• It contains the anterior and posterior intercavernous sinuses. (wikipedia.org)
  • Synthesizes neuropeptides ADH and oxytocin which are transported via supraopticohypophyseal tract to Posterior pituitary and stored there. (epomedicine.com)
  • The hormones are stored in neurosecretory vesicles (Herring bodies) before being released by the posterior pituitary into the bloodstream. (sabkuchonline.pk)
  • Two hormones stored by posterior pituitary and are secreted by hypothalamus. (sabkuchonline.pk)
  • Meanwhile, basophils were primarily localized at the most anterior & posterior parts of the cone. (openveterinaryjournal.com)
  • anterior hypophysis cerebri (adenohypophysis) derives from oral ectoderm, and posterior hypophysis cerebri (neurohypophysis) derives from neural ectoderm that anatomically linked but functionally different ( Getty, 1975 ). (openveterinaryjournal.com)
  • Summary: Astrocytoma, or pituicytoma, of the posterior pituitary is a relatively rare entity consisting of poorly characterized glial tumor cells. (ajnr.org)
  • We report two cases of posterior pituitary astrocytomas in middle-aged women presenting as focal lesions of the neurohypophysis. (ajnr.org)
  • A review of the literature reveals only a few reports of this tumor, and there has been scanty discussion of the imaging findings of posterior pituitary astrocytomas compared with lesions of the anterior pituitary gland. (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)
  • Although the anterior lobe completely loses its connections with the primitive nasopharynx, the posterior lobe maintains its relationship with the hypothalamus throughout life. (ajnr.org)
  • On the basis of these facts, it is understandable that the hypophyseal stalk or posterior pituitary can be a host to all the neoplastic processes that originate from the glial cell series. (ajnr.org)
  • On MR imaging, a posterior pituitary mass, isointense on T1-weighted images (T1WI) and hyperintense on T2-weighted images (T2WI), was identified, without significant involvement of the stalk. (ajnr.org)
  • This histology was interpreted as consistent with a posterior pituitary astrocytoma. (ajnr.org)
  • The anterior and posterior lobes constitute 2 distinct parts of the pituitary gland and have distinct embryologic backgrounds. (ajnr.org)
  • The posterior pituitary, being part of the neurohypophysis, harbors specialized glial cells named "pituicytes. (ajnr.org)
  • Efferent to neurohypophysis (posterior pituitary): Axons of supraoptic and paraventricular nuclei of hypothalamus extend upto posterior pituitary (neurohypophysis). (kypho.com)
  • These hormones released from neurons of hypothalamus are transported though the axoplasm of the hypothalamo-hypophyseal tract to neurohypophysis (posterior pituitary). (kypho.com)
  • Finally the hormones circulate in the general bloodstream through the venules of posterior pituitary. (kypho.com)
  • Neurohypophysis or posterior pituitary (neural tissue outgrowth from hypothalamus) c. (howmed.net)
  • The normal hyperintensity of the neurohypophysis was not detected in the posterior pituitary lobe. (ajronline.org)
  • The other part, the posterior pituitary, consists of neural tissue and is essentially an extension of the brain. (pharmaceuticalintelligence.com)
  • As an extension of the brain, the posterior pituitary contains axons from neurons in the hypothalamus. (pharmaceuticalintelligence.com)
  • the important ones for the posterior pituitary are the paraventricular and supraoptic nuclei. (pharmaceuticalintelligence.com)
  • The neurons that extend into the posterior pituitary produce either the hormone arginine vasopressin (abbreviated AVP) or the hormone oxytocin. (pharmaceuticalintelligence.com)
  • The axon terminals abut tiny capillaries in the posterior pituitary. (pharmaceuticalintelligence.com)
  • Unlike the posterior pituitary, the anterior pituitary consists of glandular tissue. (pharmaceuticalintelligence.com)
  • There are 2 unique pituitary lobes in the brain, the former as well as posterior pituitaries. (bainshul.info)
  • The anterior wattle is made up of a cell body called the hypothalamus, while the posterior wattle is composed of cells called the infundibulum. (bainshul.info)
  • The anterior lobe is composed of a cell body called the hypothalamus, while the posterior lobe is comprised of cells called the infundibulum. (sanskrittattoo.info)
  • These hormones are released into the blood in the posterior pituitary. (sciencebeta.com)
  • Releasing hormones (also called releasing factors) are produced in hypothalamic nuclei then transported along axons to either the median eminence or the posterior pituitary, where they are stored and released as needed. (sciencebeta.com)
