Category: A

A localized collection of thin-walled blood vessels covered by a cap of warty material. It is most often seen as an isolated malformation in the genital skin of the elderly or on the hands and feet of children. It is not malignant and its cause is unknown. Angiokeratomas may be removed surgically. Multiple angiokeratomas affecting…

A turn of the ovary, composed of Sertoli eel Leydig cells, or both. It can produce ma or female hormones and may give rise ‘masculinization; in children it may cau precocious puberty. Up to 30% of the tumors are malignant, but probably many as 85% of all cases are cured I surgery alone.  

Describing a collection of longstanding personality traits, including stubbornness, meanness, an over-meticulous concern to be accurate in small details, a disposition to check things unnecessarily, severe feelings of insecurity about personal worth, and an excessive tendency to doubt evident facts.  

A drug that relaxes smooth muscle, especially that of blood vessels. Given by inhalation, amyl nitrite is used mainly in the treatment of angina pectoris. It is rapidly absorbed and acts quickly, producing a fall in arterial blood pressure. Side-effects include flushing, faintness. and headache. High doses may cause restlessness, vomiting, and blue coloration of…

An antimalarial drug with effects and uses similar to those of chloroquine. It has also been used for the treatment of lupus erythematosus, leprosy, and rheumatoid arthritis. Doses used to treat malaria have almost no side-effects, but prolonged use may cause blue-gray deposits on the cornea of the eye, fingernails, and hard palate.  

Examination of the inside of the amniotic sac by means of 2m instrument (amnioscope) that is passed through the abdominal wall. This allows the developing infant within the cavity to be viewed directly. Cervical amnioscopy, performed late in pregnancy, enables the amniotic sac to be inspected through the neck of the womb, using a different…

An antiseptic with the same actions and uses as acriflavine. Unlike acriflavine, it does not cause staining.  

A potent local anesthetic. It is. applied to skin or mucous membranes for eye, ear. nose, and throat surgery, but it has. also been employed for ‘spinal anesthesia. An effective local anaesthetic for topical (surface) application. Used in ophthalmology and in skin preparations, it may sensitise the skin.  

A cell of the primitive enamel organ that lays down the enamel of a tooth. A cell from which tooth enamel is formed.  

A tumor that occurs in the rectum or cecum of the large intestine and is caused by the parasite Entamoeba histolytica, a protozoan that invades and destroys the walls of the gut. Tumors may ulcerate and become infected with pus-forming (pyogenic) bacteria, causing severe inflammation of the bowel wall. The tumors usually harden and may…