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The human brain anatomical regions are ordered following standard neuroanatomy hierarchies. Functional, connective, and developmental regions are listed in parentheses where appropriate.

Hindbrain (rhombencephalon)

Embryonic vertebrate subdivisions of the developing human brain

Myelencephalon

Medulla oblongata

Metencephalon

Pons

Pontine nuclei
Pontine cranial nerve nuclei
- Chief or pontine nucleus of the trigeminal nerve sensory nucleus (V)
- Motor nucleus for the trigeminal nerve (V)
- Abducens nucleus (VI)
- Facial nerve nucleus (VII)
- Vestibulocochlear nuclei (vestibular nuclei and cochlear nuclei) (VIII)
- Superior salivatory nucleus
Pontine tegmentum
- Pontine micturition center (Barrington's nucleus)
- Locus coeruleus
- Pedunculopontine nucleus
- Laterodorsal tegmental nucleus
- Tegmental pontine reticular nucleus
- Nucleus incertus
Parabrachial area
- Medial parabrachial nucleus
- Lateral parabrachial nucleus
- Subparabrachial nucleus (Kölliker-Fuse nucleus)
  - Pontine respiratory group
Superior olivary complex
- Medial superior olive
- Lateral superior olive
- Medial nucleus of the trapezoid body
Paramedian pontine reticular formation
Parvocellular reticular nucleus
Caudal pontine reticular nucleus
Cerebellar peduncles

Fourth ventricle

Cerebellum

Midbrain (mesencephalon)

Tectum
- Corpora quadrigemina
  - Inferior colliculi
  - Superior colliculi
Pretectum
Tegmentum
Cerebral peduncle
- Crus cerebri
Mesencephalic cranial nerve nuclei
- Oculomotor nucleus (III)
- Edinger-Westphal nucleus
- Trochlear nucleus (IV)
Mesencephalic duct (cerebral aqueduct, aqueduct of Sylvius)

Forebrain (prosencephalon)

Diencephalon

Epithalamus

Third ventricle

Thalamus

Anterior nuclear group
- Anteroventral nucleus (a.k.a. ventral anterior nucleus)
- Anterodorsal nucleus
- Anteromedial nucleus
Medial nuclear group
- Medial dorsal nucleus
- Midline nuclear group
- Paratenial nucleus
- Reuniens nucleus (a.k.a. medioventral nucleus)
- Rhomboidal nucleus
- Intralaminar nuclear group
- Centromedian nucleus
- Parafascicular nucleus
- Paracentral nucleus
- Central lateral nucleus
Lateral nuclear group
Ventral nuclear group
Metathalamus
- Medial geniculate body
- Lateral geniculate body
Thalamic reticular nucleus

Hypothalamus (limbic system) (HPA axis)

Anterior
- Medial area
  - Parts of preoptic area
    - Medial preoptic nucleus
      - INAH 1
      - INAH 2
      - INAH 3
      - INAH 4
    - Median preoptic nucleus
  - Suprachiasmatic nucleus
  - Paraventricular nucleus
  - Supraoptic nucleus (mainly)
  - Anterior hypothalamic nucleus
- Lateral area
  - Parts of preoptic area
    - Lateral preoptic nucleus
  - Anterior part of Lateral nucleus
  - Part of supraoptic nucleus
- Other nuclei of preoptic area
  - Median preoptic nucleus
  - Periventricular preoptic nucleus
Tuberal
- Medial area
- Lateral area
  - Tuberal part of Lateral nucleus
  - Lateral tuberal nuclei
Posterior
- Medial area
  - Mammillary nuclei (part of mammillary bodies)
  - Posterior nucleus
- Lateral area
  - Posterior part of Lateral nucleus
Surface
- Median eminence
- Mammillary bodies
- Pituitary stalk (infundibulum)
Optic chiasm
Subfornical organ
Periventricular nucleus
Tuber cinereum
- Tuberal nucleus
- Tuberomammillary nucleus
Tuberal region
Mammillary nucleus

Subthalamus (HPA axis)

Pituitary gland (HPA axis)

