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Sinoatrial node

Introduction: Sinoatrial node

Description of Sinoatrial node

Sinoatrial node: a specialized bit of heart tissue that controls the heartbeat.
Source: WordNet 2.1

Sinoatrial node: The small mass of modified cardiac muscle fibers located at the junction of the superior vena cava (VENA CAVA, SUPERIOR) and right atrium. Contraction impulses probably start in this node, spread over the atrium (HEART ATRIUM) and are then transmitted by the atrioventricular bundle (BUNDLE OF HIS) to the ventricle (HEART VENTRICLE).
Source: MESH OBO (Open Biomedical Ontologies)

Sinoatrial node: The small mass of modified cardiac muscle fibers located at the junction of the superior vena cava (VENA CAVA, SUPERIOR) and right atrium. Contraction impulses probably start in this node, spread over the atrium (HEART ATRIUM) and are then transmitted by the atrioventricular bundle (BUNDLE OF HIS) to the ventricle (HEART VENTRICLE).
Source: MeSH 2007

Sinoatrial node: Related Topics

These medical condition or symptom topics may be relevant to medical information for Sinoatrial node:

Sinoatrial node as an Organ

Sinoatrial node (organ): The sinoatrial node is a part of the electrical conduction system of...more »

Sinoatrial node (organ): See Sinoatrial node (organ information).

More information on organs: Sinoatrial node:

Terms associated with Sinoatrial node:

Terms Similar to Sinoatrial node:

Source - WordNet 2.1

Source - MeSH OBO (Open Biomedical Ontologies)

Source - MeSH 2007

Broader terms for Sinoatrial node

Source - MeSH 2007

Source - WordNet 2.1

The following terms can be used for Sinoatrial node

Source: CRISP

Hierarchical classifications of Sinoatrial node

The following list attempts to classify Sinoatrial node into categories where each line is subset of the next.

WordNet 2.1

Source: WordNet 2.1

MeSH 2007 Hierarchy:

MESH - OBO (Open Biomedical Ontologies)

Interesting Medical Articles:

Medical dictionaries:

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