Definitionn. any rigid body structure composed primarily of keratin
Last update: July 8, 2015
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A petal often consists of two portions - the lower narrow, resembling the petiole of a leaf, and called the unguis or claw; the upper broader, like the blade of a leaf, and called the lamina or limb. [Please select]
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Unguis: one of the claws at the end of the tarsus: also applied to a short process on the 6th antennal joint in some Aphids. [Please select]
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The malar bone, and the os unguis or lachrymal, are more or less developed according to the species considered. [Please select]
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Nail: a tarsal claw: specifically the stout pointed claws in predatory Heteroptera = unguis. [Please select]
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1, Occipital bone; 2, parietal bone; 3, frontal bone; 4, ethmoid bone; 5, cavity of the tympanum; 6, quadrate bone; 7, superior maxillary bone; 8, malar bone; 9, nasal bone; 10, 10, intermaxillary bone; 11, nasal orifice; 12, os unguis or lachrymal bone; 13, inferior maxillary bone. [Please select]
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In the horse it arises, by a small tendon, from a tubercle which occupies the external surface of the os unguis, or lachrymal bone. [Please select]
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