| neuroectodermal tumour, primitive | A malignant brain tumour sharing common features and biologic properties with medulloblastoma. Some pathologists and clinicians use the terms interchangeably: they both can disseminate throughout the nervous system and, in some cases, systemically. most lesions arise from the posterior fossa in children under five years of age. The tumour often produces hydrocephalus and symptoms of increased intracranial pressure. Papilledema is often present. (12 Dec 1998) |
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| neuroectodermal tumours | Malignant neoplasms arising in the neuroectoderm, the portion of the ectoderm of the early embryo that gives rise to the central and peripheral nervous systems, including some glial cells. (12 Dec 1998) |
| neuroectomy | Excision of a segment of a nerve. Synonym: neuroectomy. Origin: neur-+ G. Ektome, excision (05 Mar 2000) |
| neuroeffector junction | The synapse between a neuron (presynaptic) and an effector cell other than another neuron (postsynaptic). Neuroeffector junctions include synapses onto muscles and onto secretory cells. (12 Dec 1998) |
| neuroencephalomyelopathy | Disease of the brain, spinal cord, and nerves. (05 Mar 2000) |
| neuroendocrine | 1. Pertaining to the anatomical and functional relationships between the nervous system and the endocrine apparatus. 2. Descriptive of cells that release a hormone into the circulating blood in response to a neural stimulus. Such cells may comprise a peripheral endocrine gland (e.g., the insulin-secreting beta cells of the islets of Langerhans in the pancreas and the adrenaline-secreting chromaffin cells of the adrenal medulla); others are neurons in the brain (e.g., the neurons of the supraoptic nucleus that release antidiuretic hormone from their axon terminals in the posterior lobe of the hypophysis). (05 Mar 2000) |
| neuroendocrine cell | <endocrinology> A hormone secreted by specialised neurons (neuroendocrine cells), for example releasing hormones. (18 Nov 1997) |
| neuroendocrine transducer cell | An endocrine cell that releases its hormonal product into the bloodstream only upon receipt of a nervous impulse. (05 Mar 2000) |
| neuroendocrine tumours | Tumours whose cells possess secretory granules and originate from the neuroectoderm, i.e., the cells of the ectoblast or epiblast that program the neuroendocrine system. Common properties across most neuroendocrine tumours include ectopic hormone production (often via apud cells), the presence of tumour-associated antigens, and isozyme composition. (12 Dec 1998) |
| neuroendocrinology | The study of the anatomical and functional relationships between the nervous system and the endocrine system. (12 Dec 1998) |
| neuroepithelial | Relating to the neuroepithelium. (05 Mar 2000) |
| neuroepithelial body | A corpuscular aggregate of nonciliated cells containing neurosecretory substance found in normal bronchial epithelium. (05 Mar 2000) |
| neuroepithelial cells | neuroectoderm |
| neuroepithelial layer of retina | The outermost layer of the cerebral layer of retina, composed of the primary receptor cells of the retina; the stratum consists of two sublayers: 1) an external layer made up of the rods and cones, the photosensitive processes of the receptor cells, and 2) the external nuclear layer containing the cell bodies of these cells; the external limiting membrane forms a perforated supporting plate between the two sublayers; the name refers to the fact that the retinal receptor cells are a specialised form of (epithelial) ependyma cell and thus, in a sense, are comparable to the neuroepithelial cells (e.g., hair cells) of other sense organs. Synonym: external nuclear layer of retina, stratum neuroepitheliale retinae, stratum nucleare externum retinae. (05 Mar 2000) |
| neuroepithelium | <embryology> Ectoderm on the dorsal surface of the early vertebrate embryo that gives rise to the cells (neurons and glia) of the nervous system. Synonym: neural plate. (04 Mar 1998) |
Synonyms : Neuroendocrine Tumor, Tumor, Neuroendocrine, Tumors, Neuroendocrine
Synonyms :
Synonyms : Neuroendoscope
Synonyms : Neuroendoscopies
Synonyms : Bodies, Neuroepithelial, Body, Neuroepithelial, Neuroepithelial Body
| neurology |
the branch of medical science that deals with the nervous system (neurology) the branch of medicine that deals with the nervous system and its disorders
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| neurolysin |
neurotoxin: any toxin that affects neural tissues
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| neuroma |
any tumor derived from cells of the nervous system
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| neuromuscular |
affecting or characteristic of both neural and muscular tissue
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| neuromuscular blocking agent |
a substance that interferes with the neural transmission between motor neurons and skeletal muscles
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| neuro | of or concerned with neurophysiology |
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| neuro | the branch of neuroscience that studies the physiology of the nervous system |
| neuro | of or relating to neuropsychiatry |
| neuro | the branch of medicine dealing with mental disorders attributable to diseases of the nervous system |
| neuro | of or concerned with neuropsychology |
| neuro | the branch of psychology that is concerned with the physiological bases of psychological processes |
| neuro | an order of insects including: lacewings |
| neuro | insect having biting mouthparts and four large membranous wings with netlike veins |
| neuro | insect having biting mouthparts and four large membranous wings with netlike veins |
| neuro | insect having biting mouthparts and four large membranous wings with netlike veins |
| neuro | a malignant neoplasm of nerve tissue and fibrous tissue and connective tissue |
| neuro | the scientific study of the nervous system |
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