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Ependyma
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D004805 |
[A thin membrane that lines the CEREBRAL VENTRICLES and the central canal of the SPINAL CORD.
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Ependymoglial Cells
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D063928 |
[The macroglial cells of EPENDYMA. They are characterized by bipolar cell body shape and processes that contact BASAL LAMINA around blood vessels and/or the PIA MATER and the CEREBRAL VENTRICLES. Muller cells of the RETINA are included based on similar microenvironmental contacts and morphology.
, Specialized ependymal cell that has elongated cell body and processes to the outer surface of the CNS and HYPOTHALAMUS. Found principally in the THIRD VENTRICLE.
, The principal macroglial cells of the RETINA with polygonal cell body shape and having processes that span the full thickness of the retina and contact VITREOUS BODY and the sub-retinal space.
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Ependymoma
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D004806 |
[Glioma derived from EPENDYMOGLIAL CELLS that tend to present as malignant intracranial tumors in children and as benign intraspinal neoplasms in adults. It may arise from any level of the ventricular system or central canal of the spinal cord. Intracranial ependymomas most frequently originate in the FOURTH VENTRICLE and histologically are densely cellular tumors which may contain ependymal tubules and perivascular pseudorosettes. Spinal ependymomas are usually benign papillary or myxopapillary tumors. (From DeVita et al., Principles and Practice of Oncology, 5th ed, p2018; Escourolle et al., Manual of Basic Neuropathology, 2nd ed, pp28-9)
] |
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Ephedra
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D029789 |
[A plant genus of the family Ephedraceae, order Ephedrales, class Gnetopsida, division Gnetophyta.
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Ephedra sinica
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D029790 |
[A plant species of the family Ephedraceae, order Ephedrales, class Gnetopsida, division Gnetophyta. It is a source of EPHEDRINE and other alkaloids.
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Ephedrine
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D004809 |
[A phenethylamine found in EPHEDRA SINICA. PSEUDOEPHEDRINE is an isomer. It is an alpha- and beta-adrenergic agonist that may also enhance release of norepinephrine. It has been used for asthma, heart failure, rhinitis, and urinary incontinence, and for its central nervous system stimulatory effects in the treatment of narcolepsy and depression. It has become less extensively used with the advent of more selective agonists.
] |
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Ephemera
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D019502 |
[Works consisting of transient everyday items, usually printed on paper, that are produced for a specific limited use and then often thrown away. (From Genre Terms: A Thesaurus for Use in Rare Book and Special Collections Cataloguing, 2d ed & The ALA Glossary of Library and Information Science, 1983)
] |
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Ephemeral Fever
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D004810 |
[An Ephemerovirus infection of cattle caused by bovine ephemeral fever virus (EPHEMERAL FEVER VIRUS, BOVINE). It is characterized by respiratory symptoms, increased oropharyngeal secretions and lacrimation, joint pains, tremor, and stiffness.
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Ephemeral Fever Virus, Bovine
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D018115 |
[The type species of EPHEMEROVIRUS causing disease in cattle. Transmission is by hematophagous arthropods and the virus has been isolated from both culicoides and mosquitoes.
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Ephemeroptera
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D065133 |
[An Order of aquatic INSECTS comprising about 2,500 species worldwide. It is the only insect group with two flying stages, each with relatively large forewings. The immature stage called "naiad" or "nymph" lasts one year in fresh water, and the adult stage is shortlived, lasting from a few minutes to a few days, depending on the species. The Ephemeroptera includes mayflies (also called shadflies)
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Ephemerovirus
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D019235 |
[A genus of the family RHABDOVIRIDAE which primarily infect cattle. EPHEMERAL FEVER VIRUS, BOVINE is the type species.
] |
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Ephrin-A1
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D036382 |
[An ephrin that was originally identified as the product of an early response gene induced by TUMOR NECROSIS FACTORS. It is linked to the CELL MEMBRANE via a GLYCOINOSITOL PHOSPHOLIPID MEMBRANE ANCHOR and binds EPHA2 RECEPTOR with high affinity. During embryogenesis high levels of ephrin-A1 are expressed in LUNG; KIDNEY; SALIVARY GLANDS; and INTESTINE.
] |
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Ephrin-A2
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D036383 |
[A GLYCOINOSITOL PHOSPHOLIPID MEMBRANE ANCHOR-containing ephrin with a high affinity for the EPHA3 RECEPTOR. Early in embryogenesis it is expressed at high levels in the MESENCEPHALON; SOMITES; branchial arches, and LIMB BUDS.
] |
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Ephrin-A3
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D036384 |
[A GLYCOINOSITOL PHOSPHOLIPID MEMBRANE ANCHOR containing ephrin with a high affinity for the EPHA3 RECEPTOR; EPHA5 RECEPTOR; EPHA6 RECEPTOR; EPHA7 RECEPTOR; and EPHA8 RECEPTOR. It is found primarily in NERVE TISSUE.
] |
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Ephrin-A4
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D036385 |
[A GLYCOINOSITOL PHOSPHOLIPID MEMBRANE ANCHOR containing ephrin found in variety of adult tissue such as KIDNEY; LUNG; COLON and OVARY. During embryonic development, ephrin-A4 is expressed in the HIPPOCAMPUS and CEREBRAL CORTEX. It binds preferentially to ephA receptors (EPH FAMILY RECEPTORS) with the exception of the EPHA1 RECEPTOR.
] |
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Ephrin-A5
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D036386 |
[A GLYCOINOSITOL PHOSPHOLIPID MEMBRANE ANCHOR containing ephrin found in developing tectum. It has been shown to mediate the bundling of cortical axons and repel the axonal growth of retinal ganglia axons. It is found in a variety of adult tissues of BRAIN; HEART; and KIDNEY.
] |
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Ephrin-B1
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D036387 |
[A transmembrane domain containing ephrin that is specific for EPHB1 RECEPTOR; EPHB2 RECEPTOR and EPHB3 RECEPTOR. It is widely expressed in a variety of developing and adult tissues.
] |
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Ephrin-B2
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D036388 |
[A transmembrane domain containing ephrin that binds with high affinity to EPHB1 RECEPTOR; EPHB3 RECEPTOR; and EPHB4 RECEPTOR. Expression of ephrin-B2 occurs in a variety of adult tissues. During embryogenesis, high levels of ephrin-B2 is seen in the PROSENCEPHALON; RHOMBENCEPHALON; developing SOMITES; LIMB BUD; and bronchial arches.
] |
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Ephrin-B3
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D036389 |
[A transmembrane domain containing ephrin. Although originally found to be specific for the EPHB3 RECEPTOR it has since been shown to bind a variety of EPH FAMILY RECEPTORS. During embryogenesis ephrin-B3 is expressed at high levels in the ventral neural tube. In adult tissues, it is found primarily in the BRAIN and HEART.
] |
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Ephrins
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D036342 |
[Signaling proteins that are ligands for the EPH FAMILY RECEPTORS. They are membrane-bound proteins that are attached to the CELL MEMBRANE either through a GLYCOINOSITOL PHOSPHOLIPID MEMBRANE ANCHOR or through a transmembrane domain. Many of the ephrins are considered important intercellular signaling molecules that control morphogenic changes during embryogenesis.
] |
