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Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
Schematic models of an IgG antibody molecule and an Fab fragment
Exterior View of Tholos, The So-called Treasury of Atreus
A Gaucher cell showing accumulated fat stored in structures called lysosomes
Cancer cells can move to new locations in the body, a process called metastasis