Aqueous Humor (also known as Aqueous Humors, Humor, Aqueous): The clear, watery fluid which fills the anterior and posterior chambers of the eye. It has a refractive index lower than the crystalline lens, which it surrounds, and is involved in the metabolism of the cornea and the crystalline lens. (Cline et al., Dictio

NIH MeSH · D001082Anatomy

Aqueous Humor

Also known asAqueous Humors · Humor, Aqueous · Humors, Aqueous · Intraocular Fluid · Fluid, Intraocular · Fluids, Intraocular · Intraocular Fluids · Aqueous Flare · Aqueous Flares · Flare, Aqueous

Definition

The clear, watery fluid which fills the anterior and posterior chambers of the eye. It has a refractive index lower than the crystalline lens, which it surrounds, and is involved in the metabolism of the cornea and the crystalline lens. (Cline et al., Dictionary of Visual Science, 4th ed, p319)

MeSH classification

  • A09.371.060.067.070
  • A12.207.270.040

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Related concepts

Anterior Chamber

The space in the eye, filled with aqueous humor, bounded anteriorly by the cornea and a small portion of the sclera and posteriorly by a sma…

Common questions about Aqueous Humor

What does Aqueous Humor mean in medicine?
The clear, watery fluid which fills the anterior and posterior chambers of the eye. It has a refractive index lower than the crystalline lens, which it surrounds, and is involved in the metabolism of the cornea and the crystalline lens. (Cline et al., Dictionary of Visual Science, 4th ed, p319) 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 Aqueous Humor known by any other names?
Yes. Aqueous Humor is also referred to as Aqueous Humors, Humor, Aqueous, Humors, Aqueous, Intraocular Fluid 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 Aqueous Humor sit in the medical classification?
Aqueous Humor falls under the broader medical category "Anatomy" in the MeSH hierarchy (tree numbers: A09.371.060.067.070, A12.207.270.040). 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 Aqueous Humor?
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Source: NIH MeSH 2026 (D001082) — National Library of Medicine, public domain. View official MeSH record ↗