Periaqueductal Gray
Hierarchy level in atlas is 6: 5 superstructures include it.
abbreviation: PAGAbbreviation
PAG
Species
Rat
Description of part
Recent work has clarified the structural organization of the rat PAG, which is that part of the brain central gray within the midbrain. The basic parcellation of the caudal three-quarters of the PAG follows Beitz (1985).
Part type
gray matter
Nomenclature
Swanson-2004
Endorsement
The approach used by the collator Mihail Bota is not endorsed by the author of the nomenclature.
Reference
Author:
Swanson L.W.
Title of Book:
Brain Maps: Structure of the Rat Brain. Third Edition
Year:
2004
Pages:
166-179
Edition:
third
Publisher:
Elsevier
- Central Nervous System
- Central nervous system white matter
- Cranial Nerves, Spinal Nerves, and Related
- vomeronasal nerve
- accessory spinal nerve
- olfactory nerve
- hypoglossal nerve
- terminal nerve
- glossopharyngeal nerve
- abducens nerve
- optic nerve
- Vestibulocochlear nerve
- oculomotor nerve
- trochlear nerve
- dorsal roots
- trigeminal nerve
- facial nerve
- vagus nerve
- ventral roots
- Lateral forebrain bundle system
- Medial forebrain bundle system
- medial forebrain bundle system hypothalamus related
- medial forebrain bundle system midbrain related
- medial forebrain bundle system epithalamus related
- medial forebrain bundle system dorsal thalamus related
- medial forebrain bundle system cerebrum related
- Cerebellum related fiber tracts
- Extrapyramidal fiber systems
- Cranial Nerves, Spinal Nerves, and Related
- Central nervous system gray matter
- Cerebrum
- Cerebral nuclei
- Striatum
- Intercalated nuclei of the amygdala
- Olfactory tubercle
- Striatal fundus
- Nucleus accumbens
- Central nucleus of amygdala
- Caudoputamen
- Anterior amygdaloid area
- Medial nucleus of the amygdala
- Lateral septal complex
- Lateral septal nucleus
- Lateral septal nucleus caudal (caudodorsal) part
- Lateral septal nucleus caudal (caudodorsal) part ventral zone
- Lateral septal nucleus caudal (caudodorsal) part dorsal zone
- Lateral septal nucleus caudal (caudodorsal) part dorsal zone rostral region
- Lateral septal nucleus caudal (caudodorsal) part dorsal zone lateral region
- Lateral septal nucleus caudal (caudodorsal) part dorsal zone ventral region
- Lateral septal nucleus caudal (caudodorsal) part dorsal zone dorsal region
- Lateral septal nucleus ventral part
- Lateral septal nucleus rostral (rostroventral) part
- Lateral septal nucleus rostral (rostroventral) part ventrolateral zone
- Lateral septal nucleus rostral (rostroventral) part dorsolateral zone
- Lateral septal nucleus rostral (rostroventral) part medial zone
- Lateral septal nucleus caudal (caudodorsal) part
- Septofimbrial nucleus
- Septohippocampal nucleus
- Lateral septal nucleus
- Pallidum
- Globus pallidus
- Bed nucleus of the stria medullaris
- Magnocellular preoptic nucleus
- Substantia innominata
- Medial septal complex
- Bed nucleus of the anterior commissure
- Triangular nucleus of the septum
- Bed nuclei of the stria terminalis
- Bed nuclei of the stria terminalis posterior division
- Bed nuclei of the stria terminalis dorsal nucleus
- Bed nuclei of the stria terminalis cell-sparse zone
- Bed nuclei of the stria terminalis interfascicular nucleus
- Bed nuclei of the stria terminalis strial extension
- Bed nuclei of the stria terminalis principal nucleus
- Bed nuclei of the stria terminalis transverse nucleus
- Bed nuclei of the stria terminalis premedullary nucleus
- Bed nuclei of the stria terminalis anterior division
- Bed nuclei of the stria terminalis fusiform nucleus
- Bed nuclei of the stria terminalis rhomboid nucleus
- Bed nuclei of the stria terminalis magnocellular nucleus
- Bed nuclei of the stria terminalis ventral nucleus
- Bed nuclei of the stria terminalis juxtacapsular nucleus
- Bed nuclei of the stria terminalis dorsomedial nucleus
- Bed nuclei of the stria terminalis anterolateral area
- Bed nuclei of the stria terminalis anteromedial area
- Bed nuclei of the stria terminalis oval nucleus
- Bed nuclei of the stria terminalis posterior division
- Striatum
- Cerebral cortex
- Cortical subplate
- Cortical plate
- Polymodal association cortex
- Agranular insular area
