Classification-Index

Classification 2025 Winter Edition

Worldwide source of medical classification resources

Class Index

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Hydrocholeretics See Cholagogues and Choleretics

Hydrocolloids See Colloids

Hydrocortisone

General

WK 755

Deficiency

WK 760

As a cause of a particular disorder, with the disorder

Hydrocortisone, (11 alpha)-Isomer See Hydrocortisone

Hydrocortisone, (9 beta,10 alpha,11 alpha)-Isomer See Hydrocortisone

Hydrocyanic Acid See Hydrogen Cyanide

HydroDIURIL See Hydrochlorothiazide

Hydroelectric Power Plants See Power Plants

Hydrogel See Hydrogels

Hydrogels

As biocompatible materials (General)

QT 37.5.P7

As dosage form

QV 786.5.C7

Biochemisty

QU 133

Used for special purposes, by subject

Hydrogen

Inorganic chemistry

QD 181.H1

Pharmacology

QV 275

Hydrogen Acceptors See Oxidation-Reduction

Hydrogen Bombs See Nuclear Weapons

Hydrogen Bonding QD 464.H1

Hydrogen Bonds See Hydrogen Bonding

Hydrogen Carbonate See Bicarbonates

Hydrogen Carbonates See Bicarbonates

Hydrogen Chloride See Hydrochloric Acid

Hydrogen Cyanide

Public health aspects

WA 240

Toxicology

QV 612

Hydrogen Ions See Protons

Hydrogen Oxide See Water

Hydrogen Peroxide QV 229

Hydrogen Peroxide (H2O2) See Hydrogen Peroxide

Hydrogen Sulfide

Inorganic chemistry

QD 181.S1

Toxicology

QV 662

Hydrogen Sulfide (H2(Sx)) See Hydrogen Sulfide

Hydrogen Sulfide (H2S2) See Hydrogen Sulfide

Hydrogen Sulfide (H2S3) See Hydrogen Sulfide

Hydrogen-1 See Hydrogen

Hydrogen-2 See Deuterium

Hydrogen-3 See Tritium

Hydrogen-Ion Concentration

General

QU 105

Electrochemistry

QD 562.H93

Hydrogenation QD 281.H8

Hydrogenomonas See Pseudomonas

Hydrogymnastics See Hydrotherapy

Hydrolase See Hydrolases

Hydrolases QU 136

Hydrolysis

Organic chemistry

QD 281.H83

Hydronephrosis WJ 301.5

Hydroperoxide See Hydrogen Peroxide

Hydroperoxide Cyclase See Prostaglandin-Endoperoxide Synthases

Hydrophid Venom See Elapid Venoms

Hydrophid Venoms See Elapid Venoms

Hydrophilic and Hydrophobic Interactions See Hydrophobic and Hydrophilic Interactions

Hydrophilic Contact Lens See Contact Lenses, Hydrophilic

Hydrophilic Interactions See Hydrophobic and Hydrophilic Interactions

Hydrophilicity See Hydrophobic and Hydrophilic Interactions

Hydrophobia See Rabies

Hydrophobic and Hydrophilic Interactions

General

QD 506

Special topics, by subject

Hydrophobic Interactions See Hydrophobic and Hydrophilic Interactions

Hydrophobicity See Hydrophobic and Hydrophilic Interactions