The muscles are attached either directly to internal protrusions of its external skeleton, called apodemes, or indirectly, by filaments attached to the connection points.

他们的肌肉或是直接与外骨骼的内部凸出，即表皮内突相连，或是间接的和与神经点相连的肌原纤维细丝连接着。

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Normal cells also produce similar protrusions as part of a healthy physiological process that allows cells to move through body tissues during an immune response.

健康细胞表面也会有类似的突出物，但它们是机体免疫反应过程中使得细胞可以在机体组织中移动的正常生理过程的组成部分。

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At the tips of the dust and gas protrusions, excellent examples of Herbig-Haro objects can be seen.

在尘埃和气体突起的尖端，我们能看见赫比格-哈罗天体的完美实例。

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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.

BBC: NEWS | Science/Nature | Astronaut fixes shuttle problem

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.

NEWYORKER: The Slows