- Retrosplenial area
- Hippocampal formation
- Orbital area
- Posterior parietal association areas
- Anterior cingulate area
- Temporal association areas
- Prelimbic area
- Ectorhinal area
- Perihinal area
- Sensory-motor cortex
- Visual areas
- Auditory areas
- Olfactory areas
- Accessory olfactory bulb
- Main olfactory bulb
- Anterior olfactory nucleus
- Tenia tecta
- Postpiriform transition area
- Nucleus of the lateral olfactory tract
- Piriform area
- Cortical amygdalar area
- Piriform-amygdalar area
- Somatomotor areas
- Visceral sensory-motor areas
- Somatosensory areas
- Gustatory areas
- Polymodal association cortex
- Cerebral nuclei
- Cerebellum
- Cerebrospinal trunk
- Sensory system
- Sensory System, Somatosensory
- Reticular nucleus of the spinal cord
- Spinal nucleus of the trigeminal
- Spinal nucleus of the trigeminal interpolar part
- Spinal nucleus of the trigeminal oral part
- Spinal nucleus of the trigeminal oral part caudal dorsomedial part
- Spinal nucleus of the trigeminal oral part middle dorsomedial part, dorsal zone
- Spinal nucleus of the trigeminal oral part ventrolateral part
- Spinal nucleus of the trigeminal oral part rostral dorsomedial part
- Spinal nucleus of the trigeminal oral part middle dorsomedial part, ventral zone
- Spinal nucleus of the trigeminal caudal part
- Marginal zone of the spinal cord
- Basal nucleus of the spinal cord, general
- Paratrigeminal nucleus
- External cuneate nucleus
- Substantia gelatinosa of the spinal cord
- Nucleus proprius of the spinal cord
- Principal sensory nucleus of the trigeminal
- Intermediate gray of the spinal cord, general
- Nucleus z
- Dorsal column nuclei
- Mesencephalic nucleus of the trigeminal
- Sensory System, Visual
- Sensory system, Gustatory
- Sensory system, visceral
- Nucleus of the solitary tract
- Parabrachial nucleus
- Parabrachial nucleus medial division
- Parabrachial nucleus lateral division
- Parabrachial nucleus lateral division central lateral part
- Parabrachial nucleus lateral division dorsal lateral part
- Parabrachial nucleus lateral division extreme lateral part
- Parabrachial nucleus lateral division ventral lateral part
- Parabrachial nucleus lateral division superior lateral part
- Parabrachial nucleus lateral division external lateral part
- Parabrachial nucleus lateral division internal lateral part
- Kolliker-Fuse subnucleus
- Sensory system, humerosensory
- Thalamus
- Thalamus sensory-motor cortex related
- Ventral group of the dorsal thalamus
- Geniculate group of the dorsal thalamus
- Thalamus polymodal association cortex related
- Midline group of the dorsal thalamus
- Nucleus reuniens
- Paraventricular nucleus of the thalamus
- Paratenial nucleus
- Anterior group of the dorsal thalamus
- Medial group of the dorsal thalamus
- Intralaminar nuclei of the dorsal thalamus
- Lateral group of the dorsal thalamus
- Midline group of the dorsal thalamus
- Reticular nucleus of the thalamus
- Thalamus sensory-motor cortex related
- Sensory system, Auditory
- Sensory System, Somatosensory
- Behavioral state system
- Supramammillary nucleus
- Raphe nuclei
- Superior central nucleus raphe
- Dorsal nucleus raphe
- Nucleus raphe pallidus
- Interpeduncular nucleus
- Nucleus raphe obscurus
- Central linear nucleus raphe
- Nucleus raphe magnus
- Rostral linear nucleus raphe
- Interfascicular nucleus raphe
- Nucleus raphe pontis
- Nucleus incertus
- Substantia nigra compact part
- Subparaventricular zone
- Ventrolateral preoptic nucleus
- Pedunculopontine nucleus
- Sublaterodorsal nucleus
- Subcoeruleus nucleus
- Locus coeruleus
- Pontine reticular nucleus rostral part
- Tuberomammillary nucleus
- Hypothalamic lateral zone, state related
- Laterodorsal tegmental nucleus
- Suprachiasmatic nucleus
- Motor system
- Central gray
- Periaqueductal gray
- Periaqueductal gray ventrolateral division
- Interstitial nucleus of Cajal
- Precommissural nucleus
- Commissural nucleus
- Periaqueductal gray rostrolateral division
- Periaqueductal gray medial division
- Nucleus of Darkschewitsch
- Periaqueductal gray dorsal division
- Medial accessory nucleus
- Periaqueductal gray dorsolateral division
- Periaqueductal gray rostromedial division
- Epithalamus
- Posterior hypothalamic nucleus
