PARS NERVOSA Meaning and
Definition
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The term "pars nervosa" refers to a specific region within the posterior lobe of the pituitary gland, also known as the neurohypophysis. It is an important part of the endocrine system and plays a crucial role in the production and regulation of certain hormones.
In terms of anatomical location, the pars nervosa is situated towards the back of the pituitary gland, adjacent to the median eminence and the infundibular stalk. Its distinct structure and composition differentiate it from the anterior lobe of the pituitary gland, known as the adenohypophysis.
The primary function of the pars nervosa is to store and release two key hormones produced by the hypothalamus: vasopressin, also known as antidiuretic hormone (ADH), and oxytocin. Vasopressin is involved in controlling water balance in the body and regulates blood pressure by constricting blood vessels, while oxytocin is primarily associated with uterine contraction during labor and childbirth, as well as milk letdown during breastfeeding.
The release of these hormones occurs through a series of neurosecretory cells located within the pars nervosa, which are known as Herring bodies. These cells receive input from the hypothalamus via long extensions called axons, which transmit electrical signals and hormones to the pars nervosa for storage and subsequent secretion into the bloodstream.
Overall, the pars nervosa of the pituitary gland serves as an essential component of the neuroendocrine system, playing a crucial role in various physiological processes through the release of vasopressin and oxytocin.
Common Misspellings for PARS NERVOSA
- oars nervosa
- lars nervosa
- -ars nervosa
- 0ars nervosa
- pzrs nervosa
- psrs nervosa
- pwrs nervosa
- pqrs nervosa
- paes nervosa
- pads nervosa
- pafs nervosa
- pats nervosa
- pa5s nervosa
- pa4s nervosa
- para nervosa
- parz nervosa
- parx nervosa
- pard nervosa
- pare nervosa
Etymology of PARS NERVOSA
The word "pars nervosa" has Latin origins. "Pars" translates to "part" or "portion", and "nervosa" translates to "nervous". In the context of anatomy, "pars nervosa" refers to the nervous portion or part of certain structures, such as the pituitary gland.
Similar spelling word for PARS NERVOSA
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