Anatomy study note · Head and neck

Frontal lobe

The part of each cerebral hemisphere in front of the central sulcus and above the lateral sulcus, lying in the anterior cranial fossa under the frontal bone.

Key points

• In front of the central sulcus, above the lateral sulcus.
• Precentral gyrus = motor area.
• Broca area (speech) just above the lateral sulcus, usually left.
• Cortex = grey matter on the surface, white matter beneath.
• CNS myelin: oligodendrocytes.

The full note in the atlas also covers

Features · Blood supply · Histology · Development

Sign in free to see it on the 3D model, read the full note and practise questions on it.

Written from

• Snell’s Clinical Anatomy by Regions, 10th ed., ch. 12, PDF pp. 1562–1564
• Inderbir Singh’s Human Embryology, ch. 17, PDF pp. 340–341
• BRS Cell Biology & Histology, 7th ed., ch. 9, PDF pp. 163, 169–170

More from the head and neck

• Genioglossus
• Geniohyoid
• Glossopharyngeal nerve
• Hippocampus
• Hyoglossus
• Hyoid bone
• Hypoglossal nerve
• Hypothalamus
• Inferior oblique
• Inferior rectus
• Insula
• Internal capsule

Privacy policy · Designed by DATXOC LLC.