单词 | septum pellucidum |
释义 | > as lemmasseptum pellucidum d. spec. More fully septum lucidum, septum pellucidum. A structure formed of two thin layers of nerve cells and fibres, located in the midline of the brain between the anterior horns of the lateral ventricles, and forming part of the limbic system. [In septum lucidum < post-classical Latin septum lucidum (1561 or earlier). ΘΚΠ the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > ventricles > partition between septum lucidum1698 basin1728 1615 H. Crooke Μικροκοσμογραϕια vii. x. 460 This septum before it be stretched is loose & rugous and doeth not shine. 1698 W. Cowper Anat. Humane Bodies App., 7th Table, fig. 30 That part of the corpus callosum by Vieussens, call'd fornix vera, between which, and the fornix..is plac'd the septum lucidum. 1745 Med. Ess. & Observ. Pract. Physic & Surg. II. 105 The Septum Pellucidum was very distinctly seen. 1824 Anat. Brain 53 It [sc. the fornix] supports in some degree the septum pellucidum. 1942 F. A. Mettler Neuroanatomy iv. 97 Stretched between the copula, rostrum, genu and anterior half of the corpus callosum is a thin, vertically arranged membrane, the translucent septum (s. pellucidum). 2005 Sci. Amer. (U.K. ed.) Oct. 51/1 Stimulation of a limbic region called the septum could trigger euphoria, strong enough in some cases to counteract depression and even physical pain. < as lemmas |
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