Internal Capsule (also known as Capsule, Internal, Capsules, Internal): WHITE MATTER pathway, flanked by nuclear masses, consisting of both afferent and efferent fibers projecting between the WHITE MATTER and the BRAINSTEM. It consists of three distinct parts: an anterior limb, posterior limb, and genu.

NIH MeSH · D020772Anatomy

Internal Capsule

Also known asCapsule, Internal · Capsules, Internal · Internal Capsules · Capsula Interna · Capsula Internas · Interna, Capsula · Internas, Capsula

Definition

WHITE MATTER pathway, flanked by nuclear masses, consisting of both afferent and efferent fibers projecting between the WHITE MATTER and the BRAINSTEM. It consists of three distinct parts: an anterior limb, posterior limb, and genu.

MeSH classification

  • A08.186.211.200.885.385
  • A08.612.435

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Related concepts

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Common questions about Internal Capsule

What does Internal Capsule mean in medicine?
WHITE MATTER pathway, flanked by nuclear masses, consisting of both afferent and efferent fibers projecting between the WHITE MATTER and the BRAINSTEM. It consists of three distinct parts: an anterior limb, posterior limb, and genu. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Internal Capsule known by any other names?
Yes. Internal Capsule is also referred to as Capsule, Internal, Capsules, Internal, Internal Capsules, Capsula Interna in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Internal Capsule sit in the medical classification?
Internal Capsule falls under the broader medical category "Anatomy" in the MeSH hierarchy (tree numbers: A08.186.211.200.885.385, A08.612.435). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Internal Capsule?
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Source: NIH MeSH 2026 (D020772) — National Library of Medicine, public domain. View official MeSH record ↗