spinothalamic tract
Acronym:
The term spinothalamic tract refers to a fiber pathway that originates from neurons in the spinal central gray and projects to various somatosensory nuclei of the thalamus. It is formed in the medulla by merger of the anterior spinothalamic tract and lateral spinothalamic tract. It consists of four parts: the spinothalamic tract of the medulla, the spinothalamic tract of the pons, the spinothalamic tract of the midbrain and the spinothalamic tract of the forebrain. Some authors include the brain stem continuations of the spinotectal tract and the spinoreticular tract in the spinothalamic tract. Semantic and factual conflicts in alternate definitions are discussed in Anthoney-1994.

Also known as: spinal lemniscus, Lemniscus spinalis, Tractus spinothalamicus, Tractus spino-thalamicusNeuroNames ID : 2058


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