  • The posterior pituitary gland is responsible for the secretion of oxytocin and anti-diuretic hormone. (simplemed.co.uk)
  • The pituitary gland consists of two parts: the anterior and posterior pituitary glands . (simplemed.co.uk)
  • The posterior pituitary gland itself is not technically a gland as it does not produce the hormones that it secretes . (simplemed.co.uk)
  • The hormones secreted by the posterior pituitary are produced by the hypothalamus . (simplemed.co.uk)
  • The anterior arises from an evagination of oral ectoderm (primitive gut tissue), and the posterior from neuroectoderm (primitive brain tissue). (simplemed.co.uk)
  • The posterior pituitary gland is physically connected to the hypothalamus by the pituitary stalk, which begins embryologically as the infundibulum . (simplemed.co.uk)
  • They are then transported down nerve cell axons to the posterior pituitary, where they are stored. (simplemed.co.uk)
  • They are released from the posterior pituitary into the general circulation when stimulated. (simplemed.co.uk)
  • Because of the anatomy of the pituitary circulation and the sparing of the infundibular circulation (inferior hypophysial arteries), the posterior pituitary is infrequently affected by pituitary apoplexy. (pediagenosis.com)
  • This specialized transportation mechanism ensures that the hormones produced by the hypothalamus can directly influence the secretion of hormones by the anterior pituitary gland. (proprofs.com)
  • It is well accepted that GABAergic neurons are found in the hypothalamus and recent evidence suggests its secretion within the pituitary itself. (nih.gov)
  • This chapter will outline the anatomical basis for possible influences of GABA on GH secretion and present evidence for a role of GABA in the control of GH release by actions at either hypothalamic or pituitary sites. (nih.gov)
  • The HPA axis is activated in response to real or perceived stressors and culminates in the production and secretion of glucocorticoids by the adrenal glands. (nature.com)
  • The GnRH secreted from the hypothalamus activates specific receptors on the pituitary gland to stimulate the synthesis and secretion of FSH and LH from gonadotropic cells of the pituitary gland. (scielo.br)
  • Dopaminergic projections from arcuate nuclei inhibit prolactin secretion from anterior pituitary. (epomedicine.com)
  • Thyroid-stimulating hormone (thyrotropin) controls the rate of secretion of thyroxine and tri-iodothyronine by the thyroid gland- regulates most intracellular chemical reactions in the body. (sabkuchonline.pk)
  • Prolactin promotes mammary gland development and milk production and influences the secretion of estrogen/progesterone. (sabkuchonline.pk)
  • Hypophysis cerebri is considered the master endocrine gland as it plays a critical role in influencing and controlling the vitality of other endocrine organs via several hormones secretion. (openveterinaryjournal.com)
  • It is considered a master gland because its secretion controls the activity of most other hormone-secreting glands. (openveterinaryjournal.com)
  • Serum testosterone as an index of gonadotrophin secretion in acromegaly and pituitary disease. (uchicago.edu)
  • It also regulates secretion of anterior lobe of pituitary gland. (mpboardguru.com)
  • Thyroid hormones are also involved in a number of other things, like controlling sebaceous and sweat gland secretion, hair follicle growth , and regulating proteins and mucopolysaccharide synthesis by skin fibroblasts. (osmosis.org)
  • It synthesizes and secretes certain neurohormones, called releasing hormones or hypothalamic hormones, and these in turn stimulate or inhibit the secretion of pituitary hormones. (sciencebeta.com)
  • In the hypothalamic-adenohypophyseal axis, releasing hormones, also known as hypophysiotropic or hypothalamic hormones, are released from the median eminence, a prolongation of the hypothalamus, into the hypophyseal portal system, which carries them to the anterior pituitary where they exert their regulatory functions on the secretion of adenohypophyseal hormones. (sciencebeta.com)
  • Also an endocrine gland , releasing hormones that travel in the hypothalamic-hypophyseal portal veins to affect anterior pituitary hormone production and secretion. (everything2.com)
  • The anterior pituitary gland is perfused by its portal venous system, which passes down the hypophyseal stalk. (medscape.com)
  • Some postulate that a gradually enlarging pituitary tumor becomes impacted at the diaphragmatic notch, compressing and distorting the hypophyseal stalk and its vascular supply. (medscape.com)
  • It is functionally connected to the hypothalamus by the median eminence via a small tube called the Pituitary Stalk. (sabkuchonline.pk)
