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Carcinoid tumour and carcinoid syndrome

Carcinoid tumour and carcinoid syndrome

Carcinoid tumour occurs in the hormone-producing cells of the gastrointestinal organs. It produces a set of symptoms referred to as carcinoid syndrome.

22 Dec 2005

Skin (epidermis) anatomy

Skin (epidermis) anatomy

The skin or epidermis is the largest organ in the body. Layers of epidermis (skin) regulate temperature and sensation and create a protective barrier.

22 Dec 2005

Spina bifida

Spina bifida

Spina bifida is a birth defect which is usually obvious in affected newborns. It occurs due to abnormal development of the neural tube in pregnancy.

19 Dec 2005

Food allergy

Food allergy

Food allergies are common in children and adults. Peanuts, milk and dairy products, eggs, meat and fish are the most common food allergens.

15 Dec 2005

Epileptic seizures (epileptic fits; status epilepticus)

Epileptic seizures (epileptic fits; status epilepticus)

Epileptic seizures cause a jerking and shaking movement and loss of consciousness which usually stops spontaneously. They affect blood flow to the brain.

27 Oct 2005

Lennox-Gastaut syndrome (LGS; childhood epilepsy)

Lennox-Gastaut syndrome (LGS; childhood epilepsy)

Lennox-Gastaut syndrome is a rare type of childhood epilepsy which impairs child development but usually resolves by 8 years of age.

26 Oct 2005

Hypersensitivity reaction type IV

Hypersensitivity reaction type IV

Hypersensitivity reaction type IV is an allergic reaction (e.g. contact dermatitis) that occurs due to overactivity of immune cells called T lymphocytes.

12 Oct 2005

Hypersensitivity reaction type II

Hypersensitivity reaction type II

Hypersensitivity reaction type II is also called cytotoxic reaction or antibody-dependent hypersensitivity reaction. This is its defining feature.

12 Oct 2005

Allergic conjunctivitis (red eye; pink eye)

Allergic conjunctivitis (red eye; pink eye)

Allergic conjunctivitis causes uncomfortable, red eyes after exposure to bacteria, viruses or allergens. It causes inflammation of the eye's conjuctiva.

08 Oct 2005