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The anterior pituitary (also called the adenohypophysis or pars anterior) is a major organ of the endocrine system.The anterior pituitary is the glandular, anterior lobe that together with the (posterior pituitary, or the neurohypophysis) makes up the pituitary gland (hypophysis) which, in humans, is located at the base of the brain, protruding off the bottom of the hypothalamus.
A chromophobe is a histological structure that does not stain readily, and thus appears relatively pale under the microscope.. Chromophobe cells are one of three cell stain types present in the anterior and intermediate lobes of the pituitary gland, the others being basophils and acidophils.
Chronic pain continues past normal healing times and therefore does not have the same function as acute pain, which is to signal that there is a threat so the body can avoid future danger. [3] [4] Chronic pain is considered a syndrome because of the associated symptoms that develop in those experiencing this disorder. [5]
The anterior lobe of the pituitary can be divided into the pars tuberalis (pars infundibularis) and pars distalis (pars glandularis) that constitutes ~80% of the gland. The pars intermedia (the intermediate lobe) lies between the pars distalis and the pars tuberalis, and is rudimentary in the human, although in other species it is more ...
Complex regional pain syndrome (CRPS Type 1 and Type 2), sometimes referred to by the hyponyms Reflex Sympathetic Dystrophy (RSD) or Reflex Neurovascular Dystrophy (RND), is a rare and severe form of neuroinflammatory and dysautonomic disorder causing chronic pain, neurovascular, and neuropathic symptoms.
The pars intermedia is one of the three parts of the anterior pituitary. It is a section of tissue sometimes called a middle or intermediate lobe, between the pars distalis, and the posterior pituitary. [1] It is a small region that is largely without blood supply. [2] The cells in the pars intermedia are large and pale.
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In Erdheim–Chester disease, cells of the immune system called histiocytes proliferate at an abnormal rate causing a plethora of symptoms and, in more severe cases, death. The disruption of the hypophyseal portal system has been implicated as the mechanism for several symptoms involving the central nervous symptom, most notably diabetes insipidus.