false annulus
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fern — fernless, adj. fernlike, adj. /ferrn/, n. any seedless, nonflowering vascular plant of the class Filicinae, of tropical to temperate regions, characterized by true roots produced from a rhizome, triangular fronds that uncoil upward and have a… … Universalium
Fern — /ferrn/, n. a female given name. * * * Any of about 10,000–12,000 species (division Filicophyta) of nonflowering vascular plants that have true roots, stems, and complex leaves and reproduce by spores. Though ferns were once classified with the… … Universalium
tornado — tornadic /tawr nad ik, nay dik/, adj. tornadolike, adj. /tawr nay doh/, n., pl. tornadoes, tornados. 1. a localized, violently destructive windstorm occurring over land, esp. in the Middle West, and characterized by a long, funnel shaped cloud… … Universalium
Leucopholiota decorosa — Scientific classification Kingdom … Wikipedia
List of anatomical topics — This page aims to list articles related to anatomy. This list is not necessarily complete or up to date if you see an article that should be here but isn t (or one that shouldn t be here but is), please update the page accordingly. NOTOC A… … Wikipedia
Aortic dissection — Classification and external resources Dissection of the aorta descendens (3), which starts from the left subclavian artery, reaching to the abdominal aorta (4). Aorta ascendens (1) and aortic arch (2) are not involved … Wikipedia
Filling-in — In vision, filling in phenomena are those responsible for the completion of missing information across the physiological blind spot, and across natural and artificial scotomata. There is evidence calling for similar mechanisms of completion also… … Wikipedia
Spinal disc herniation — Slipped disc redirects here. For other uses, see Slipped disc (disambiguation). Spinal disc herniation Classification and external resources A spinal disc herniation demonstrated via MRI. ICD 10 … Wikipedia
Washer (hardware) — Assorted washers: flat, split, star and insulated A washer is a thin plate (typically disk shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are… … Wikipedia
Mushroom — The mushroom Amanita muscaria, commonly known as fly agaric A mushroom is the fleshy, spore bearing fruiting body of a fungus, typically produced above ground on soil or on its food source. The standard for the name mushroom is the cultivated… … Wikipedia