  • The superior hypophyseal artery, a branch of the ICA, can be seen coursing toward the pituitary stalk and gland. (neurosurgicalatlas.com)
  • The imaging study performed before this admission demonstrated a bulky pituitary mass, as well as a bulky stalk with suprasellar extension and attenuated nonhomogenous enhancement. (ajnr.org)
  • They are modified glial cells of empendymal cell lineage located in the neurohypophysis and pituitary stalk. (ajnr.org)
  • High-power view through a dissecting microscope of the hypophysial portal vessels on the anterior surface of the pituitary stalk (left) of an anesthetised rat. (endocrinology-journals.org)
  • The portal vessels (veins) arise from the primary capillary bed on the median eminence (pink area to the left) and fan out over the anterior pituitary gland (right) at the pituitary stalk junction to the right. (endocrinology-journals.org)
  • The tubero-infundibular artery, a branch of the superior hypophysial artery, can be seen arching across the top of the stalk-pituitary junction, where it enters the anterior pituitary gland. (endocrinology-journals.org)
  • It is connected through the pituitary stalk with the hypothalamus. (howmed.net)
  • The stalk was seen at the midline extending a long distance from the hypothalamus to the pituitary gland. (ajronline.org)
  • Because the pituitary gland did not have features suggestive of adenoma on MR imaging, we assumed that the hyperprolactinemia was caused by the traction of the pituitary stalk. (ajronline.org)
  • The sella Turcica is a midline depression in the sphenoid bone which contains the pituitary gland and distal portion of the pituitary stalk. (jrmds.in)
  • Efferent for adenohypophysis (anterior pituitary): Neurons of tuberal nucleus of hypothalamus send axons to infundibulum of pituitary gland. (kypho.com)
  • These substances reach through tuberoinfundibular tract to infundibulum of pituitary gland from hypothalamus. (kypho.com)
  • This projection continues as the infundibulum, terminating inferiorly on the pituitary gland. (medscape.com)
  • Contrast-enhanced coronal T1-weighted spin-echo MR image (TR/TE, 440/11) shows abnormal shape of sella, downward displacement of pituitary gland through defect in basisphenoid ( long arrow ), and stretching and thinning of infundibulum ( short arrow ). (ajronline.org)
  • There is an opening in the center of the diaphragm sellae through which passes the infundibulum, connecting the pituitary gland with the base of the brain. (mhmedical.com)
  • A pea-sized gland anterior to the neurohypophysis, caudal to the hypothalamus, and sits in the medial aspect of the brain: The blood supply of the adenohypophysis is the hypophyseal artery and this gland secretes hormones into the hypophyseal vein. (wordinfo.info)
  • This artery passes through the anterior pituitary gland to supply arterial blood to the neurohypophysis. (endocrinology-journals.org)
  • Through hypophyseal portal system capillaries at both ends the hormone releasing factors and hormone release inhibiting factors reach the adenohypophysis (anterior pituitary) to produce influence on the endocrine cells. (kypho.com)
  • Adenohypophysis or anterior pituitary (develops from Rathke's pouch) b. (howmed.net)
  • This travels in the portal system of the hypothalamus to the anterior pituitary (the adenohypophysis). (endocrinesurgeon.co.uk)
  • Within ovarian reproductive systems, the pituitary also produces prolactin, which stimulates milk production after childbirth, and oxytocin, which stimulates uterine contraction during childbirth and milk let-down during suckling. (openstax.org)
  • Rarely, the pituitary tumor apoplexy may be induced by the administration of a hypothalamic-releasing hormone (e.g., gonadotropin-releasing hormone agonist in a patient with a gonadotropin-secreting adenoma) or by the administration of an agent used to treat the pituitary tumor (e.g., bromocriptine for a prolactin-secreting pituitary tumor). (pediagenosis.com)
  • Hormonal evaluation typically shows complete anterior pituitary failure (including prolactin). (pediagenosis.com)
  • Hyposomatotropism is a deficiency in the release of pituitary growth hormone (somatotropin), resulting in short stature. (medscape.com)
  • Growth hormone (GH) is produced by the anterior pituitary and controls the growth rate of muscle and bone. (openstax.org)
  • Anterior pituitary cells that produce GROWTH HORMONE. (wakehealth.edu)
  • Thus growth hormone is a diabetogenic hormone producing pituitary diabetes (due to overproduction of glucose and decreased utilization). (howmed.net)
