受精需移动15厘米?科学家被骗了300多年
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人类精子从出发到达输卵管中并与卵子完成受精,通常来说它们需要移动15厘米到18厘米的距离。 考虑到精子是动物最小的细胞之一——人类精子从顶体到末端的长度差不多只有50微米左右,移动超过15厘米不是一件不容易的事。 事实上,不仅距离上对精子来说很遥远,在15厘…
人类精子从出发到达输卵管中并与卵子完成受精,通常来说它们需要移动15厘米到18厘米的距离。 考虑到精子是动物最小的细胞之一——人类精子从顶体到末端的长度差不多只有50微米左右,移动超过15厘米不是一件不容易的事。 事实上,不仅距离上对精子来说很遥远,在15厘…
撰文 | 石云雷 受精过程是人类得以繁衍的必要条件。一个成熟的精子想要与成熟的卵子结合,它需要超过同期竞争的数十亿个精子。因此,这颗精子需要具有优异的游动能力,在与卵细胞相遇后,具有更快地分泌酶,从而溶解透明带和卵细胞膜的能力。这场生命最初的竞争,能确保胜者…
原创 窗敲雨 果壳 多灾多难的2020年就要过去了,我可能不会怀念它,但却还会想起这一年中那些有趣的科技动图与视频。这些现象与演示背后可能并没有多么重大的突破,但它们直观地展现着科学之美,也为人们带来了点滴的快乐。 在本文中,就让我们来回顾十个来自2020年…
原标题: 原创 窗敲雨 果壳 多灾多难的2020年就要过去了,我可能不会怀念它,但却还会想起这一年中那些有趣的科技动图与视频。这些现象与演示背后可能并没有多么重大的突破,但它们直观地展现着科学之美,也为人们带来了点滴的快乐。 在本文中,就让我们来回顾十个来自…
En 1677, le biologiste Anton van Leeuwenhoek décrit le mouvement des spermatozoïdes: une ondulation symétrique semblable à…
Since 1677, thanks to an optical illusion caused by viewing them in 2D, science has assumed that sperm move toward an egg by…
This news release is a revision of one originally published on July 31, 2020. Using state-of-the-art 3D microscopy and…
This news release is a revision of one originally published on July 31, 2020. Using state-of-the-art 3D microscopy and…
This news release is a revision of one originally published on July 31, 2020, following concerns about some of the mathematical…
Hermes Gadêlha, University of Bristol Sperm is critical for the fertilisation of almost every living organism on our planet…
Han pasado más de 340 años desde que Antonie van Leeuwenhoek, el padre de la microbiología y a quien debemos el descubrimiento…
This news release is a revision of one originally published on July 31, 2020. Using state-of-the-art 3D microscopy and…
Using state-of-the-art 3D microscopy and mathematics, Dr Hermes Gadêlha from the University of Bristol, Dr Gabriel Corkidi and…
科普中国中央厨房 2020-08-12 你的出生,比你以为的更神奇,更幸运。 精子在三维空间中的运动。||Polymaths Lab 作者| 高佩雯 陈天真 每个人都曾经是游泳健将。——当你还是一颗精子的时候。 最先发现这个秘密的人是列文虎克。他用自己发明的…
果壳 误会了几百年,精子游泳根本不像小蝌蚪!丨一周科技 原创 见文末 果壳 果壳 微信号 Guokr42 功能介绍 科学和技术,是我们和这个世界对话所用的语言。 欢迎收看一周科技。本周冷知识:旋转才是精子真正的前进姿势。 钝刀片 剃刀刀片比人的毛发坚硬很多…
Parece difícil de acreditar, mas o que a ciência entendia sobre o movimento dos espermatozoides há mais de 350 anos estava…
Sperma merupakan bagian yang sangat penting dalam proses pembuahan hampir semua organisme hidup yang ada di bumi, termasuk…
Sperm is critical for the fertilization of almost every living organism on our planet, including humans.
