| epithelium lentis | The layer of cuboidal cells lying on the anterior surface of the crystalline lens inside the lens capsule. at the equator the cells elongate and give rise to the lens fibres. Synonym: epithelium lentis. (05 Mar 2000) |
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| equator lentis | The periphery of the lens lying between the two layers of the ciliary zonule. Synonym: equator lentis. (05 Mar 2000) |
| tunica vasculosa lentis | A nutrient vascular layer enveloping the lens of the eye in the foetus. (05 Mar 2000) |
| facies anterior lentis | The anterior surface of the lens of the eye. Synonym: facies anterior lentis. (05 Mar 2000) |
| facies posterior lentis | The posterior surface of the lens of the eye. Synonym: facies posterior lentis. (05 Mar 2000) |
| fibrae lentis | <biology, ophthalmology, physiology> The elongated cells of ectodermal origin forming the substance of the crystalline lens of the eye. Synonym: fibrae lentis. (05 Mar 2000) |
| aborted ectopic pregnancy | The rupture of an oviduct, the seat of ectopic pregnancy, or extrusion of the product of conception through the fimbriated end of the oviduct; aborted ectopic pregnancy, the pregnancy having originated in the fallopian tubes. Synonym: aborted ectopic pregnancy. (05 Mar 2000) |
| acth syndrome, ectopic | Symptom complex due to acth production by non-pituitary neoplasms. (12 Dec 1998) |
| persistent ectopic pregnancy | An ectopic pregnancy which has persistent viable tissue, secreting hCG after conservative surgery. (05 Mar 2000) |
| pregnancy, ectopic | A pregnancy that is not in the usual place and is located outside the inner lining of the uterus. A fertilised egg settles and grows in any location other than the inner lining of the uterus. The vast majority of ectopic pregnancies occur in the fallopian tube (95%), however, they can occur in other locations, such as the ovary, cervix, and abdominal cavity. An ectopic pregnancy occurs in about 1 in 60 pregnancies. A major concern with an ectopic pregnancy is internal bleeding. If there is any doubt, seek medical attention promptly. (12 Dec 1998) |
| pregnancy, ectopic, symptoms of | Symptoms of an ectopic pregnancy can often be vague and include vaginal bleeding, abdominal or pelvic pain (usually stronger on one side),shoulder pain, weakness, or dizziness. Weakness, dizziness, and a sense of passing out upon standing can represent serious internal bleeding, requiring immediate medical attention. (12 Dec 1998) |
| hormones, ectopic | Hormones released from neoplasms or cells outside the usual sources of hormones. Such hormones may be useful as tumour markers. (12 Dec 1998) |
| tachycardia, ectopic atrial | A tachycardia originating in the atrial myocardium and characterised by rates between 135 and 175 beats per minute. (12 Dec 1998) |
| tachycardia, ectopic junctional | A tachycardia arising in the conduction tissues surrounding the atrioventricular node. It usually occurs during myocardial infarction, after heart surgery, or in digitalis intoxication. The rate may range from 140 to 250 beats per minute. (12 Dec 1998) |
| ectopic | Pertaining to or characterised by ectopia. (18 Nov 1997) |