The term "nervi haemorrhoidales inferiores" is used to refer to the lower nerve fibers that control the muscles of the anal sphincter. The spelling of this word can be tricky due to the use of Latin and medical terminology. The word is pronounced as "ˈnɜːvi ˌhɛməˈrɔɪdəlz ˌɪnfərɪərəz" and can be easily understood using the International Phonetic Alphabet. It's important to note that this term is often used in medical settings and may not be familiar to those outside of the medical field.
Nervi haemorrhoidales inferiores, also known as inferior haemorrhoidal nerves, refers to the peripheral nerves located in the lower region of the anal canal. These nerves are specifically associated with the haemorrhoidal plexus, which is a network of blood vessels in the anal region.
The nervi haemorrhoidales inferiores are responsible for transmitting sensory information from the anal canal to the brain. They play a crucial role in detecting and conveying sensations related to pressure, pain, and temperature that occur within the lower part of the anal canal. This sensory feedback is essential for the proper functioning of the anal sphincter muscles as well as for maintaining continence and regulating bowel movements.
In addition to their sensory functions, these nerves also have a motor component. They innervate the smooth muscles of the anal canal, enabling their contraction or relaxation, which is necessary for the regulation of stool movements and the prevention of incontinence.
Conditions such as haemorrhoids, anal fissures, and other pathologies affecting the lower rectum and anal canal may lead to irritation or damage to the nervi haemorrhoidales inferiores, resulting in various symptoms such as pain, itching, swelling, and bleeding. Proper diagnosis and treatment of these conditions are crucial to ensure the normal functioning of the nervi haemorrhoidales inferiores and overall anal health.
Inferior hemorrhoidal nerves, several branches of the pudendal nerve, supplying the sphincter ani and skin of the anal region.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.