How Do You Spell MUSCULUS SPHINCTER ANI INTERNUS?

Pronunciation: [mˈʌskjʊləs sfˈɪŋktəɹ ˈanɪ ˌɪntənˈʌs] (IPA)

The term "Musculus Sphincter Ani internus" refers to the internal anal sphincter muscle located in the anus. The spelling of this word can be explained using IPA phonetic transcription as [ˈmʌskjᵿləs ˈsfɪŋktər ˈɑːnaɪ ɪnˈtɜːnəs], where "musk-yoo-luss" represents the pronunciation of "Musculus." "Sphincter" is pronounced with a "sph" sound, and "Ani" is pronounced as "an-eye." The word "internus" is pronounced with emphasis on the second syllable and is represented by the phonetic symbols [ɪnˈtɜːnəs]. The correct spelling of this word is important in the medical field to ensure accurate

MUSCULUS SPHINCTER ANI INTERNUS Meaning and Definition

1. Musculus Sphincter Ani internus is a Latin medical term commonly known as the internal anal sphincter muscle. It refers to a ring-like band of smooth muscle fibers located in the region of the anus, specifically within the wall of the rectum near the junction with the anal canal.

   The internal anal sphincter muscle is an involuntary muscle, meaning it functions involuntarily and is not under conscious control. Its primary purpose is to regulate the passage of feces by maintaining a state of constriction or contraction at rest, thus preventing involuntary leakage or incontinence. This muscle remains in a state of continuous contraction, ensuring that the anal canal stays closed and maintaining control over the release of stool.

   While the internal anal sphincter muscle is innervated by the autonomic nervous system, it can also respond to certain external stimuli and reflexes. Its function can be influenced by factors such as the act of defecation, or by pathological conditions such as hemorrhoids, in which case the muscle may promote increased constriction resulting in discomfort or difficulty during bowel movements.

   In summary, the Musculus Sphincter Ani internus, or internal anal sphincter muscle, is an involuntary ring-like band of smooth muscle fibers located within the rectal wall near the anus. Its primary function is to regulate the passage of feces by maintaining a continuous state of constriction, preventing involuntary leakage and providing control over bowel movements.

2. A muscular ring, formed by an increase of the circular fibers of the rectum, situated at the upper end of the anal canal.

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

Common Misspellings for MUSCULUS SPHINCTER ANI INTERNUS

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