  • 8 ] With the descending pattern, blood supply mainly originates from the middle hypophyseal artery (MHA) branched from the superior hypophyseal artery (SHA). (surgicalneurologyint.com)
  • Pituitary apoplexy is characterized by a sudden onset of headache, visual symptoms, altered mental status, and hormonal dysfunction due to acute hemorrhage or infarction of a pituitary gland. (medscape.com)
  • The effects may depend on the site of action within the hypothalamic-pituitary unit and the hormonal milieu. (nih.gov)
  • The hypothalamic-pituitary-adrenal (HPA) axis, a neuroendocrine network that controls hormonal responses to internal and external challenges in an organism's environment, exhibits strikingly sex-biased activity. (nature.com)
  • The hormonal control center of the body can be found at the base of the brain, in a tiny pea-sized structure, called the pituitary gland, and an overlying region, called the hypothalamus. (pharmaceuticalintelligence.com)
  • Click for more info Several approaches for the filtration as well as separation of pituitary hormonal agents have been established. (bainshul.info)
  • The pituitary glands release a number of hormonal agents that control our body's metabolism. (bainshul.info)
  • If one is not getting sufficient development hormonal agent from the pituitary gland, it might result in many different troubles. (bainshul.info)
  • Hypopituitarism is a problem in which the pituitary gland doesn't launch enough hormonal agents. (bainshul.info)
  • The pituitary glands release numerous hormonal agents that regulate our body's metabolism. (sanskrittattoo.info)
  • If one is not obtaining adequate growth hormonal agent from the pituitary gland, it may cause several issues. (sanskrittattoo.info)
  • The anterior pituitary is responsible for the release of a variety of different hormones, dependent on the hormonal signals it receives from the hypothalamus. (simplemed.co.uk)
  • Pituitary is and endocrine gland located within the sella turcica, residing inside the skull. (howmed.net)
  • Diaphragma sellae -This small shelf of the meningeal dura mater covers the hypophysial fossa in the sella turcica of the sphenoid bone. (mhmedical.com)
  • The pituitary gland can be found within the sella turcica (a socket of bone on the base of the skull, meaning 'turkish saddle'), with the hypothalamus sitting above it . (simplemed.co.uk)
  • Larger diameter values were present in skeletal Class III subjects, while smaller diameter sizes were apparent in Class I subjects, so the size of Sella Turcica and pituitary gland play important role to determine the skeletal developmental, classification and occlusion of jaws. (jrmds.in)
  • Its border superiorly by the diaphragma sella, inferiorly by thin floor of cortical bone below which lies the sphenoid sinus, laterally by cavernous sinus, anteriorly by the tuberculum sellae, anterolaterally by the tow anterior clinoid processes. (jrmds.in)
  • The A1 or precommunicating segment of the anterior cerebral artery extends from its origin from the ICA to the anterior communicating artery, a short vessel which connects to the contralateral cerebral artery. (neurosurgicalatlas.com)
  • The A2 or postcommunicating segment of the anterior cerebral artery continues distal to the origin of the anterior communicating artery into the interhemispheric fissure and around the genu of the corpus callosum. (neurosurgicalatlas.com)
  • Diaphragma sellae, that encloses the hypophyseal fossa from the superior side, cushioning the pituitary gland. (wikipedia.org)
  • The pituitary fossa, in which the pituitary gland sits, is situated in the sphenoid bone in the middle cranial fossa at the base of the brain. (sabkuchonline.pk)
  • Frontal lobes have been reflected posteriorly to view the anterior cranial fossa. (neurosurgicalatlas.com)
  • Located in the anterior cranial fossa, the anterior meningeal arteries are branches of the ethmoidal arteries. (mhmedical.com)
  • This is generally the result of sudden hemorrhage and necrosis in the lateral pituitary fossa, leading to the displacement of the oculomotor nerves. (symptoma.com)
  • Pituitary apoplexy stems from an acute expansion of a pituitary adenoma or, less commonly, in a nonadenomatous gland from infarction or hemorrhage. (medscape.com)
  • NCI Thesaurus A rare, potentially life-threatening disorder caused by acute ischemic infarction or hemorrhage in the pituitary gland. (symptoma.com)
  • An existing pituitary adenoma usually is present. (medscape.com)
  • Pituitary apoplexy occurs when a pituitary adenoma either spontaneously hemorrhages or grows in such a way as to compress and cut off its own blood supply, resulting in tumor cell death, bleeding, and acute swelling . (symptoma.com)
