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osteoporosis

A condition resulting in brittle bones due to loss of bony tissue.

osteosarcoma

The most common form of bone cancer.

ostomy

A surgical procedure to create an opening in the body for the elimination of bodily waste.

OTC

over the counter

otitis externa

An ear infection affecting the outer ear.

otitis media

Inflammation of the middle ear, the chamber of the ear that lies behind the eardrum.

otosclerosis

A disorder of the middle ear that causes progressive deafness.

ovarian

relating to the ovaries

ovaries

Female reproductive organs situated one on either side of the uterus (womb). They produce egg cells (ova) and hormones in a monthly cycle.

overflow incontinence

Incontinence of urine due to uncontrollable leakage when the bladder fails to empty properly and becomes over-filled.

ovulation

When one or more eggs are released from the ovary.

ovulatory

Associated with ovulation.

osteotomy

A surgical procedure whereby bone is cut or broken to straighten, shorten or lengthen the bone.

occiput

The back of the head.

osteochondral lesion

A tear or fracture in the cartilage of a joint.

osteophytosis

The growth of osteophytes or bony outgrowths.

Osteolysis

inflammatory response that destroys the bone

Osteoblasts

Cells responsible for bone formation

osteoclasts

large cells that absorb bone tissue

osteopenia

A  condition in which the protein and mineral content of bone tissue is reduced, but less severely than in osteoporosis.

orthorexia

An eating disorder characterised by extreme or excessive preoccupation with eating food believed to be healthy.