Genes - a gene is a length of DNA that contains instructions to make a single protein, like a recipe in the big DNA recipe book. Genetics - the study of genes and inheritance. Some people study how certain inherited diseases are passed down generations and some study genes to explain the similarities and differences between organisms. There are also people studying the genes thought to be involved in lupus click here to find out more Glaucoma - a condition in which loss of vision can occur because of an abnormally high pressure in the eye. It is characterised by a central area of macrophages surrounded by T cells.
Haematologic disorders are therefore disorders of the blood.
M.I. This is death of a bit of heart muscle caused by blockage of the blood supply to that bit of muscle resulting in sudden severe chest pain, which may spread to the arms and throat. Histamine - a substance found mostly in the stores in Mast cells. It normal circumstances histamine causes local inflammation to help fight infection but the same reaction also occurs in allergic conditions such as asthma and hay fever. Histones - are simple proteins used to package the massive length of DNA in the relatively tiny cell nucleus. These should normally be cleared by special macrophages in the liver and spleen with the aid of the complement system.