polycystic ovary syndrome, which is a condition where tiny cysts develop in the ovaries and eggs may not be released regulary or at all.
PCOS
PCR
Polymerase chain reaction, a technique that involves the isolation and analysis of genetic material or DNA.
PCV
packed cell volume
PE
pulmonary embolism
peak expiratory flow rate (PEFR)
A test, often called just 'peak flow', that measures how fast a person can exhale, as a guide to how well the lungs are working. It is tested with a hand-held instrument called a peak flow meter into which the person blows as hard and fast as possible after taking a deep breath
pedunculated
Attached to or supported on a stalk (peduncle).
PEFR
peak expiratory flow rate
PEG feeding
Passing a tube into the stomach for feeding. PEG stands for percutaneous endoscopic gastrostomy.
pelvic
Relating to the pelvis.
pelvic congestion syndrome
A condition in which pelvic veins become enlarged or engorged, similar to varicose veins in the legs.
pelvic floor muscles
The muscles of the perineum surrounding the vaginal opening and acting as a sling supporting the uterus, bladder and rectum.
pelvic lymph node dissection
The surgical removal of pelvic lymph nodes to detect or remove cancer spread in the area.
pelvic pain syndrome
Long-standing (over 6 months) pain in the pelvic region, from any cause. Sometimes no specific cause can be identified.
pelvis
The bony basin formed by the hip bones and the lower vertebrae of the spine; also refers to the lower part of the abdomen.
pemphigoid
A rare autommune disease in which blisters form in skin and mucous membranes. It is similar to pemphigus but without the same degree of breakdown in the superficial skin layer.
pemphigoid gestationis
A rare autoimmune disorder that affects women during pregnancy and which causes skin blisters.
pemphigus
A rare autoimmune disease in which blisters form on the skin and mucous membranes.
pemphigus vulgaris
An autoimmune disease resulting in blistering of the skin and mucous membranes. It can be severe or even fatal, due to fluid loss and infection.
pephigoid gestationis
peptic ulcer
an open sore that develops on the inside lining of the stomach or small intestine
peptic ulceration
An ulcer caused by the erosion of the lining of the gastrointestinal tract by digestive juices.
percutaneous coronary intervention
Angioplasty: the mechanical widening or clearing of a narrowed or obstructed blood vessel.
perforation
The formation of a hole in an organ or tissue.
perfusion CT
A type of CT (computed tomography) scan, during which contrast medium is injected to enhance the visibility of structures.