The volume rocker, at least, has two slight protrusions to set it apart.

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But this outcropping was glossy black and covered in knotty protrusions.

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Experts said protrusions on the otherwise smooth belly of the shuttle could disturb the air flow during re-entry, causing turbulence that raises temperatures on heatshield tiles downstream.

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When it is injected into muscle, the AAV particles are sucked up by the hand-like protrusions connecting muscles with the nervous system, all the way back up into the spinal cord.

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If you ignore the swollen protrusions on their chests and the general swelling of their bodies, if you ignore their tendency to twist their faces wildly, with some experience you can distinguish between the ugly ones and the pretty ones, and this one would definitely have been considered pretty.

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