Biomaterial Database

[Electromyographic study of human extrinsic laryngeal muscles]. 1995

H Zheng, and Z Li, and S Zhou

Changhai Hospital, Second Military Medical University.

Seven cases of human extrinsic laryngeal muscles were studied to determine the electrical activities during phonation, coughing, swallowing, fixation of thorax and respiration. The activities of these muscles all fired during phonation which were synchronous with discharge of the thyroarytenoid muscle (TAM) and increased with increasing volume of voice. They also fired during cough reflex and sphincteric action of larynx, and were basically synchronous with the TAM. They were weak during normal respiration. Although stronger electrical activities were recorded during inspiration in dyspnea, they were weaker than discharge during phonation, cough reflex and sphincteric action of larynx.

UI	MeSH Term	Description	Entries
D007821	Laryngeal Muscles	The striated muscle groups which move the LARYNX as a whole or its parts, such as altering tension of the VOCAL CORDS, or size of the slit (RIMA GLOTTIDIS).	Cricothyroid Muscles,Aryepiglottic Muscle,Arytenoid Muscle,Cricoarytenoid Muscles,Thyroarytenoid Muscles,Thyroepiglottic Muscle,Vocal Muscle,Vocalis Muscle,Aryepiglottic Muscles,Arytenoid Muscles,Cricoarytenoid Muscle,Cricothyroid Muscle,Laryngeal Muscle,Muscle, Aryepiglottic,Muscle, Arytenoid,Muscle, Cricoarytenoid,Muscle, Cricothyroid,Muscle, Laryngeal,Muscle, Thyroarytenoid,Muscle, Thyroepiglottic,Muscle, Vocal,Muscle, Vocalis,Muscles, Aryepiglottic,Muscles, Arytenoid,Muscles, Cricoarytenoid,Muscles, Cricothyroid,Muscles, Laryngeal,Muscles, Thyroarytenoid,Muscles, Thyroepiglottic,Muscles, Vocal,Muscles, Vocalis,Thyroarytenoid Muscle,Thyroepiglottic Muscles,Vocal Muscles,Vocalis Muscles
D008297	Male		Males
D008875	Middle Aged	An adult aged 45 - 64 years.	Middle Age
D004576	Electromyography	Recording of the changes in electric potential of muscle by means of surface or needle electrodes.	Electromyogram,Surface Electromyography,Electromyograms,Electromyographies,Electromyographies, Surface,Electromyography, Surface,Surface Electromyographies
D005260	Female		Females
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328	Adult	A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available.	Adults
D014826	Vocal Cord Paralysis	Congenital or acquired paralysis of one or both VOCAL CORDS. This condition is caused by defects in the CENTRAL NERVOUS SYSTEM, the VAGUS NERVE and branches of LARYNGEAL NERVES. Common symptoms are VOICE DISORDERS including HOARSENESS or APHONIA.	Laryngeal Nerve Palsy, Recurrent,Laryngeal Paralysis,Acquired Vocal Cord Palsy,Bilateral Vocal Cord Paresis,Congenital Vocal Cord Palsy,Paralysis, Unilateral, Vocal Cord,Paralysis, Vocal Cord, Unilateral,Partial Paralysis (Paresis) Vocal Cords,Recurrent Laryngeal Nerve Palsy,Total Vocal Cord Paralysis,Unilateral Paralysis, Vocal Cord,Unilateral Vocal Cord Paralysis,Unilateral Vocal Cord Paresis,Vocal Cord Palsy,Vocal Cord Palsy, Congenital,Vocal Cord Paralysis, Unilateral,Vocal Cord Paresis,Vocal Fold Palsy,Laryngeal Paralyses,Palsies, Vocal Cord,Palsies, Vocal Fold,Palsy, Vocal Cord,Palsy, Vocal Fold,Paralyses, Laryngeal,Paralyses, Vocal Cord,Paralysis, Laryngeal,Paralysis, Vocal Cord,Pareses, Vocal Cord,Paresis, Vocal Cord,Vocal Cord Palsies,Vocal Cord Paralyses,Vocal Cord Pareses,Vocal Fold Palsies