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Celeriac (Apium graveolens Rapaceum Group, synonyms Apium graveolens Celeriac Group and Apium graveolens var. rapaceum), [1] also called celery root, [2] knob celery, [3] and turnip-rooted celery [4] (although it is not a close relative of the turnip), is a group of cultivars of Apium graveolens cultivated for their edible bulb-like hypocotyl, and shoots.
Some extinct animals such as sauropod dinosaurs appear to have used stones to grind tough plant matter. A rare example of this is the Early Cretaceous theropod Caudipteryx zoui from northeastern China, which was discovered with a series of small stones, interpreted as gastroliths, in the area of its skeleton that would have corresponded with ...
A bird swallows small bits of gravel that act as 'teeth' in the gizzard, breaking down hard food such as seeds and thus helping digestion. [4] These stones are called gizzard stones or gastroliths and usually become round and smooth from the polishing action in the animal's stomach. When too smooth to do their required work, they may be ...
[2] A bezoar stone (/ ˈ b i z ɔː r / BEE-zor) is a mass often found trapped in the gastrointestinal system, [2] though it can occur in other locations. [3] [4] A pseudobezoar is an indigestible object introduced intentionally into the digestive system.
Rutabaga (/ ˌ r uː t ə ˈ b eɪ ɡ ə /; North American English) or swede (English and some Commonwealth English) is a root vegetable, a form of Brassica napus (which also includes rapeseed). Other names include Swedish turnip , neep ( Scots ), and turnip ( Scottish and Canadian English , Irish English and Manx English , as well as some ...
The evolution of mineralized tissues has been puzzling for more than a century. It has been hypothesized that the first mechanism of animal tissue mineralization began either in the oral skeleton of conodont or the dermal skeleton of early agnathans. The dermal skeleton is just surface dentin and basal bone, which is sometimes overlaid by ...
Bird flu has been confirmed in dairy cattle herds in nine states, has been found in milk and has prompted the slaughter of millions of chickens and turkeys. But finding it in beef is a new ...
Brassicaceae contain glucosinolates as well as myrosinases inside their cells. When the cell is damaged, the myrosinases hydrolise the glucosinolates, leading to the synthesis of isothiocyanates, which are compounds toxic to most animals, fungi and bacteria. Some insect herbivores have developed counter adaptations such as rapid absorption of ...