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Descriptor English: Clay
Descriptor Spanish: Arcilla
Descriptor Portuguese: Argila
Descriptor French: Argile
Entry term(s): Clays
Halloysite
Halloysites
Tree number(s): D20.721.250
G01.311.820.250
G16.500.275.815.250
N06.230.600.250
SP4.021.202.133.709.665.541
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D000077215
Scope note: A naturally-occurring rock or soil constituent characterized by particles with a diameter of less than 0.005 mm. It is composed primarily of hydrous aluminum silicates, trace amounts of metal OXIDES, and organic matter.
Allowable Qualifiers: CH chemistry
CL classification
MI microbiology
PS parasitology
ST standards
VI virology
Registry Number: T1FAD4SS2M
Public MeSH Note: 2019; CLAY was indexed under ALUMINUM SILICATES 1976-2018
History Note: 2019 (1976)
Related: Calcium Aluminosilicate MeSH
Clay Soils DeCS
Filtration Media DeCS
DeCS ID: 24974
Unique ID: D000077215
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 2019/01/01
Date of Entry: 2018/07/09
Revision Date: 2019/04/29
Clay - Preferred
Concept UI M0058255
Scope note A naturally-occurring rock or soil constituent characterized by particles with a diameter of less than 0.005 mm. It is composed primarily of hydrous aluminum silicates, trace amounts of metal OXIDES, and organic matter.
Preferred term Clay
Entry term(s) Clays
Halloysite - Narrower
Concept UI M0439354
Preferred term Halloysite
Entry term(s) Halloysites



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