To monitor sperm movement, we set up a super-fast camera capable of recording over 55,000 pictures in one second mounted on a…
Featured image: A breakthrough discovery has found that sperm aren’t “swimmers” after all.
Every male animal that reproduces with meiosis carries sperm. To fertilize an egg, human sperm scales the distance equivalent…
في عام 1677، أي منذ 343 عاما، اكتُشفت الحيوانات المنوية لأول مرة في التاريخ، لكن الأمر استغرق حوالي 200 عام قبل أن يتفق العلماء ع…
Los hallazgos desafían las suposiciones hechas durante siglos: su movimiento se parece más al de un sacacorchos que al de una…
Los hallazgos desafían las suposiciones hechas durante siglos: su movimiento se parece más al de un sacacorchos que al de una…
Han pasado más de 340 años desde que Antonie van Leeuwenhoek, el padre de la microbiología y a quien debemos el descubrimiento…
L'ESSENTIEL Le flagelle d’un spermatozoïde est en fait bancal, ne bougeant que d’un côté et, pour garder le droit chemin et ne…
Um novo estudo levado a cabo por cientistas de Bristol, no Reino Unido, e do México concluiu que os espermatozóides humanos não…
Von etwas Zweidimensionalem auf etwas Dreidimensionales zu schließen, ist kein leichtes Unterfangen.
SANTE - “Têtards” ou encore “anguilles”, les spermatozoïdes sont souvent comparés à des animaux aquatiques.
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
При движении сперматозоиды не только виляют хвостом, но вращают головкой, как бы ввинчиваясь вперёд.
Ever since the discovery of a compound microscope over three centuries ago, scientists have believed that human sperm swam by…
人类精子是怎样游动的?三百多年来,科学家也可能被2D显微镜下的这类视野给欺骗。 学界一直以为精子像蝌蚪或鳗鱼那样摆动尾巴前进。 最近一项研究借助先进的高速摄影技术,发现这种印象其实是一种视错觉,精子的运动方式实际上要更加复杂: 它们的尾巴朝向一侧摆动,头部旋…
Human sperm travel through fluid to reach and fertilize an egg. Scientists thought sperm moved by wiggling their tails side-to-si…
Pesquisadores da Universidade de Bristol, na Inglaterra, e da Universidade Nacional Autônoma, do México, examinaram amostras de…
Más de trescientos años después de que Antonie van Leeuwenhoek usara uno de los primeros microscopios para describir el esperma…
How human sperm really swim: new research challenges centuries-old assumption. polymaths-lab.com A breakthrough in fertility…
The sperm tail moves very rapidly in 3D, not from side-to-side in 2D as it was believed.
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
ANALYSIS: Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Miehen sperman siittiöiden uintityyli on tunnettu yli 300 vuotta. Niin tutkijat luulivat.
Você deve se lembrar da figura de um espermatozoide dos livros de ciências: uma pequena e alongada célula com um flagelo – ou…
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
© Foto : Pizabay/ Karin Henseler Investigadores de la Universidad de Bristol, Reino Unido, y de la Universidad Nacional Autónoma…
Cuando hace 340 años el holandés Antonie van Leeuwenhoek utilizó uno de los primeros microscopios para describir a los…
Así, Gadelha junto con otros científicos de la Universidad Nacional de México, indicaron que el espermatozoide se mueve hacia…
Sperm actually moves like a spinning top. Yurchanka Siarhei / Shutterstock“Src =” https://s.yimg.com/ny/api/res/1.2/b7UI3ZxbsW7bA…
Un microscopio ad alta definizione, una videocamera ad alta velocità che cattura 55.000 fotogrammi al secondo, e una…
– By Hermes Gadêlha, Senior Lecturer in Applied Mathematics and Data Modelling, University of Bristol Sperm is critical for the…
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
/rost9, stock.adobe.com Bristol Menschliche Spermien bewegen sich anders fort, als lange angenommen.
An international group of scientists say their latest research will upturn one of the earliest scientific discoveries ever made…
Mechanica Onder een microscoop lijken spermacellen te zwiepen met hun staart. Maar dat is optisch bedrog: in werkelijkheid…
Przed 350 laty Antoine van Leeuwenhoek wykorzystał jeden z najwcześniejszych mikroskopów do obserwacji poruszania się plemników.
