How Do You Spell ANTERIOR MARGINAL BUNDLE?

Pronunciation: [antˈi͡əɹɪə mˈɑːd͡ʒɪnə͡l bˈʌndə͡l] (IPA)

The term "anterior marginal bundle" refers to a group of nerve fibers located in the heart. The spelling of the word can be explained with the IPA phonetic transcription: /ænˈtɪriər/ for "anterior," which is pronounced as "an-TEE-ree-er" and /ˈmɑːdʒɪnəl/ for "marginal," which is pronounced as "MAR-jin-al." Finally, /ˈbʌndl/ for "bundle" is pronounced as "BUN-dl." Knowing the IPA phonetic transcription can help properly pronounce scientific terms without any guessing.

ANTERIOR MARGINAL BUNDLE Meaning and Definition

1. The term "anterior marginal bundle" refers to a specific anatomical structure found in the human heart. It is a bundle of specialized muscle fibers located within the interventricular septum, which is the wall that separates the two lower chambers of the heart, known as the ventricles.

   The anterior marginal bundle originates from the lower part of the right branch of the atrioventricular bundle, also known as the bundle of His. It travels along the anterior portion of the right ventricle, running parallel to the anterior descending branch of the left coronary artery. It receives blood supply from the anterior interventricular artery, a major artery that originates from the left coronary artery.

   Functionally, the anterior marginal bundle plays a crucial role in the electrical conduction system of the heart. It conducts electrical impulses, known as action potentials, from the atrioventricular bundle to the muscles of the anterior portion of the right ventricle. These impulses regulate the coordinated contractions of the heart muscle, allowing for efficient pumping of blood throughout the body.

   Understanding the anatomy and function of the anterior marginal bundle is important in cardiology and cardiac surgery, as abnormalities in this structure can lead to heart rhythm disorders, such as bundle branch blocks or fascicular block.

2. Marchi's bundle.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

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