Category: H
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Hairline fracture
A very slight crack in a bone caused by injury. A very thin break line of the bone with pieces closely approximated, which is often difficult to detect on an x-ray. A minor fracture in which all the portions of the bone are in perfect alignment. The fracture is seen on a radiograph as a…
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Hair cell
A receptor cell which converts fluid pressure changes into nerve impulses carried in the auditory nerve. Specialized hearing receptor cells of the inner ear, located in the organ of Corti within the cochlea. Rod-shaped hair-like processes project from each cell. Sound waves cause movement of fluid within the cochlea, leading to motion of the hairs.…
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Haemothorax
A condition in which blood is found in the pleural cavity. Haemothorax is the accumulation of blood in the pleural cavity, the space between the chest wall and the lung. It is primarily caused by chest injury, but it can also occur spontaneously in individuals with blood coagulation disorders or as a consequence of cancer.…
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Haemostat
A device which stops bleeding, e.g. a clamp.
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Haemosiderosis
A disorder in which iron forms large deposits in the tissue, causing haemorrhaging and destruction of red blood cells. An increase in the amount of iron stored in the body. Rarely, it may be due to ingestion of too much iron, but a more likely cause is repeated blood transfusions. The extra iron may affect…
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Haemosalpinx
The accumulation of blood in the Fallopian tubes.
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Haemorrhoidectomy
The surgical removal of haemorrhoids. Hemorrhoidectomy is a surgical procedure performed to remove haemorrhoids. It is utilized to treat large, prolapsing, or bleeding haemorrhoids when other simpler methods, such as banding, have not achieved the desired results. The recovery period following a haemorrhoidectomy typically lasts three to six weeks. Laxative medications are commonly prescribed during…
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Haemorrhoidal
Referring to haemorrhoids.
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Haemorrhagic stroke
A stroke caused by a burst blood vessel.
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Haemorrhagic fever
A viral infection that results in profuse internal bleeding from the capillaries, e.g. dengue or Ebola.