Anterior raphespinal tract

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Anterior raphespinal tract
Details
Identifiers
Latin	tractus raphespinalis anterior
TA98	A14.1.02.212 A14.1.04.123
FMA	75686
*Anatomical terminology* [edit on Wikidata]

The anterior raphespinal tract is a tract in the spinal cord.

The spinal cord

General features

Posterior grey column	Marginal nucleus Substantia gelatinosa of Rolando Nucleus proprius Rexed lamina V Rexed lamina VI
Lateral grey column	Intermediolateral nucleus Posterior thoracic nucleus
Anterior grey column	Interneuron Alpha motor neuron Onuf's nucleus Gamma motor neuron
Other	Rexed laminae Central gelatinous substance Gray commissure

Sensory

Posterior	Posterior column-medial lemniscus pathway: Gracile Cuneate
Lateral:	Spinocerebellar dorsal ventral Spinothalamic lateral anterior Posterolateral Spinotectal
Spinoreticular tract Spino-olivary tract

Motor

Lateral	Corticospinal Lateral Extrapyramidal Rubrospinal Olivospinal Raphespinal
Anterior	Corticospinal Anterior Extrapyramidal Vestibulospinal Reticulospinal Tectospinal

Both

Anterior white commissure

External features

Ventral
- Anterior median fissure
- Anterolateral sulcus
Dorsal
- Posterior median sulcus
- Posterolateral sulcus

Anatomy of the medulla

afferent:	Solitary nucleus tract Dorsal respiratory group Gustatory nucleus Vestibular nuclei Lateral Medial Inferior
efferent:	Hypoglossal nucleus Nucleus ambiguus Dorsal nucleus of vagus nerve Inferior salivatory nucleus

Dorsal

Ventral

- Ventral respiratory group
- Arcuate nucleus of medulla
- Rostral ventromedial medulla
- Botzinger complex
- Pre-Bötzinger complex

Dorsal	Sensory Sensory decussation Medial lemniscus Juxtarestiform body Ascending dorsal longitudinal fasciculus Medial longitudinal fasciculus Motor Descending dorsal longitudinal fasciculus Medial longitudinal fasciculus
Ventral	Descending tracts Olivocerebellar tract Rubro-olivary tract

Surface

Front	Pyramid Anterior median fissure Anterolateral sulcus Olive Inferior olivary nucleus
Back	Posterior median sulcus Posterolateral sulcus Area postrema Vagal trigone Hypoglossal trigone Medial eminence Inferior cerebellar peduncle

Neurotransmitter systems

Nucleus basalis of Meynert → Neocortex

Septal nuclei (Medial septal nucleus) → Fornix → Hippocampus

Striatum

Dopaminergic pathways	Mesocortical pathway: Ventral tegmental area → Prefrontal cortices Mesolimbic pathway: Ventral tegmental area → Nucleus accumbens and olfactory tubercle Nigrostriatal pathway: Substantia nigra pars compacta → Caudate nucleus and putamen Tuberoinfundibular pathway: Hypothalamus (Infundibular nucleus) → Pituitary gland (Median eminence)
Norepinephrine	Locus coeruleus Lateral tegmental field
Serotonin pathways	Raphe nuclei Anterior raphespinal tract Lateral raphespinal tract

Aspartate	Climbing fibers
GABA	Globus pallidus Rostromedial tegmental nucleus
Glycine	Renshaw cells
Glutamate	Thalamus Subthalamic nucleus Globus pallidus

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