- Pontine central gray general
- Spinal central gray
- Periaqueductal gray
- Postcerebellar and precerebellar nuclei
- Vestibulomotor regions
- Hypothalamic periventricular region
- Internuclear area, hypothalamic periventricular region
- Parastrial nucleus
- Anteroventral preoptic nucleus
- Anterodorsal preoptic nucleus
- Suprachiasmatic preoptic nucleus
- Anteroventral periventricular nucleus
- Dorsomedial nucleus of the hypothalamus
- Preoptic periventricular nucleus
- Posterior periventricular nucleus of the hypothalamus
- Anterior hypothalamic area
- Medial preoptic area
- Posterodorsal preoptic nucleus
- Median preoptic nucleus
- Behavior control column
- Dorsal premammillary nucleus
- Paraventricular hypothalamic nucleus, descending division
- Paraventricular hypothalamic nucleus, descending division, medial parvicellular part, ventral zone
- Paraventricular hypothalamic nucleus, descending division, lateral parvicellular part
- Paraventricular hypothalamic nucleus, descending division, forniceal part
- Paraventricular hypothalamic nucleus, descending division, dorsal parvicellular part
- Medial preoptic nucleus
- Mammillary body
- Ventral premammillary nucleus
- Ventromedial nucleus of the hypothalamus
- Anterior hypothalamic nucleus
- Ventral tegmental area
- Midbraiin reticular nucleus, retrorubral area
- Substantia nigra reticular part
- Midbrain reticular nucleus, parvicellular part
- Reticular formation
- Parvicellular reticular nucleus
- Midbrain reticular nucleus, magnocellular part, general
- Hypothalamic lateral zone, motor related
- Lateral hypothalamic area, motor related
- Lateral hypothalamic area magnocellular nucleus
- Lateral hypothalamic area, anterior region
- Lateral hypothalamic area suprafornical region
- Tuberal nucleus
- Lateral hypothalamic area parvicellular region
- Lateral hypothalamic area juxtaparaventricular region
- Retrochiasmatic area
- Lateral hypothalamic area posterior region
- Lateral hypothalamic area ventral region
- Lateral hypothalamic area subfornical region
- Lateral hypothalamic area, juxtadorsomedial region
- Lateral hypothalamic area, juxtaventromedial region
- Subthalamic nucleus
- Lateral preoptic area
- Parasubthalamic nucleus
- Preparasubthalamic nucleus
- Lateral hypothalamic area, motor related
- Pretectal region
- Pontine reticular nucleus caudal part
- Cuneiform nucleus
- Gigantocellular reticular nucleus
- Zona incerta, general
- Geniculate group of the ventral thalamus
- Magnocellular reticular nucleus
- Medullary reticular nucleus
- Parapyramidal nucleus
- Paragigantocellular reticular nucleus
- Supratrigeminal nucleus
- Superior colliculus, motor related
- Motoneuron Groups
- Somatic motoneuron pools
- Accessory facial nucleus
- Hypoglossal nucleus
- Nucleus of the spinal accessory nerve
- Accesory abducens nucleus
- Efferent cochlear group
- Facial nucleus
- Ventral horn of the spinal cord, general
- Efferent vesstibular nucleus
- Oculomotor nucleus
- Nucleus ambiguus dorsal division
- Motor nucleus of the trigeminal
- Trochlear nucleus
- Abducens nucleus
- Neuroendocrine motor zone
- Neuroendocrine motor zone magnocellular
- Median eminence, internal lamina
- Infundibulum, internal lamina
- Paraventricular hypothalamic nucleus, magnocellular division
- Supraoptic nucleus, accessory supraoptic group
- Pituitary gland, neural lobe
- Supraoptic nucleus, general
- Neuroendocrine motor zone, parvicellular
- Neuroendocrine motor zone magnocellular
- Preganglionic autonomic pools
- Somatic motoneuron pools
- Central gray
- Sensory system
- Cerebrum
- Central nervous system white matter
Major subparts
| Name | Type |
| Periaqueductal gray ventrolateral division | gray matter |
| Interstitial nucleus of Cajal | gray matter |
| Precommissural nucleus | gray matter |
| Commissural nucleus | gray matter |
| Periaqueductal gray rostrolateral division | gray matter |
| Periaqueductal gray medial division | gray matter |
| Nucleus of Darkschewitsch | gray matter |
| Periaqueductal gray dorsal division | gray matter |
| Medial accessory nucleus | gray matter |
| Periaqueductal gray dorsolateral division | gray matter |
| Periaqueductal gray rostromedial division | gray matter |