  • In this report, we present a 42-year-old man who had been diagnosed of pituitary adenoma presented with a sudden onset of unconsciousness , left hemiplegia and right ptosis. (symptoma.com)
  • Pituitary imaging with magnetic resonance imaging (MRI) is diagnostic and typically shows signs of intra-pituitary or intra-adenoma hemorrhage, fluid-fluid level, and compression of normal pituitary tissue. (pediagenosis.com)
  • Kurisu et al described a 68-year-old man who developed pituitary apoplexy resulting in massive intracerebral hemorrhage and death 1 month later. (medscape.com)
  • [ 3 ] Typical symptomatic pituitary apoplexy occurred in only 0.6% of patients with significant hemorrhagic and necrotic changes in 9.5% of surgical specimens. (medscape.com)
  • [ 2 ] They noted typical symptomatic pituitary apoplexy to occur in only 0.6% of patients with significant hemorrhagic and necrotic changes in 9.5% of surgical specimens. (medscape.com)
  • These gonadal hormones are produced by the hypothalamic-pituitary-gonadal (HPG) axis and have been shown to determine sex differences in adult HPA function after acute stress via their activational and organizational effects. (nature.com)
  • The ability of all mammals to cope with any environmental or homeostatic challenge (i.e., stressor), or with perceptual threats to homeostasis, relies upon activation of a neuroendocrine signaling cascade called the hypothalamic-pituitary-adrenal (HPA) axis. (nature.com)
  • The hypothalamic-pituitary-gonadal (HPG) axis is a key neuroen-docrine regulation system involved in the growth and reproduction of poultry. (scielo.br)
  • In this study, we evaluated the effect of heat stress (HS) on the development of cells secreting major reproductive hormones of the HPG axis (i.e., hypothalamus, pituitary gland, ovary, and testis) of Wenchang chicks. (scielo.br)
  • The hypothalamic-pituitary-gonadal (HPG) axis is an important component of the endocrine system, regulating reproductive functions of the body. (scielo.br)
  • Chimento A, Sirianni R, Casaburi I, Pezzi V. Role of Estrogen Receptors and G Protein-Coupled Estrogen Receptor in Regulation of Hypothalamus-Pituitary-Testis Axis and Spermatogenesis. (scielo.br)
  • Reproduced from Fink G & Smith GC 1971 Ultrastructural features of the developing hypothalamo-hypophysial axis in the rat: a correlative study. (endocrinology-journals.org)
  • [3] In humans and most mammals, the autonomic nervous system and hypothalamic-pituitary-adrenal (HPA) axis are the two major systems that respond to stress. (wikipedia.org)
  • The interaction between the hypothalamus, pituitary, and other endocrine glands is known as the hypothalamic-pituitary-endocrine axis. (pharmaceuticalintelligence.com)
  • The hypothalamus and pituitary gland form a complex functional unit, called the hypothalamic-pituitary axis , that serves as the major link between the endocrine and nervous systems . (simplemed.co.uk)
  • The hypothalamic-pituitary axis has a large number of capillaries in them, called the hypophyseal portal system, which makes it easy for the hormones to be released directly into the bloodstream and allow communication between the hypothalamus and the pituitary gland. (simplemed.co.uk)
  • Middle and anterior cerebral arteries can be seen branching from the internal carotid arteries. (neurosurgicalatlas.com)
  • Middle cerebral arteries traverse the lateral sulcus while anterior cerebral arteries pass between the cerebral hemispheres. (neurosurgicalatlas.com)
  • Anterior meningeal arteries. (mhmedical.com)
  • The blood supply originates from the superior hypophysial arteries, and arrives at the anterior pituitary via the hypothalamo-hypophysial portal system. (endocrinesurgeon.co.uk)
  • The anterior pituitary, as well as the pars intermedia and pars tuberalis, originates from the primitive stomodeum, which ascends cranially to the sell turcica. (ajnr.org)
  • One part, the anterior pituitary, originates from glandular tissue. (pharmaceuticalintelligence.com)
  • Some youngsters who obtained pituitary hGH from NHPP did not get any education and learning concerning the repercussions of this therapy. (bainshul.info)
  • Afferent from thalamus: These are fibers reaching hypothalamus from dorsomedial, anterior and midline nuclei of thalamus. (kypho.com)
  • By synthesizing and secreting neurohormones, the nuclei of the hypothalamus act as a conduit between the nervous and endocrine systems via the pituitary gland (hypophysis), regulating homeostatic functions such as hunger, thirst, body temperature, and circadian rhythms. (medscape.com)
  • The neural elements of the clock are confined to the suprachiasmatic nuclei (SCN) of the anterior hypothalamus, which offers an anatomically-discrete model for studying integrative processes regulating specific aspects of circadian rhythms. (kent.edu)
