An encapsulated collection of nerve cell bodies, typically linked by synapses, and often forming a swelling on a nerve fiber.
A centre of intellectual or industrial force, activity, etc.
Any of certain masses of gray matter in the central nervous system, as the basal ganglia.
A benign cystic tumour on a tendon sheath or joint capsule.
A layer of tissue.
One of several parallel horizontal layers of material arranged one on top of another.
A layer of sedimentary rock having approximately the same composition throughout.
Any of the regions of the atmosphere, such as the stratosphere, that occur as layers.
A class of society composed of people with similar social, cultural, or economic status.
A layer of vegetation, usually of similar height.
The level of accuracy of a computer's clock, relative to others on the network.