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sa node

 

Definitions from WordNet

Noun sa node has 1 sense
  1. pacemaker, cardiac pacemaker, sinoatrial node, SA node - a specialized bit of heart tissue that controls the heartbeat
    --1 is a kind of cardiac muscle, heart muscle

Definitions from the Web

Sinoatrial Node (SA Node)

The sinoatrial node (SA node) is a specialized group of cells located in the right atrium of the heart. It serves as the natural pacemaker, initiating and regulating the electrical impulses that control the heartbeat.

Senses and Usages:

1. Noun - Medical

In medical terms, the SA node refers to the primary pacemaker of the heart responsible for initiating the electrical impulses to regulate the heartbeat.

Example Sentence: The malfunction of the SA node can lead to irregular heart rhythms.

2. Noun - Anatomy

Anatomically, the SA node refers to the collection of cells situated in the right atrium of the heart, which control the generation and conduction of electrical signals in cardiac tissues.

Example Sentence: The electrical signals generated by the SA node cause the atria to contract and pump blood into the ventricles.

3. Adjective - Popular

Popularly, "SA node" is an adjective used to describe something that is widely known or favored by a large number of people.

Example Sentence: The singer's latest album is an SA node hit, with millions of fans eagerly waiting for its release.

4. Adjective - Local

In a local context, "SA node" can be used as an adjective to describe something specific to or related to a particular community or area.

Example Sentence: We need to celebrate our local traditions and preserve our SA node customs.

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