Glossary

Browse through glands, hormones and endocrine conditions.
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Eating disorders and hormones

Eating disorders such as anorexia nervosa, bulimia nervosa and binge-eating disorder can influence hormone levels causing physical and psychological problems. Unhealthy eating styles can affect hormones that regulate metabolism, fertility and pregnancy.

endoscopic ultrasound

ultrasound uses high frequency sound to visualise bits of the body. During endoscopic ultrasound, the patient is asked to swallow a very small camera attached to a tube. This makes it possible to look for tumours in the gut, which might occur in carcinoid syndrome, insulinoma, gastrinona and glucagonoma.

Empty sella syndrome

Empty sella syndrome is the term used to describe the appearance of a small or absent pituitary gland on pituitary imaging. Most patients have no symptoms, and generally no treatment is required. If hormone deficiencies are present, replacement therapy should be considered.

erectile dysfunction

difficulty in obtaining or maintaining an erection of the penis.

Endometrial cancer

Endometrial cancer is a form of cancer that originates from the tissue that lines the womb. This tissue is called the endometrium.

Eating disorders

Eating disorders refer to unhealthy eating habits, which cause psychological and physical damage but can be treated in many cases.

endocrinologist

a doctor who specialises in the study or treatment of hormone conditions.

Erythropoietin

Erythropoietin is a hormone, produced mainly in the kidneys, which stimulates the production and maintenance of red blood cells.

echocardiogram

an ultrasound scan of the heart showing its structure and function.

Endometriosis

Endometriosis is a condition in women where the lining of the womb grows outside of the womb causing scar tissue and painful monthly periods.

ejaculation

the process by which sperm and seminal fluid is expelled from the male urethra (via the penis) during an orgasm.

extremities

the farthest out parts of the body such as the hands and feet.

epilepsy

a condition in which sudden bursts of brain activity lead to brief episodes of unconsciousness and convulsions.

excrete

to expel a substance from the body. Excretion is the process by which a substance is expelled from the body.

embryo

a fertilised egg that starts dividing into a small ball of cells and implants into the wall of the uterus (womb) at the start of a pregnancy. After 9 weeks, the embryo is referred to as a fetus.

enamel

the hard white substance of each tooth that covers the crown. It is the hardest substance in the body.

enzyme

a biological catalyst. A type of protein produced by cells that changes the rate of a chemical reaction in the body.


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