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Psilophytales , Skip to main content
Psilophytales
Psilophytales (psilophytes) Primitive pteridophytes, which were the earliest vascular plants, from the Silurian an… Hygroscopic Nucleus , hygroscopic nucleus Microscopic particle (e.g. of sulphur dioxide, salt, dust, or smoke) in the free air, on which water vapour may condense to form… Hepatomegaly , hepatomegaly Enlargement of the liver as a result of congestion (e.g. in heart failure), inflammation or fatty infiltration (as in kwashiorkor).
hepa… Alum , alum (ăl´əm), any one of a series of isomorphous double salts that are hydrated sulfates of a univalent cation (e.g., potassium, sodium, ammonium, ce… Deimatic Behaviour , deimatic behaviour Intimidating behaviour in animals which serves to warn off potential predators. It may be bluff (e.g. the inflation of the lungs i… Radial Symmetry , Skip to main content
radial symmetry
radial symmetry The arrangement of parts in an organ or organism such that cutting through the centre of the str…
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