Medical Dictionary # E

Medical dictionary contains searches, information, news and resources for the medical, pharmaceutical and healthcare professional. The following medical searches, dictionary listings, and resources are available for free. Medical Dictionary contains definitions and explanations of thousands of medical terms.

early diastolic murmur

A murmur that begins with the second heart sound, as the murmur of aortic insufficiency.

 

early posttraumatic epilepsy

Seizures beginning within one week after severe head injury.

 

ebracteate

<botany> Without bracts.

 

ebonite

<chemistry> A hard, black variety of vulcanite. It may be cut and polished, and is used for many small articles, as combs and buttons, and for insulating material in electric apparatus.

 

ebranlement

Twisting a polyp on its stalk to cause atrophy.

 

eccentric hypertrophy

Thickening of the wall of the heart or other cavity, with dilation.

 

eccentric fixation

A monocular condition in which the line of sight connects the object and an extrafoveal retinal area.

 

eccentric amputation

Amputation with the scar of the stump off-centre.

 

eccentric implantation

Implantation in which the blastocyst lies in a uterine crypt, as in the mouse, rat, and hamster.

 

eccentric occlusion

Any occlusion other than centric.

 

eccentrochondroplasia

Abnormal epiphysial development from eccentric centres of ossification.

 

ecchondroma

1. A cartilaginous neoplasm arising as an overgrowth from normally situated cartilage, as a mass protruding from the articular surface of a bone, in contrast to enchondroma.

2. An enchondroma which has burst through the shaft of a bone and become pedunculated.

 

ecchymoma

A slight haematoma following a bruise.

 

ecchymosis

<dermatology> A small haemorrhagic spot, larger than a petechia, in the skin or mucous membrane forming a nonelevated, rounded or irregular, blue or purplish patch.

 

eccrine acrospiroma

<tumour> A tumour derived from eccrine sweat glands, composed of glycogen-rich clear cells.

 

eccrine poroma

<tumour> A poroma or acrospiroma of the eccrine sweat glands, usually occurring on the sole of the foot.

 

eccrine spiradenoma

<tumour> A typically painful benign skin tumour composed of two cell types derived from the secretory part of eccrine sweat glands.

 

eccyesis

<obstetrics> An alternative term for ectopic pregnancy.

 

ecdysiasm

A morbid tendency to undress to produce sexual desire in others.

 

ecdysone dehydrogenase-isomerase

<enzyme> Converts alpha-ecdysone to less active 3-epiecdysone, using NADP

 

echinite

<paleontology> A fossil echinoid.

 

echogenic pancreas

<radiology> Fatty degeneration, cystic fibrosis, calcification (chronic pancreatitis)

 

echidnine

The clear, viscid fluid secreted by the poison glands of certain serpents; also, a nitrogenous base contained in this, and supposed to be the active poisonous principle of the virus.

 

echocardiographic differentiation

The processing of a signal so that the output depends upon the rate of change of the input; e.g., it will display changes in amplitude but will reduce the duration of the waveform.

 

echocardiography

Echocardiography is a diagnostic test which uses ultrasound waves to make images of the heart chambers, valves and surrounding structures. It can measure cardiac output and is a sensitive test for inflammation around the heart (pericarditis). It can also be used to detect abnormal anatomy or infections of the heart valves.

Email to a friend