Even though scientific studies validate the experience of transgender people, they're still suffering from more depression and anxiety than the general public.

    SRY遺伝子を持つY染色体がないので、

  • The risk of suicide is more prominent in transgender people who have been rejected by their family, discriminated in the workplace, or in healthcare.

    これらの管はそのまま残って子宮や

  • Suicide risks seem to decrease after gender transitioning, suggesting that Gender Dysphoria can cause an extreme amount of emotional pain, even to the point of suicide.

    子宮頸管、膣上部、卵管になります。

  • If you, a family member, or a friend is suffering from Gender Dysphoria, there are a few links in the description for more information.

    エストロゲンと初期の腎臓から分泌される…

  • Thank you so much Gigi for being part of this video.

    化学物質の力を借りて。

  • It means so much and we're happy that you are here to do this with us.

    しかし、必ずしもそれほどシンプルではありません。

  • Ah, well, thank you guys for using your channel, your platform, validating transgender experiences with science, which just brings us closer to equality.

    珍しい組み合わせが起こることもあります。

  • Absolutely!

    XXY、XXX、XXYYなどの。

  • If you guys wanna check out Gigi's channel, we'll put links in the description or on the screen somewhere.

    また、男性器や男性の特徴を

  • Otherwise, you can subscribe for more science here, every week, and we'll see you next time.

    発達させるXX染色体を持っている人でさえ、

  • Peace!

    Y染色体の一部が分裂することによって

There's a lot of misinformation out there about what it means to be transgender.

トランスジェンダーであることがどういうことなのかについて、間違った情報が数多くあります。

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B2 中上級 日本語 ジェンダー トランス 染色 性別 遺伝 男性

トランスジェンダーであることの科学 ft.ジジ・ゴージャス (The Science of Being Transgender ft. Gigi Gorgeous)

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    jeremy.wang   に公開 2021 年 01 月 14 日
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