How Do You Spell EXCITATORY?

1. The term "excitatory" refers to a characteristic or action that stimulates or enhances the activity of neurons in the central nervous system (CNS) or other parts of the body. In particular, it pertains to the transmission of signals between neurons in a way that promotes electrical impulses and ultimately triggers or intensifies the firing of nerve cells.

   In the context of the brain, excitatory neurotransmitters play a fundamental role. These are chemical messengers that are released from one neuron and bind to specific receptor sites on another neuron, leading to the initiation or facilitation of an action potential. This process typically involves the movement of positively charged ions, such as sodium or calcium, into the neuron, promoting depolarization and activating the receiving cell.

   Excitatory neurotransmitters like glutamate are vital for various cognitive functions, including learning, memory, attention, and sensory perception. They are responsible for maintaining the balance between inhibition and excitation in the brain, ensuring that neuronal networks function properly.

   Outside the CNS, excitatory responses can occur in different physiological systems. For example, in muscle contraction, excitation refers to the initiation of the action potential, leading to the release of calcium ions necessary for muscle fibres to contract.

   Overall, excitatory describes the ability of a stimulus, neurotransmitter, or physiological process to enhance neuronal activity or elicit a response leading to depolarization, activation, or excitation of cells in the nervous system or other tissues.

2. Tending to excite.

   Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.

Common Misspellings for EXCITATORY

The word "excitatory" has its etymology rooted in the Latin language. It is formed from the combination of two Latin words: "excitare" and "orius".

- "Excitare" means "to excite" or "to awaken" in Latin, derived from the prefix "ex-" meaning "out" or "thoroughly", and the verb "citare" meaning "to move or set in motion".

- "-orius" is a suffix commonly used in Latin to form adjectives expressing possession or connection. It can also indicate the agent or doer of an action.

Thus, when these elements are combined, "excitatory" is formed, describing something that has the quality of exciting, stimulating, or causing activation or enhancement of a response or function.

Similar spelling words for EXCITATORY