Telencephalon (cerebrum) Cerebral hemispheres

White matter

Subcortical

Hippocampus (Medial Temporal Lobe)
- Dentate gyrus
- Cornu ammonis (CA fields)
Amygdala (limbic system) (limbic lobe)
- Central nucleus (autonomic nervous system)
- Medial nucleus (accessory olfactory system)
- Cortical and basomedial nuclei (main olfactory system)
- Lateral and basolateral nuclei (frontotemporal cortical system)
Extended amygdala
- Stria terminalis
  - Bed nucleus of the stria terminalis
Claustrum
Basal ganglia
- Striatum
  - Dorsal striatum (a.k.a. neostriatum)
    - Putamen
    - Caudate nucleus
  - Ventral striatum
    - Nucleus accumbens
    - Olfactory tubercle
- Globus pallidus (forms nucleus lentiformis with putamen)
  - Ventral pallidum
- Subthalamic nucleus
Basal forebrain

Rhinencephalon (paleocortex)

Cerebral cortex (neocortex)

Frontal lobe
- Cortex
- Gyri
- Brodmann areas: 4, 6, 8, 9, 10, 11, 12, 24, 25, 32, 33, 44, 45, 46, 47
Parietal lobe
- Cortex
- Gyri
  - Postcentral gyrus (Primary somesthetic area)
- Other
  - Precuneus
- Brodmann areas 1, 2, 3 (Primary somesthetic area); 5, 7, 23, 26, 29, 31, 39, 40
Occipital lobe
- Cortex
  - Primary visual cortex (V1)
  - V2
  - V3
  - V4
- Gyri
  - Lateral occipital gyrus
- Other
  - Cuneus
- Brodmann areas 17 (V1, primary visual cortex); 18, 19
Temporal lobe
- Cortex
- Gyri
- Brodmann areas: 20, 21, 22, 27, 34, 35, 36, 37, 38, 41, 42
- Other
  - Medial superior temporal area (MST)
Insular cortex
Cingulate cortex
- Anterior cingulate
- Posterior cingulate
- Retrosplenial cortex
- Indusium griseum
- Subgenual area 25
- Brodmann areas 23, 24; 26, 29, 30 (retrosplenial areas); 31, 32

Neural pathways

Superior longitudinal fasciculus
- Arcuate fasciculus
Uncinate fasciculus
Perforant pathway
Thalamocortical radiations
Corpus callosum
Anterior commissure
Amygdalofugal pathway
Interthalamic adhesion
Posterior commissure
Habenular commissure
Fornix
Mammillotegmental fasciculus
Incertohypothalamic pathway
Cerebral peduncle
Medial forebrain bundle
Medial longitudinal fasciculus
Myoclonic triangle
Solitary tract
Major dopaminergic pathways from dopaminergic cell groups
- Mesocortical pathway
- Mesolimbic pathway
- Nigrostriatal pathway
- Tuberoinfundibular pathway
Serotonergic pathways
- Raphe Nuclei
Norepinephrine Pathways
- Locus coeruleus and other noradrenergic cell groups
Epinephrine pathways from adrenergic cell groups
Glutamate and acetylcholine pathways from mesopontine nuclei

Motor systems / Descending fibers

Somatosensory system

Visual system

Auditory system

Nerves

Brain stem
- Cranial nerves

Neuroendocrine systems

Neuro vascular systems

Neurotransmitter pathways

Dural meningeal system

Cerebrospinal Fluid
Brain-cerebrospinal fluid barrier
Meningeal coverings
Epidural space
Subdural space
Subarachnoid space
- Arachnoid septum
- Superior cistern
- Cistern of lamina terminalis
- Chiasmatic cistern
- Interpeduncular cistern
- Pontine cistern
- Cisterna magna
- Spinal subarachnoid space
Ventricular system
- Lateral ventricles
  - Angular bundle
  - Anterior horn
  - Body of lateral ventricle
  - Inferior horn
  - Posterior horn
    - Calcar avis
  - Subventricular zone
- Third ventricle
- Fourth ventricle
- Foramina

Limbic system

Cortical areas:
- Limbic lobe
- Orbitofrontal cortex
- Piriform cortex part of the olfactory system
- Entorhinal cortex
- Hippocampus and associated structures
- Fornix and septal nuclei
Subcortical areas:
Diencephalic structures:

Other areas that have been included in the limbic system include the:

Stria medullaris
Central gray and dorsal and ventral nuclei of Gudden

References

External links

Brain at the U.S. National Library of Medicine Medical Subject Headings (MeSH) (view tree for regions of the brain)
BrainMaps.org
BrainInfo (University of Washington)
"Brain Anatomy and How the Brain Works". Johns Hopkins Medicine. 14 July 2021.
"Brain Map". Queensland Health. 12 July 2022.