Pronunciation: [nˈɜːvəs spˈɪnɒsəs] (IPA) 
The spelling of "nervus spinosus" can be a bit tricky due to its Latin origin. The correct pronunciation is /ˈnɛrvʊs ˈspaɪnəsəs/. The "e" in "nervus" is pronounced like "eh" in "bet", and the "u" is pronounced like "oo" in "boot". The "o" in "spinosus" is pronounced like "oh" in "go", and the "u" is pronounced like "oo" in "boot". The "s" at the end of both words is pronounced like "s" in "see".
Nervus spinosus is a Latin term used in anatomy and neuroscience to refer to the spinal nerve. It is commonly associated with the network of nerves originating from the spinal cord that connects various parts of the body with the central nervous system.
The nervus spinosus is derived from the merging of ventral and dorsal rootlets that emerge from the spinal cord. These rootlets combine to form a single nerve on each side of the spinal cord. The nervous system is divided into different regions, and each region is associated with a specific section of the spinal cord. These regions are called cervical, thoracic, lumbar, and sacral, based on their respective location along the spinal column. Correspondingly, the nervus spinosus is classified accordingly as cervical spinal nerve, thoracic spinal nerve, lumbar spinal nerve, or sacral spinal nerve.
The primary function of the nervus spinosus is to transmit sensory and motor signals between different parts of the body and the spinal cord. Sensory signals are carried from the periphery (such as the skin, muscles, and organs) to the spinal cord and eventually to the brain, allowing for the perception of various sensations. Conversely, motor signals are sent from the brain to the spinal cord and then to muscles, enabling voluntary and involuntary movements.
In summary, the nervus spinosus is a vital component of the peripheral nervous system, playing a crucial role in the transmission of sensory and motor information between the spinal cord and different regions of the body.
Spinous nerve, recurrent nerve, a branch of the mandibular, entering the skull by the foramen spinosum to supply the dura mater.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "nervus spinosus" is derived from Latin. Here's the breakdown of its etymology:
1. Nervus: This Latin word means "nerve". It is derived from the Proto-Indo-European root "*snē-", which means "to spin". This root reflects the twisted or spun nature of nerves.
2. Spinosus: This Latin word means "spiny" or "thorny". It is derived from the Latin word "spina", which means "thorn" or "spine". The suffix "-osus" in Latin is used to form adjectives and means "full of" or "abounding in", hence indicating spines or thorns.
So, when combined, "nervus spinosus" can be translated to "spiny nerve" or "nerve full of spines".
