Biology

Biology

A natural science concerned with the study of life or living matter in all its forms and phenomena, especially in relation to their origin, growth, reproduction, structure, behaviour and evolution.

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Biology > Anatomy

amphicoelous

Biology; Anatomy

Describes vertebrae in which the front and back of the centrum are concave. A feature of dinosaur vertebrae that were not supposed to move very much relative to one another, such ...

analogy

Biology; Anatomy

A similar character state present in two or more species of organisms that is derived from different characters in their common ancestor. The opposable digits of Pandas and humans ...

Biology; Anatomy

Forward of; closer to or in the direction of the skull, specifically the tip of the "snout." For example, the arms are anterior to the legs.

appendicular skeleton

Biology; Anatomy

The forelimbs, shoulders, hindlimbs and hip bones.

arctometatarsalian

Biology; Anatomy

Describes the condition where the third metatarsal is pinched or compressed between the second and fourth metatarsals. This condition is found in tyrannosaurids, ornithomimids, ...

astragalocalcaneum

Biology; Anatomy

Bone formed by the fusion of the of the anklebones astragalus and calcaneum. This feature was developed convergently in birds and ceratosaurs.

basicranium

Biology; Anatomy

The underside of the skull not including the palate; the base of the braincase and the back of the throat. This region is made up of irregularly shaped bones whose names end in ...