• We report two cases of posterior pituitary astrocytomas in middle-aged women presenting as focal lesions of the neurohypophysis. (ajnr.org)
  • The neurohypophysis, or posterior pituitary, is an inferior extension of the hypothalamus, which descends to lie in close proximity to the anterior pituitary. (ajnr.org)
  • The posterior pituitary, being part of the neurohypophysis, harbors specialized glial cells named "pituicytes. (ajnr.org)
  • Pituicytoma, granular cell tumor of the neurohypophysis, and spindle cell oncocytoma are nonneuroendocrine tumors arising in the posterior pituitary and occur much less frequently than pituitary adenomas. (medscape.com)
  • The normal hyperintensity of the neurohypophysis was not detected in the posterior pituitary lobe. (ajronline.org)
  • Neurohypophysis or posterior pituitary are part of a group of glandular cells between broad capillary blood vessels. (healthbeautyidea.com)
  • In this section of the neurohypophysis, or posterior pituitary there are two main hormones, namely oxytocin and vasopressin. (healthbeautyidea.com)
  • The posterior pituitary (also referred to as neurohypophysis) is the part of the pituitary gland that is non-glandular and an extension of the hypothalamus as opposed to the anterior pituitary (also called adenohypophysis) that is glandular and comprised of various cells that produce and secrete hormone s. (biologyonline.com)
  • Definition noun, plural: Herring bodies The neurosecretory terminal of the axons from the hypothalamus and located in the neurohypophysis, involved in the storage of neurohypophysial hormones Supplement A Herring body refers to any of the several neurosecretory bodies located in the posterior pituitary. (biologyonline.com)
  • The posterior pituitary (also referred to as neurohypophysis) is the part of. (biologyonline.com)
  • Posterior pituitary (neurohypophysis) ________ _________________________________________________________________ 8. (slideserve.com)
  • Hormones secreted by neurohypophysis (posterior pituitary). (medscape.com)
  • The pituitary gland is entirely ectodermal in origin but is composed of 2 functionally distinct structures that differ in embryologic development and anatomy: the adenohypophysis (anterior pituitary) and the neurohypophysis (posterior pituitary). (medscape.com)
  • In contrast, the posterior pituitary (neurohypophysis) comprises axons originating from neuronal cell bodies located in the hypothalamus. (msdmanuals.com)
  • The two most important products of the neurohypophysis are the hormones vasopressin and oxytocin. (endocrinesurgeon.co.uk)
  • Both of these DI forms are caused by vasopressin deficiencies, not by a defect in the neurohypophysis or kidneys. (logicalimages.com)
  • This is the back of the neurohypophysis where oxytocin and vasopressin store. (healthbeautyidea.com)
  • Along with its carrier protein, neurophysin 2, vasopressin is packaged into neurosecretory vesicles and transported axonally to the nerve endings in the neurohypophysis where it is either stored or secreted into the bloodstream. (sysy.com)
  • Etiologies of diabetes insipidus include deficiency of ANTIDIURETIC HORMONE (also known as ADH or VASOPRESSIN) secreted by the NEUROHYPOPHYSIS, impaired KIDNEY response to ADH, and impaired hypothalamic regulation of thirst. (bvsalud.org)
  • These hypothalamic cell bodies produce hormones that undergo axonal transport through the pituitary stalk and into terminal axons within the neurohypophysis. (medscape.com)
  • The cellular composition of the neurohypophysis is that of specialized glial cells (pituicytes) together with their axons. (ajnr.org)
  • in contrast, the neurohypophysis develops from the infundibulum, which is a downward extension of neural ectoderm from the floor of the diencephalon (see the image below). (medscape.com)
  • and the pars intermedia, which secretes β-endorphin, melanotropins, and other regulators but is sometimes considered to be part of the neurohypophysis (q.v.). Called also anterior pituitary , anterior lobe of hypophysis , and lobus anterior hypophyseos [TA alternative]. (en-academic.com)
  • neurohypophysis is formed by development of pars nervosa, infundibular stem, and median eminence. (medscape.com)
