| scleral diseases | General disorders of the sclera or white of the eye. They may include anatomic, embryologic, degenerative, or pigmentation defects. (12 Dec 1998) |
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| horse diseases | Diseases of domestic and wild horses of the species equus caballus. (12 Dec 1998) |
| sexually transmitted diseases | Diseases due to or propagated by sexual contact. (12 Dec 1998) |
| sexually transmitted diseases, bacterial | Bacterial diseases transmitted or propagated by sexual conduct. (12 Dec 1998) |
| sexually transmitted diseases in women | Gonorrhoea and chlamydia are bacterial sexually transmitted diseases (stds) frequently found together. Gonorrhoea is not transmitted from toilet seats. Women infected with it may not have any symptoms but can end up later with severe pelvic infection. Early syphilis causes a mouth or genital ulcer (chancre) and later can cause hair loss, headaches, sore throat, and skin rash. Even later, syphilis can lead to heart and brain damage. Genital herpes is a viral infection that can cause painful genital sores. Genital warts are caused by viruses and can increase a woman's risk for cancer of the cervix. Aids is caused by the human immunodeficiency virus (HIV). Hepatitis b is a virus that causes liver inflammation and can lead to cirrhosis and cancer of the liver. Hepatitis b can now be prevented with a vaccine. There is no safe sex. Condoms do not necessarily prevent stds. (12 Dec 1998) |
| sexually transmitted diseases, viral | Viral diseases which are transmitted or propagated by sexual conduct. (12 Dec 1998) |
| sheep diseases | Diseases of domestic and mountain sheep of the genus ovis. (12 Dec 1998) |
| single-gene diseases | Hereditary disorders caused by a change (mutation) in a single gene. There are thousands of single-gene diseases including achondroplastic dwarfism, huntington disease, cystic fibrosis, sickle cell disease, duchenne muscular dystrophy, and haemophilia. Single-gene diseases typically describe classic simple mendelian patterns of inheritance (as autosomal dominant, autosomal recessive, and x-linked traits) by comparison with polygenic diseases. (12 Dec 1998) |
| skin and connective tissue diseases | A collective term for diseases of the skin and its appendages and of connective tissue. (12 Dec 1998) |
| skin diseases, bacterial | Skin diseases caused by bacteria. (12 Dec 1998) |
| skin diseases, eczematous | Any of a variety of eruptive skin disorders characterised by erythema, oozing, vesiculation, and scaling. Aetiology is varied. (12 Dec 1998) |
| skin diseases, genetic | Diseases of the skin with a genetic component, usually the result of various inborn errors of metabolism. (12 Dec 1998) |
| skin diseases, infectious | Skin diseases caused by bacteria, fungi, parasites, or viruses. (12 Dec 1998) |
| skin diseases, metabolic | Diseases of the skin associated with underlying metabolic disorders. (12 Dec 1998) |
| skin diseases, papulosquamous | A group of dermatoses with distinct morphologic features. The primary lesion is most commonly a papule, usually erythematous, with a variable degree of scaling on the surface. Plaques form through the coalescing of primary lesions. (12 Dec 1998) |