Neurons are the main components of nervous tissue in all animals except sponges and placozoans. Plants and fungi do not have nerve cells. Molecular evidence suggests that the …

May 12, 2025 · Neurons consist of a cell body, dendrites (which receive signals), and an axon (which sends signals). Synaptic connections allow communication between neurons, …

: a grayish or reddish cell that is the basic working unit of the nervous system and has an axon and dendrites that carry nerve impulses.

Aug 1, 2025 · Neurons vary in size, shape, and structure depending on their role and location. However, nearly all neurons have three essential parts: a cell body, an axon, and dendrites. …

Gray matter, largely composed of neuronal cell bodies, serves to process information in the brain.

Neurogenesis is the formation of new neurons. This occurs primarily during early development, but there is mounting evidence that some neurogenesis happens in adults. Synaptogenesis …

Neurons are information messengers. They use electrical and chemical signals to send information between different areas of the brain, as well as between the brain, the spinal …

Any of the impulse-conducting cells that constitute the brain, spinal column, and nerves in vertebrates, consisting of a nucleated cell body...

Jul 20, 2025 · Neuronal activity refers to the functions of neurons, the specialized cells of the nervous system that act as the body’s messengers. Billions of these cells form a complex …

Nov 10, 2025 · Neurons send signals that help us move, feel, and think. The three main types of neurons are motor neurons, sensory neurons, and interneurons.