How Do You Spell PRESSOR NERVE?

1. A pressor nerve, also known as a vasopressor nerve, refers to a specialized nerve that is involved in regulating the constriction or narrowing of blood vessels in the body. It is part of the autonomic nervous system, specifically the sympathetic nervous system, which controls involuntary bodily functions.

   The pressor nerve releases chemicals called neurotransmitters, such as norepinephrine, into the bloodstream and stimulates certain smooth muscle cells in the walls of blood vessels. This stimulation causes the blood vessels to constrict or tighten, resulting in an increase in blood pressure.

   The pressor nerve plays a crucial role in maintaining blood pressure within a normal range, as it is responsible for regulating the body's systemic vascular resistance (SVR). By constricting blood vessels, it enables the body to redirect blood to vital organs, increasing blood flow and ensuring proper oxygenation.

   Disorders of the pressor nerve can lead to abnormal blood pressure, such as hypertension or hypotension. Hypertension refers to high blood pressure, which can strain the heart and lead to cardiovascular complications. Conversely, hypotension refers to low blood pressure, which may result in inadequate blood supply to organs and tissues.

   In medical interventions, pressor nerves are sometimes targeted to treat conditions like hypertension. Medications called vasopressors can be administered to stimulate these nerves, promoting blood vessel constriction and raising blood pressure levels.

   Overall, the pressor nerve serves a crucial role in regulating blood pressure and maintaining proper blood flow throughout the body.

2. An afferent n., stimulation of which excites a reflex vasoconstriction thereby raising the blood pressure.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for PRESSOR NERVE

The word "pressor nerve" is a medical term that refers to a nerve that stimulates the constriction or narrowing of blood vessels, thereby increasing blood pressure. The etymology of the term can be traced back to its Latin roots.

The word "pressor" comes from the Latin verb "premere", meaning "to press". The suffix "-or" denotes an agent or doer. Therefore, "pressor" can be understood as "one that presses". It is derived from the Latin noun "pressura", which means "pressure" or "constriction".

The term "nerve" originates from the Latin noun "nervus", which means "sinew" or "tendon". In the context of biology and medicine, it refers to the cord-like structures that transmit signals between different parts of the body.