  • When thyroid hormone levels decrease, the pituitary is stimulated to release TSH. (healthjade.net)
  • Pituitary apoplexy occurs most often in the setting of a preexisting pituitary macroadenoma or cyst, and the hemorrhage may be spontaneous or triggered by head trauma, coagulation disorders (e.g., idiopathic thrombocytopenic purpura), or anticoagulant (e.g., heparin, warfarin) administration. (pediagenosis.com)
  • Endocrine cells of the anterior pituitary secrete a variety of hormones into the bloodstream to act on distant target cells. (simplemed.co.uk)
  • The correct answer is the hypophyseal portal system. (proprofs.com)
  • Produce releasing hormones and inhibitory factors, which pass through hypophyseal-portal veins to reach anterior pituitary gland. (epomedicine.com)
  • Note: The contentious history of the discovery and function of the hypophysial portal vessels is detailed in chapter 2 of Harris' (1955) monograph, to which the interested reader is referred. (endocrinology-journals.org)
  • Popa & Fielding (1930, 1933), who first discovered the hypophysial portal system, posited that the direction of blood flow was centripetal: that is, from the anterior pituitary gland towards the hypothalamus. (endocrinology-journals.org)
  • The direction of portal vessel blood flow (centrifugally from the hypothalamus to the anterior pituitary gland) was ultimately resolved by microscopic visualisation of the vessels in the living anaesthetised rat (Green & Harris 1949). (endocrinology-journals.org)
  • The functional importance of the hypophysial portal vessels involved Harris in a conflict with the influential Sir Solly Zuckerman, who, on the basis of studies in the ferret, challenged the neurohumoral hypothesis of anterior pituitary control. (endocrinology-journals.org)
  • The neurohormones are released into the perivascular space, and from there, they move rapidly into portal vessel blood for transport to the pituitary gland. (endocrinology-journals.org)
  • Mean± s.e.m. concentrations of LHRH (GnRH) in hypophysial portal plasma collected from female rats that were anesthetised with alphaxalone at various stages of the oestrous cycle. (endocrinology-journals.org)
  • Mean± s.e.m. concentrations of LHRH (GnRH) in hypophysial portal plasma and volumes of portal blood collected at various times (indicated at top) on the expected day of pro-oestrus. (endocrinology-journals.org)
  • Anterior pituitary secretions are regulated by the hormones from hypothalamus , acting through the hypothalamic-hypophysial portal system. (howmed.net)
  • Normally, the hypothalamus detects low blood levels of thyroid hormones and releases thyrotropin-releasing hormone, or TRH, into the hypophyseal portal system . (osmosis.org)
  • It is fed by a vascular system, the hypophyseal portal circulation, which lugs hypothalamic hormones to specialized adenohypophyseal cells. (bainshul.info)
  • After their release into the capillaries of the third ventricle, the hypophysiotropic hormones travel through what is known as the hypothalamo-pituitary portal circulation. (sciencebeta.com)
  • The other hormones synthesised in the hypothalamus are transported down axons and stored in the median eminence (a part of the hypothalamus) before being released into the hypophyseal portal system . (simplemed.co.uk)
  • Mohr and Hardy reviewed hospital records of 664 patients who had surgery for pituitary adenomas. (medscape.com)
  • The vascular supply of pituitary adenomas (PA) is not well understood. (surgicalneurologyint.com)
  • Previously, we reported three blood supply patterns (descending, monophasic, and ascending) in nonfunctioning pituitary adenomas (NFPAs) by the time-intensity curve (TIC) analysis using pituitary dynamic magnetic resonance imaging (MRI). (surgicalneurologyint.com)
  • The incidence of pituitary apoplexy ranges from 1 to 20% in surgically verified pituitary adenomas, with a slight male predominance. (symptoma.com)
  • It should be noted that necrosis and hemorrhage within a pituitary tumor occur much more frequently than the clinical syndrome of pituitary apoplexy, especially in silent corticotroph adenomas, in which hemorrhage occurs in more than 50% of the tumors. (pediagenosis.com)
  • A sagittal section through the pituitaries revealed a well-developed cone of glandular cells protruding from the pi like a tongue plate towards the hypophyseal cleft in the neighborhood of the pd and behind the pn. (openveterinaryjournal.com)
  • Once they reach their destination in the anterior pituitary, these hormones bind to specific receptors located on the surface of pituitary cells. (sciencebeta.com)