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Foie gras (French for 'fat liver'); (French: [fwa ɡʁɑ] ⓘ, English: / ˌ f w ɑː ˈ ɡ r ɑː / ⓘ) is a specialty food product made of the liver of a duck or goose. According to French law, [ 1 ] foie gras is defined as the liver of a duck or goose fattened by gavage (force feeding) .
Gavage feeding Anti-foie gras protestors at the Hôtel Meurice, Paris. The production of foie gras (the liver of a duck or a goose that has been specially fattened) involves the controversial force-feeding of birds with more food than they would eat in the wild, and more than they would voluntarily eat domestically.
These amazing frogs can survive these conditions because their body produces a kind of natural anti-freeze. It is a combination of glucose (produced by the liver) and the chemicals found in urine ...
The moor frog (Rana arvalis) is a slim, reddish-brown, ... Glycerol is found in much greater concentrations in the liver and muscles of frozen moor frogs.
Proteomic profiling has revealed that the livers of these frogs produce high levels of specialized proteins like saxiphilin that may be involved in alkaloid sequestration. [4] Ingesting lipophilic alkaloids causes a dramatic increase in saxiphilin expression in the skin and liver of the frog.
A frog is any member of a diverse and largely ... 4 Egg mass, 5 Colon, 6 Left atrium, 7 Ventricle, 8 Stomach, 9 Liver, 10 Gallbladder, 11 Small intestine, 12 Cloaca ...
The general background coloration of most glass frogs is primarily lime green, the abdominal skin of some members of this family is transparent and translucent, giving the glass frog its common name. The internal viscera, including the heart, liver, and gastrointestinal tract, are visible through the skin. When active their blood makes them ...
The amount of entrained water the frog can ingest is related to its ability to actively increase its body volume. The frog's buccopharyngeal cavity (the cavity connecting the mouth and the pharynx) is very distensible and can expand substantially. It uses its entire trunk to rapidly enlarge the cavity, which expands into the lower end of the trunk.