Portal hypertension is an abnormal increase in blood pressure defined clinically as hepatic venous pressure gradient 5 mmHg in the hepatic portal vein system. Causes of portal hypertension ...

To gain a deeper understanding of what a frog sighting might mean, read ahead as we explore the cultural symbolism surrounding them and the spiritual significance of frogs found throughout history.

I write about the world of biology. The extremely rare Indian purple frog doesn’t really look like a frog. It’s also a living fossil ... [+] that’s been around since before some of the Earth ...

But for more than a hundred years they've also been biologically disrupted, stocked each year with non-native fish, which in turn destroyed the population of Sierra Nevada yellow-legged frogs that ...

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Photomicrograph (daguerreotype) of Frog's Blood from the Dr. John W. Draper Collection. Dr. Draper worked at New York University in 1840 when he was associated with Samuel F. B. Morse and the earliest ...

The antiphospholipid syndrome associated with hepatic vein thrombosis has usually been of the primary type; that is, the American Rheumatism Association criteria for the diagnosis of systemic ...

Minecraft frogs are cute, colourful, and a surprisingly nice source of decorative lighting. Although the jumpy critters themselves won't glow, they can produce gorgeous 'froglight' blocks by ...

While a couple of tourists trickle through to take pictures with the love sculpture, the main attraction this week is the Portal, which was encircled by a crowd of about 50 onlookers when it made ...