Definition of neurohypophysis in English:
neurohypophysis
nounPlural neurohypophyses ˌnjʊərəʊhʌɪˈpɒfɪsɪsˌn(y)o͝orōhīˈpäfəsəs
Anatomy The posterior lobe of the hypophysis (pituitary gland), which stores and releases oxytocin and vasopressin produced in the hypothalamus.
Example sentencesExamples
- The neurohypophysis was replaced by fibrotic tissue containing perivascular macrophages and activated microglia, and in the cerebellum, there were large areas of myelin pallor.
- Vasopressin is an endogenous peptide hormone secreted by the neurohypophysis in response to an increase in serum osmolality or a decrease in plasma volume.
- A histologic hallmark of these tumors is the arrangement of spindle cells around blood vessels, a pattern that is very similar to the architecture of the normal neurohypophysis.
- The posterior lobe of the pituitary gland or neurohypophysis contains unique glial elements referred to as pituicytes.
- The neurohypophysis, or posterior pituitary, is derived from an evagination of the infundibular portion of the diencephalon of the brain.