Category Archives: Human Body

Circle of Willis

The circle of Willis (circulus arteriosus cerebri) is an collection of arteries that are located at the base of the brain. The “circle” was named after Thomas Willis (1621-1675) by his student, Richard Lower. Willis authored Cerebri Anatome which described … Continue reading

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The microscopical beauty of our kidneys

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New organ named in digestive system

A part of the digestive system has been reclassified as an organ, following research at the University of Limerick. The mesentery, which connects the intestine to the stomach, was previously thought to be made up of lots of separate parts. … Continue reading

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The Silent Disease

kidney-cancer-loremipsum

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Scientists have finally figured out how cancer spreads through the bloodstream

In what could be a major step forward in our understanding of how cancer moves around the body, researchers have observed the spread of cancer cells from the initial tumour to the bloodstream. The findings suggest that secondary growths called … Continue reading

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What is Continuous Glucose Monitoring (CGM)?

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Exercise isn’t the best way to lose weight

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“Bleeder” by Walter Oltmann 2007

Blood moves through the circulatory system as a result of being pumped out by the heart. Blood leaving the heart through the arteries is saturated with oxygen. The arteries break down into smaller and smaller branches in order to bring … Continue reading

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How Far Can Eye See?

eye see andromeda

Your eyes are very sensitive, able to detect just a few photons of light. If you take a look on a very clear night at the constellation of Andromeda, a little fuzzy patch of light is just visible with the … Continue reading

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This new tattoo ink is designed to disappear after a year

If you’ve ever considered getting a tattoo but have been put off by its permanence – who knows how you’ll feel about that “E = mc2” face tattoo in 10 year’s time? – then a new startup called Ephemeral has you … Continue reading

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Tooth Eruption

tooth eruption
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Zona pellucida

Zona pellucida

No this is not another picture from deep space of a new moon found around Pluto, it’s a beautiful  scanning electron micrograph of the surface of the Zona pellucida. The Zona pellucida is the strong membrane that forms around an ovum as it … Continue reading

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UK man receives the world’s first ‘bionic penis’

Surgeons in the UK have implanted an 8-inch (20-cm) ‘bionic penis’ into 43-year-old Mohammed Abad, a Scottish man who lost his own penis and left testicle in a car accident when he was six. And although headlines are calling this a … Continue reading

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The microscopical beauty of our kidneys

kidney

Each kidney contains thousands of tiny knots of blood vessels called glomeruli. They filter large unwanted molecules out of our urine. Image source: infinity-imagined

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Prostate cancer: Five types ‘found’

Scientists have identified five types of prostate cancer, each with a distinct genetic signature. And by comparing 250 samples removed in surgery with the patients’ subsequent progress, they have identified some types that are more likely to recur. Until now, … Continue reading

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The mind-bending effects of feeling two hearts

When a man was fitted with a new heart, his mind changed in unusual ways. Why? The answer reveals a surprising truth about all our bodies, says David Robson. Every second or so, Carlos would feel a small “bump” hitting … Continue reading

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Regions of the Human Body

Regions_of_Human_Body
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Quarter of skin cells ‘on road to cancer’

More than a quarter of a middle-aged person’s skin may have already made the first steps towards cancer, a study suggests. Analysis of samples from 55- to 73-year-olds found more than 100 DNA mutations linked to cancer in every 1 … Continue reading

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Real Time Red Blood Cell Cycle

Blood Cell Cycle

An animation of a typical human red blood cell cycle in the circulatory system. This animation occurs at real time (20 seconds of cycle) and shows the red blood cell deform as it enters capillaries, as well as changing color … Continue reading

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Here’s a simple, science-backed tactic for getting better sleep

While we spend a lot of our lives sleeping – a third of it, give or take – it doesn’t mean that we’re exactly good at getting rest. A bunch of factors contribute to quality of sleep, from exercise to … Continue reading

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