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Apr 14, 2021 11 tweets 3 min read Read on X
On this day in 2015, the obscenity trial of artist Megumi Igarashi, known as Rokudenashiko ("good-for-nothing girl") began in Japan. Photo by Dayna Evans
Rokudenashiko's trial surrounded a controversial work of hers: a kayak based on her own vulva. AFPReuters/Eigo Shimojo
Rokudenashiko's work aims to destigmatise the manko - a Japanese term for vagina and vulva - by showing the anatomy in a light-hearted and playful way. She wanted to make the manko "casual and pop".
Her other works involve dioramas, phone cases, a remote-controlled car and even a chandelier, all featuring manko. Decoman sculpture by Rokudenashiko, Shinjuku Gankagarou GallBy Rokudenashiko
Rokudenashiko was arrested in July 2014 on obscenity charges related to the kayak. She spent 10 days in prison. The result was a mixed verdict.
She was found not guilty on charges related to the sculpture, but guilty of charges related to 3D scans of her vulva, which she had sent to crowdfunder donors. She was fined ¥400,000.
Much of her art has been confiscated in a police raid.
Rokudenshiko's trial has raised questions about obscenity, and a double standard in Japanese culture where there is a penis festival but a woman artist was arrested for creating vulva art.
Following her trial, Rokudenashiko released a manga memoir about her experiences. A page from "What Is Obscenity? The Story of A Good For
Rokudenashiko now lives in Scotland with her husband and is raising a family... and continues to make vulva themed art. Manko-chan by Rokudenashiko
She's a friend of the Vagina Museum. In 2019 she donated sculptures to our start-up crowdfunder and we were privileged to meet with her. We just can't get enough of her playful work. We love you, Megumi!

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More from @vagina_museum

Aug 27
Today in AI Is Not A Good Source For Learning About The World's Most Misunderstood Body Part, meet this ChatGPT gem.

Funnily enough, we're actually going to talk about how most of this is kinda sorta right (for small values of right), as a cautionary tale about generative AI. Screenshot of a reddit post: ChatGPT asked if I wanted a diagram of what's going on inside my pregnant belly.  A screenshot of ChatGPT's response. It is a side view of a foetus gestating in the uterus. The foetus is head-up with no umbilical cord or placenta. Behind the uterus is the rectum, which is unlabelled. Trailing down from between the rectum and spine, extending beneath the buttocks to the inner thigh is a yellow line labelled "pudendal nerve. At the front is an oval-shaped part labelled "cervix". And then we really struggle to image describe this bit. The uterus and ...
Generative AI products like ChatGPT work by scanning data, and then concocting a response which sounds like the data. In other words, it's always making something up, and giving an answer that sounds right based on what it has "learned". This is how we got here.
We'll start with the foetus in the uterus, chilling out in there in a head-up position with neither an umbilical cord nor a placenta (foetuses very much need those).
Read 19 tweets
May 1
What is a vagina? Finally, you sigh with relief, the Vagina Museum is out there answering a *simple* question.

We regret to inform you it's not that simple. It's actually fairly complicated, and here's why...
We'll start at the place that people go for a nice simple definition which absolutely misses all nuance and isn't a great place to learn biology: the dictionary.
Merriam-Webster gives us this: "a canal in a female mammal that leads from the uterus to the external orifice of the vulva"

Cambridge gives us this prounoun-laden definition: "the part of a woman or other female mammal's body that connects her outer sex organs to her uterus"
Read 13 tweets
Mar 6
We've been receiving a lot of requests for us to answer this crucial question, and we are delighted to attempt to provide you with the information you need as to whether you can read braille with your clit. Screenshotted reddit post: Can a clitoris be trained to read braille?  The average clitoris has around 10,000 nerve endings while the average finger has 3,000. So, one clitoris should be able to read braille better than three fingers or three times faster than one finger?
First of all, it is important to establish parameters on the scope of this question. It is in fact two questions: can you read braille with your clitoris, and does this impact reading speed?
For the purpose of answering this question, we will assume that the OP means the clitoral glans. The glans is the only part of the clitoris which sticks out. The rest of it is beneath the skin of the vulva. Here's what the whole organ looks like; the glans is at the top. Illustration of the clitoris. At the top is the glans. It attaches to the body which bends. It has two crura like wings, and two bulbs which squeeze the urethra and vagina. A vulva is overlaid over the image, showing the position of the glans and its hood.
Read 20 tweets
Jan 30
Being a Vagina Museum, we run up against a lot of myths about the world's most misunderstood body parts. Heck, we even dedicated an entire exhibition to the topic.

One myth we encounter fairly frequently is that dogs have periods. Today, we're going to address that...
Having a menstrual cycle is very rare in nature. A period is a phase in the ovarian cycle where the endometrium - the lining of the uterus - is shed. It will then regenerate each cycle, because for whatever reason, embryos only implant in fresh endometrium.
Only a handful of animals shed the endometrium and have a menstrual cycle. For all other mammals, they get rid of old endometrium in a different way: they reabsorb it if they don't get pregnant.
Read 13 tweets
Jan 8
Rana temporaria is the taxonomic name of the common frog. They're very, very common in Europe and parts of Asia. Except they have a way of determining sex which is (so far) very, very uncommon... Photo of a green-brown frog sitting on a log. Image credit: Richard Bartz.
Some animals determine sex based on genes - there's multiple approaches to this, including the XY system (most common in mammals); the XO system (many invertebrates) the ZW system (most common in birds); and the XYXYXYXYXY system (pretty much just platypuses and echidnas).
Under these systems, if an embryo has one type of chromosome set, it will develop as female; the other and it will develop as male (most of the time).
Read 10 tweets
Oct 17, 2024
Ever wondered what a menstrual cup is doing in there during use? Thanks to science, we now know where it sits: pretty close to the cervix, turns out. In this MRI scan, the cup is coloured in green, blue shows the vagina, the cervix is outlined in yellow and the uterus in orange. Side view MRI showing the gynaecological organs, with parts coloured. The cup is coloured in green, blue shows the vagina, the cervix is outlined in yellow and the uterus in orange. The cup is positioned around the cervix, its sides extending past the cervix. The entire cup is inside the vagina.
The reason this research was done is rather interesting. Maria Friburg and colleagues (2023) needed to know exactly where a menstrual cup sits in the body to answer a related question: can bacteria that causes Toxic Shock Syndrome grow on a menstrual cup?
To answer this question, the researchers needed to know, first of all, whether the test environment for growing bacteria was aerobic (containing oxygen) or anaerobic. If the cup was lower, it would hold the vagina open, letting air in.
Read 7 tweets

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