The word "sternothyroideus" may look intimidating, but its spelling can be explained through the International Phonetic Alphabet (IPA). It is pronounced as /stɜrnəʊθraɪˈɪdɪəs/, with emphasis on the second syllable. The "eu" in "thyroideus" is pronounced as /ju:/, while the "deus" at the end is pronounced as /diːəs/. This muscle is located in the neck and connects the sternum and thyroid cartilage. Proper spelling of complex words like "sternothyroideus" can showcase the importance of precise communication in the medical profession.
The sternothyroideus is a neck muscle that is part of the human anatomy. It is located in the front of the neck, specifically in the region known as the suprahyoid muscles. The sternothyroideus muscle is one of the strap muscles, along with the sternohyoideus and omohyoideus muscles.
The sternothyroideus muscle arises from the posterior surface of the manubrium of the sternum, just below the origin of the sternohyoideus muscle. From there, it ascends vertically upwards and attaches to the oblique line on the lamina of the thyroid cartilage. Its fibers are parallel to the midline of the neck.
The primary function of the sternothyroideus muscle is to depress the larynx or voice box. It works in conjunction with other muscles to regulate the position and tension of the vocal cords, which is vital for speech production and swallowing.
The sternothyroideus muscle is innervated by the ansa cervicalis, a nerve loop formed by fibers from the first three cervical spinal nerves. This nerve provides the necessary motor innervation to the muscle, allowing it to contract and perform its functions.
In summary, the sternothyroideus muscle is a neck muscle that has an important role in controlling the movement and position of the larynx and vocal cords. Its innervation is provided by the ansa cervicalis, and it is part of the suprahyoid muscles group.
See under musculus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "sternothyroideus" comes from the combination of two Latin words:
1. "Sternum" - This Latin word refers to the breastbone or sternum, which is a flat bone located in the center of the chest. It derives from the Proto-Indo-European root *ster- which means "to spread, extend".
2. "Thyroideus" - This Latin word is derived from the Greek word "thyreoeidēs" (θυρεοειδής) meaning "shield-shaped". It is related to the word "thyreos" (θυρεός), which means "large shield". In anatomical terms, "thyroideus" refers to the thyroid gland, a butterfly-shaped gland located in the neck.