- junctional tissue
- the portion of the conducting system of the heart forming a bridge between the atrium and ventricle of the heart, comprising the atrioventricular node and the bundle of His.
Medical dictionary. 2011.
Medical dictionary. 2011.
junctional rhythm — n a cardiac rhythm resulting from impulses coming from a locus of tissue in the area of the atrioventricular node * * * atrioventricular junctional r … Medical dictionary
Junctional epithelium — The gingival sulcus (G) is bounded by the enamel of the crown (A) of the tooth and the sulcular epithelium. Immediately apical to the base of the pocket, and coronal to the most coronal of the gingival fibers (H) is the junctional epithelium. The … Wikipedia
nonparoxysmal junctional tachycardia — a junctional tachycardia of slow onset, with a heart rate of 70 to 130 beats per minute. It is due to enhanced automaticity of the atrioventricular junctional tissue and is often associated with digitalis toxicity, acute myocardial infarction,… … Medical dictionary
cardiovascular disease — Introduction any of the diseases, whether congenital or acquired, of the heart and blood vessels (blood vessel). Among the most important are atherosclerosis, rheumatic heart disease, and vascular inflammation. Cardiovascular diseases are a … Universalium
Ainhum — Classification and external resources Ainhum of the left foot of a Zulu patient in Ngwelezane Hospital, KZN, South Africa.(The little toe on the opposite foot had auto amputated several years earlier.) ICD 10 L … Wikipedia
nodal arrhythmia — arrhythmia occurring when the atrioventricular node or surrounding junctional tissue is acting as pacemaker … Medical dictionary
atrioventricular block — AV block impairment of conduction of cardiac impulses from the atria to the ventricles, usually due to a block in the atrioventricular junctional tissue (atrioventricular node, bundle of His, or bundle branches). It is generally subclassified as… … Medical dictionary
congenital complete heart block — third degree atrioventricular block that presents in the fetal or neonatal period and is caused by defective development of the atrioventricular junctional tissue; it may be associated with other cardiac anomalies … Medical dictionary
first degree atrioventricular block — a first degree heart block due to a block in the atrioventricular junctional tissue; the rate of conduction of impulses from the atria to the ventricles is slowed, resulting in regular electrocardiographic P–R intervals of greater than 0.21… … Medical dictionary
second degree atrioventricular block — a second degree heart block due to partial impairment of impulse conduction through the atrioventricular junctional tissue; impulses intermittently fail to reach the ventricles (dropped beats). It occurs as two types: type I is Wenckebach or… … Medical dictionary