| IMP | idiopathic myeloid proliferation; impression; incomplete male pseudohermaphroditism; individual Medi... |
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| LAM | laminectomy; laminin; late ambulatory monitoring; Latin American male; left anterior measurement; le... |
| L/M | Latin male |
| LMC | large motile cell; lateral motor column; left main coronary [artery]; left middle cerebral [artery];... |
| M/A | male, altered [animal]; mood and/or affect |
| ventricular septal defect | <cardiology, embryology> A congenital heart defect where an abnormal opening exists in the ventricular septum. Blood flows from the higher pressure left ventricle (through the defect) into the right ventricle. (12 Jan 1998) |
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| genitalia, male | The male reproductive organs. They are divided into the external organs (penis, scrotum, and urethra) and the internal organs (testis, epididymis, ductus deferens, seminal vesicle, ejaculatory duct, prostate, and bulbourethral gland. (12 Dec 1998) |
| genital neoplasms, male | Neoplasms of the male genitalia. (12 Dec 1998) |
| Gerbode defect | <cardiology, embryology> A defect in the interventricular portion of the membranous septum, associated with a communication between the right ventricle and the right atrium through an abnormality in the tricuspid valve. (05 Mar 2000) |
| mass defect | <chemistry, radiobiology> Of a nucleus, the difference between the sum of the masses of the constituent nucleons and the mass of the nucleus. (16 Dec 1997) |
| partial endocardial cushion defect | <radiology> Incomplete endocardial cushion defect components: ostium primum atrial septal defect, cleft in anterior mitral valve findings: right AV valve is usually normal, with or without mitral insufficiency, communication between LA_RA or LV-RA, occasionally LV-RV Cf: complete endocardial cushion defect (12 Dec 1998) |
| relative afferent pupillary defect | An asymmetry of the pupillomotor input between the two eyes; tested by alternating the light from one eye to the other and comparing the direct light reactions. (05 Mar 2000) |
| metaphysial fibrous cortical defect | A small (less than 2 to 3 cm in diameter) fibrous cortical d. (05 Mar 2000) |
| complete endocardial cushion defect | <radiology> Arteriovenous canal components: low atrial septal defect (ostium primum), high VSD, cleft anterior leaflet of mitral valve, cleft septal leaflet of tricuspid valve, one AV valve common to RV and LV with 5-6 leaflets findings: 4-chamber enlargement (R greater than L), mitral insufficiency, associated with congestive heart failure and Eisenmenger syndrome, gooseneck deformity on angiogram (elongation and narrowing of the LV outflow tract during diastole) see also: endocardial cushion defect, partial endocardial cushion defect (12 Dec 1998) |
| congenital defect | A birth defect. (12 Dec 1998) |
| congenital ectodermal defect | Incomplete development of the epidermis and skin appendages; the skin is smooth and hairless, the facies abnormal, and the teeth and nails may be affected; sweating may be deficient. Synonym: congenital ectodermal dysplasia. (05 Mar 2000) |
| contraceptive agents, male | Chemical substances or agents with contraceptive activity in males. Use for male contraceptive agents in general or for which there is no specific heading. (12 Dec 1998) |
| contraceptive devices, male | Contraceptive devices used by males. (12 Dec 1998) |
| coupling defect | See: familial goiter. (05 Mar 2000) |
| postinfarction ventricular septal defect | A defect developed in the ventricular septum resulting from rupture of an acute myocardial infarction. (05 Mar 2000) |