  • The neurohypophysis develops from the differentiation of neural ectoderm into the pars nervosa, the infundibular stem, and the median eminence. (medscape.com)
  • Neurophysin is bound to the hormone, forming a complex, and then stored as a single protein in the neurohypophysis. (biologyonline.com)
  • They are modified glial cells of empendymal cell lineage located in the neurohypophysis and pituitary stalk. (ajnr.org)
  • The neurohypophysis, however, is a common site for metastases. (medscape.com)
  • Comparatively, primary tumors of the neurohypophysis are rare. (medscape.com)
  • Comparatively, primary tumors of the neurohypophysis are rare. (medscape.com)
  • Rare tumors of the neurohypophysis]. (nih.gov)
  • Clinical features were consistent with JBTS already from infancy, yet the syndrome was not suspected before cerebral MRI later in childhood showed the characteristic molar tooth sign and ectopic neurohypophysis. (biomedcentral.com)
  • We describe for the first time ectopic neurohypophysis and SUDEP in JBTS23, expanding the phenotype of this condition and raising the attention on the possible severity of the epilepsy in this disease. (biomedcentral.com)
  • Background and Aims Pituitary stalk interruption syndrome (PSIS) is characterized by the presence of a thin or absent pituitary stalk in association with a hypoplastic or aplastic anterior pituitary or an ectopic neurohypophysis [1,2]. (jams.pub)
  • MRI examination indicated anterior pituitary hypoplasia, absence of pituitary stalk and ectopic neurohypophysis. (jams.pub)
  • The posterior lobe, the neurohypophysis, produces and secretes 2 hormones: antidiuretic hormone and oxytocin. (medscape.com)
  • It releases AVP from the PVN and the supraoptic nucleus (SON) and oxytocin (OXT) from the PVN via the neurohypophysis into the bloodstream. (nih.gov)
  • Peter Schmidt , Ingrid Haider , Serge Weis , Gottfried Brem & Erwin Dahme , «Morphometry of the pituitary gland of growth hormone-transgenic mice», Acta Stereologica [En ligne], Volume 13 (1994), Number 1 - Proceedings of the sixth European congress for stereology - Part two - May 1994, 15-20 URL : https://popups.ulg.ac.be/0351-580x/index.php?id=923. (ac.be)
  • Neural tissue of the pituitary gland, also known as the neurohypophysis. (nih.gov)
  • neurohypophysis is formed by development of pars nervosa, infundibular stem, and median eminence. (medscape.com)
  • The neurohypophysis develops from the differentiation of neural ectoderm into the pars nervosa, the infundibular stem, and the median eminence. (medscape.com)
  • Pituitary MRI showed anterior pituitary hypoplasia, absence of the pituitary stalk and neurohypophysis. (jams.pub)
  • Pituicytoma, granular cell tumor of the neurohypophysis, and spindle cell oncocytoma are nonneuroendocrine tumors arising in the posterior pituitary and occur much less frequently than pituitary adenomas. (medscape.com)
  • 1. Granular cell tumour of the neurohypophysis: a rare sellar tumour with specific radiological and operative features. (nih.gov)
  • 2. Atypical granular cell tumor of the neurohypophysis: a case report with review of the literature. (nih.gov)
  • 8. Granular cell tumor of the neurohypophysis: a single-institution experience. (nih.gov)
  • 9. MR imaging findings in granular cell tumor of the neurohypophysis: a difficult preoperative diagnosis. (nih.gov)
  • 10. Granular cell tumour of the neurohypophysis on cytological squash preparations. (nih.gov)
  • 13. [Granular cell tumor of the neurohypophysis observed with hypoglycemic attack]. (nih.gov)
  • 15. Granular cell tumor of the neurohypophysis: case report and review of the literature. (nih.gov)
  • 20. Sellar and Suprasellar Granular Cell Tumor of Neurohypophysis. (nih.gov)
  • Kiss1 neurons appeared in the NLT and innervated the neurohypophysis of prespawning males and females, reaching Lh gonadotropes in the proximal pars distalis. (ifremer.fr)
  • in contrast, the neurohypophysis develops from the infundibulum, which is a downward extension of neural ectoderm from the floor of the diencephalon (see the image below). (medscape.com)
  • Unlike in males, only preovulatory females had massive NLT-neurohypophysis staining of kiss2. (ifremer.fr)
  • Together, the 3 structures form a functional and anatomical unit: the neurohypophysis. (endotext.org)