| MCA | major coronary artery; Maternity Center Association; medical care administration; methylcholanthrene... |
|---|---|
| MCAO | middle cerebral artery occlusion |
| MCAS | middle cerebral artery syndrome |
| MCAT | medical college admission test; middle cerebral artery thrombosis |
| MHA | major histocompatibility antigen; May-Hegglin anomaly; Mental Health Association; methemalbumin; mic... |
| ear cyst | A sebaceous cyst that occurs most commonly in the ear canal. They are bulging sac-like collections of dead skin cells and fluid. These cysts can be quite painful and may block the canal causing hearing loss. Treatment may include warm wet compresses, antibiotics (if infected) and surgical removal in some cases. Most resolve spontaneously. (27 Sep 1997) |
|---|---|
| ear deformities, acquired | Distortion or disfigurement of the ear caused by disease or injury after birth. (12 Dec 1998) |
| ear diseases | Diseases of the ear, general or unspecified. (12 Dec 1998) |
| ear lobe | The lowest part of the auricle; it consists of fat and fibrous tissue not reinforced by the auricular cartilage. Synonym: lobulus auriculae, lobule of auricle. (05 Mar 2000) |
| ear lobe crease | A diagonal crease found on one or both earlobes with a possible connection to coronary heart disease in males. (05 Mar 2000) |
| ear, low-set | A minor anomaly involving an ear situated down below its normal location. Technically, the ear is low-set when the helix (of the ear) meets the cranium at a level below that of a horizontal plane through both inner canthi (the inside corners of the eyes). The presence of 2 or more minor anomalies in a child increases the probability that the child has a major malformation. (12 Dec 1998) |
| ear, malrotated | See Ear, slanted. (12 Dec 1998) |
| ear mange | Disease resulting from heavy infestation with the mite Otodectes cynotis in the ears of dogs, cats, foxes, and other carnivores and manifested by head shaking, continual ear scratching, and ear droop; observed in severe cases are torticollis, circling, epileptoid fits with purulent inflammation and discharge of the external ear, and possible perforation of the tympanic membrane. See: otoacariasis. Synonym: ear mange. (05 Mar 2000) |
| ear neoplasms | Neoplasms of the internal, external, or middle ear. (12 Dec 1998) |
| ear-piercer | <zoology> The earwig. Source: Websters Dictionary (01 Mar 1998) |
| ear pit | Tiny pit in front of the ear: preauricular pit. A minor anomaly of no great consequence in itself. More common in blacks than whites and in females than males. Can recur in families. The presence of 2 or more minor anomalies in a child increases the probability that the child has a major malformation. (12 Dec 1998) |
| ear protective devices | Personal devices for protection of the ears from loud or high intensity noise, water, or cold. These include earmuffs and earplugs. (12 Dec 1998) |
| ear puncture | Puncture of the ear drum may be due to an accident for example when something is stuck into the ear. Or it may be due to fluid pressure in the middle ear. Today the ear drum is occasionally punctured on purpose with surgery. A surgically placed tiny incision (a myringotomy) is made in the eardrum. Any fluid, usually thickened secretions, is removed and an ear tube may be inserted. (12 Dec 1998) |
| ear ringing | Together with other abnormal ear noises, ear ringing is medically called tinnitis. Tinnitus can arise in any of the four sections of the ear: the outer ear, the middle ear, the inner ear, and the brain. If tinnitus persists and its cause is unknown, a hearing test (audiogram)should be done. Measures can be taken to lessen the intensity oftinnitus. (12 Dec 1998) |
| ear-shell | <zoology> A flattened marine univalve shell of the genus Haliotis. Synonym: sea-ear. See Abalone. Source: Websters Dictionary (01 Mar 1998) |