Classification-Index

Classification 2025 Summer Edition

Worldwide source of medical classification resources

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Class Index

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Seasonal Variation See Seasons

Seasons

Astronomical geography

QB 637.2 - QB 637.8

Medical geography

WA 103 - WA 104

Seat Belts

General

WA 275

Special topics, by topic

Seawater

Ecology

QH 541.5.S3

Hydrotherapy

WB 520

Pollution

Bathing beaches

WA 820

Industrial Waste

WA 788

See also Water Pollution

Seaweed

Botany

QK 570.2

Dietary use in health and disease

WB 430

As a medicinal plant

QV 766 - QV 770

Sebaceous Cyst See Epidermal Cyst

Sebaceous Gland Diseases WR 410

Sebaceous Gland Neoplasms WR 410

Sebaceous Glands WR 410

Sebaceous Lymphadenomas See Salivary Gland Neoplasms

Sebidin A See Chlorhexidine

Seborrhea See Dermatitis, Seborrheic

Seborrheic Dermatitis See Dermatitis, Seborrheic

Secalin See Glutens

Secalins See Glutens

Secernentea See Nematoda

Second Cranial Nerve See Optic Nerve

Second Cranial Nerve Diseases See Optic Nerve Diseases

Second Cranial Nerve Injuries See Optic Nerve Injuries

Second Cranial Nerve Trauma See Optic Nerve Injuries

Second Hand Smoke See Tobacco Smoke Pollution

Second Indochina War See Vietnam Conflict

Second Messenger Systems QU 120

Second Messengers See Second Messenger Systems

Second Opinion See Referral and Consultation

Second Sino-Japanese War 1937-1945 See Sino-Japanese War

Second Somatic Sensory Area See Somatosensory Cortex

Second World War See World War II

Secondary Biliary Cholangitis See Liver Cirrhosis, Biliary

Secondary Biliary Cirrhosis See Liver Cirrhosis, Biliary

Secondary Bronchi See Bronchi

Secondary Bronchus See Bronchi

Secondary CNS Vasculitis See Vasculitis, Central Nervous System

Secondary Dystonia See Dystonic Disorders

Secondary Esotropia See Esotropia

Secondary Hypersomnia Disorders See Disorders of Excessive Somnolence

Secondary Hypersomnolence Disorders See Disorders of Excessive Somnolence

Secondary Hypothyroidism See Hypothyroidism

Secondary Insomnia See Sleep Initiation and Maintenance Disorders

Secondary Intracranial Hypertension See Pseudotumor Cerebri

Secondary Motor Areas See Motor Cortex

Secondary Motor Cortex See Motor Cortex

Secondary Motor Neuron Disease See Motor Neuron Disease

Secondary Myocardial Diseases See Cardiomyopathies

Secondary Neurosyphilis See Neurosyphilis

Secondary Open Angle Glaucoma See Glaucoma, Open-Angle

Secondary Parkinsonism See Parkinson Disease, Secondary

Secondary Peritonitis See Peritonitis

Secondary Schools See Schools

Secondary Sensorimotor Cortex See Parietal Lobe