Webechidna , or spiny anteater, any of three species of egg-laying mammals ( monotreme s) of the family Tachyglossidae. Echidnas are stocky and virtually tailless. They have strong-clawed feet and spines on the upper … Webdissection. [ dĭ-sek´shun] 1. the act of dissecting. 2. a part or whole of an organism prepared by dissecting. aortic dissection a dissecting aneurysm of the aorta; the usual site is the thoracic aorta. There are two types, classified according to anatomical location: Type A involves the ascending aorta; Type B originates in the descending aorta.

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Echidnas and the platypus are the only egg-laying mammals, known as monotremes. The average lifespan of an echidna in the wild is estimated to be around 14–16 years. When fully grown, a female can weigh up to 4.5 kilograms (9.9 lb), and a male can weigh up to 6 kilograms (13 lb). An echidna's sex can be inferred from its size, as males are 25% larger than females on average. The reproductive organs also differ, but both sexes have a single opening called a cloaca, whic… Webechidna: any of the spine-covered MONOTREME mammals of the family Tachyglossidae, found in Australia and New Guinea. They have a long snout and claws for digging out ants. chronicles billing jonesboro ga

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WebCarotid artery dissection occurs when there is a tear or separation in the layers of the carotid artery in your neck. There are two carotid arteries, one on each side of your neck. … WebThe meaning of ECHIDNA is a spiny-coated toothless burrowing nocturnal monotreme mammal (Tachyglossus aculeatus) of Australia, Tasmania, and New Guinea that … Webechidna, (family Tachyglossidae), also called spiny anteater, any of four species of peculiar egg-laying mammals from Australia, Tasmania, and New Guinea that eat and breathe through a bald tubular beak protruding … chronicles basketball hanger