The term "nervus thoracalis anterior" refers to the anterior thoracic nerve which is responsible for providing motor innervation to the chest wall. Its spelling in IPA phonetic transcription is /ˈnɜːvəs θɔːrəˈkeɪlɪs ænˈtɪrɪər/. The first syllable "nerv" is pronounced with a short "e" sound. The second syllable "us" is pronounced with a short "u" sound. "Thoracalis" is pronounced with the accent on the second syllable and "anterior" with the emphasis on the third syllable. Phonetic transcription helps in understanding the correct pronunciation of medical terms.
The nervus thoracalis anterior, also known as the anterior thoracic nerve, is a term used in anatomy to refer to a specific structure within the human body. This nerve is a branch that arises from the anterior rami of the thoracic spinal nerves. It is classified as one of the intercostal nerves located in the thoracic region.
The nervus thoracalis anterior is responsible for innervating various structures in the anterior or front part of the thoracic cavity. It provides sensory innervation to the skin overlying the anterior thorax, including the front and sides of the chest. Additionally, it also sends motor innervation to the muscles located in this area, namely the intercostal muscles.
This nerve plays a crucial role in maintaining the sensory function and motor control of the anterior thoracic region. It allows for the detection of touch, pressure, and pain stimuli on the skin, aiding in the body's perception of its external environment. Moreover, it helps control the movement and contraction of the intercostal muscles, which are vital for the process of respiration.
Overall, the nervus thoracalis anterior is an important anatomical structure involved in the innervation of the front part of the thoracic cavity, ensuring proper sensory perception and motor control in this area of the body.
Anterior thoracic nerve, one of a number of nerves arising from the 5th to 8th cervical, passing forward to be distributed to the pectoralis minor and major muscles.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.