Spermacellen bewegen zich heel anders voort dan gedacht; ze zwemmen niet, maar draaien.
KEY POINTS A new study using 3D microscopy says human sperm roll like 'playful otters' when they swim Researchers used state-of-t…
Miehen sperman siittöiden uintityyli on tunnettu yli 300 vuotta. Niin tutkijat luulivat.
Il y a plus de 300 ans, Antoni van Leeuwenhoeck a observé des spermatozoïdes avec l'un des tous premiers microscopes.
Antoni van Leeuwenhoeck a vu onduler des spermatozoïdes dans un microscope rudimentaire il y a plus de 300 ans.
Human sperm swim in corkscrew motions to compensate for the asymmetry in their tails.
Human sperm swim in corkscrew motions to compensate for the asymmetry in their tails.
A breakthrough in fertility science by researchers from Bristol and Mexico has shattered the universally accepted view of how…
Микроскоп с высокоскоростной камерой и компьютерное моделирование показали, что сперматозоиды плавают не за счет боковых движений…
17世紀に「精子はヘビのように尾を揺らして泳ぐ」と確認されてから、これは科学の定説となってきましたが、最新技術を駆使して観察が行われた結果、「実は精子はスクリューのように動いて前進している」ことが判明しました。この発見により、男性の受精能力に関する研究が進む…
While all kinds of questions remain around how sperm travel and go about fertilizing eggs, they have generally been thought to…
Finora si pensava “nuotassero” come fanno i girini o le anguille. E invece il lume della scienza ha appena mostrato che non è…
© polymaths-lab.com The sperm tail moves very rapidly in 3D, not from side-to-side in 2D as it was believed.
The sperm tail moves very rapidly in 3D, not from side-to-side in 2D, as it was believed.
Lange glaubten Wissenschaftler, menschliche Spermien schlagen mit ihrer Geißel, um sich fortzubewegen.
Произошло это через три с лишним сотни лет после того как Антони ван Левенгук, разглядев в один из первых микроскопов человечески…
Image Source : PTI According to a new study, sperms roll around like an otter (Illustration) Over 300-year-old notion that the…
A new study has revealed that everything we thought we knew about sperm movement was a lie: Those persistent little swimmers don…
A new study has revealed that everything we thought we knew about sperm movement was a lie: Those persistent little swimmers don…
A new study has revealed that everything we thought we knew about sperm movement was a lie: Those persistent little swimmers don…
An international group of scientists say their latest research will upturn one of the earliest scientific discoveries ever made…
A forma com que a ciência pensou, por mais de três séculos, o nado dos espermatozoides estava errada.
Stand: 11:08 Uhr | Lesedauer: 2 Minuten Wie bewegen sich Spermien fort? Wissenschaftler sind offenbar jahrhundertelang einer…
vor 7 Min. Wie bewegen sich Spermien fort? Wissenschaftler sind offenbar jahrhundertelang einer optischen Täuschung aufgesessen.
Menschliche Spermien bewegen sich nicht wie Aale fort, sondern eher wie Otter - das berichten die Autoren einer neuen Studie.
Video Mittels moderner 3D-Mikroskopie hätten sie die mehr als 300 Jahre alte Annahme widerlegt, dass sich die Schwanzteile der…
A pioneering 3D filming technique developed by British scientists has captured how sperm really 'swim'.
Using complex mathematics and 3D imaging, a group of researchers at the University of Bristol have discovered human sperm doesn’t…
Estudo revela que o movimento da célula reprodutiva masculina é mais semelhante ao de um saca-rolhas que ao de uma serpente.
5:59 PM By, CNN Posted: July 31, 2020 5:59 PM Using complex mathematics and 3D imaging, a group of researchers at the…
Using complex mathematics and 3D imaging, a group of researchers at the University of Bristol have discovered human sperm doesn’t…