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Rickets
Rickets A disorder of childhood characterised by defective bone and mineralisation, where characteristic lower limb bowing or bending occurs. Other outward signs of rickets can be the so-called rachitic rosary on the ribs, and thickened wrists, as well as bossing of the forehead.
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Childhood
1. The time for a boy or girl from birth until he or she is an adult. 2. The more circumscribed period of time from infancy to the onset of puberty.
Bone
Bone refers either to a hardened connective tissue or to one of the individual structures, or organs, into which it is formed, found in many animals. Bones support body structures, protect internal organs, and (in conjunction with muscles) facilitate movement; are also involved with cell formation, calcium metabolism, and mineral storage. The bones of an animal are, collectively, known as the skeleton.
Rickets
A disorder of childhood characterised by defective bone and mineralisation, where characteristic lower limb bowing or bending occurs. Other outward signs of rickets can be the so-called rachitic rosary on the ribs, and thickened wrists, as well as bossing of the forehead.
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Rectum
An 8-inch chamber connected to the large intestine that receives solid waste (feces) from the descending colon to be expelled from the body. The rectum connects the colon to the anus. It is the rectum's job to receive stool from the colon, to let the person know that there is stool to be evacuated, and to hold the stool until evacuation happens.
Rheumatism
A general disease characterized by painful, often multiple, local inflammations, usually affecting the joints and muscles, but also extending sometimes to the deeper organs, as the heart.
Retinitis Pigmentosa (RP)
A hereditary condition resulting in degeneration of the retina; causes a narrowing of the field of vision. The visual field loss often begins as a donut like ring in mid-periphery. As it progresses both centrally and peripherally, the resultant tunnel vision begins to affect the patient’s activities, driving and mobility.
Rheumatoid arthritis
Rheumatoid arthritis is a chronic disease that is of unknown cause and is characterized by pain, stiffness, inflammation, swelling and sometimes destruction of joints.
Rigidity
Rigidity is an increased resistance to the passive movement of a limb.
Rickets
Rheumatic Fever
A serious inflammatory condition which follows Streptococcal pharyngitis. Acute rheumatic fever can destroy the heart valves or leave them vulnerable to scarring, thickening, calcification, and fusion of the leaflets later in life.
Ribosome
A cytoplasmic cellular structure, composed of ribonucleic acid and protein, that functions in the synthesis of protein. Ribosomes interact with messenger RNA and transfer RNA to join together amino acid units into a polypeptide chain according to the sequence determined by the genetic code.
Radioisotope scan
Uses radioactive substances introduced into the body to create an image of the functioning adrenal gland.
Risk factors
Traits that make it more likely that a person will develop an illness.
Restless Leg Syndrome (RLS)
Wittmaack-Ekbom or restless legs syndrome is a disorder of the nervous system that affects sensation and movement in the legs and causes the limbs to feel uncomfortable. Relief can be temporarily gained by moving the legs which cause sufferers to seem fidgety and restless.
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