Definitions

from The Century Dictionary.

  • Anterior with respect to optic lobes; pregeminal: specifically noting the anterior pair of the optic lobes or corpora quadrigemina of the brain.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective anatomy In front of the optic chiasm

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From pre- +‎ optic

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Examples

  • GnRH1-producing neurons in regions of the brain known as the preoptic and hypothalamic regions in arrhinencephalic fetuses, whereas large numbers of these cells were present in control fetuses.

    EurekAlert! - Breaking News 2010

  • GnRH1-producing neurons in regions of the brain known as the preoptic and hypothalamic regions in arrhinencephalic fetuses, whereas large numbers of these cells were present in control fetuses.

    EurekAlert! - Breaking News 2010

  • Jacobson, W, et al. Decreased in mediobasal hypothalamic and preoptic area opoid binding are associated with the progesterone-induced luteinizing hormone surge.

    T.S. Wiley: Estrogen Dilemma: There Is No Dilemma When You Know the Details T.S. Wiley 2010

  • Langub, MC, et al. Estrogen receptor immunoreactive glia, endothelia and ependyma in guinea pig preoptic area and median eminence: electron microscopy.

    T.S. Wiley: Estrogen Dilemma: There Is No Dilemma When You Know the Details T.S. Wiley 2010

  • As a male neurologist, I can tell you that less than 0.25% of brain mass is sexually dimorphic hypothalamic preoptic area, ventromedial nucleus and supraoptic area and that is hypothalamic, related, so far as we know, to chemical and hormonal regulation.

    Percentage of Women on Physics Faculty by Country 2005

  • There were also odd activity patterns in the medial preoptic area of the hypothalamus.

    Analog Science Fiction and Fact 2004

  • The SuM appears to be functionally linked with the mesolimbic dopamine system and is closely connected with other brain structures that are implicated in motivational processes, including the prefrontal cortex, septal area, preoptic area, lateral hypothalamic area and dorsal raphe nucleus.

    BioMed Central - Latest articles 2010

  • This manipulation also increased c-Fos expression in structures including the ventral tegmental area, medial shell of the nucleus accumbens, medial prefrontal cortex, septal area, preoptic area, lateral hypothalamic area and dorsal raphe nucleus.

    BioMed Central - Latest articles 2010

  • Picrotoxin administration into the SuM appears to disinhibit local neurons and recruits activation of brain structures associated with motivational processes, including the mesolimbic dopamine system, prefrontal cortex, septal area, preoptic area, lateral hypothalamic area and dorsal raphe nucleus.

    BioMed Central - Latest articles 2010

  • Using this panic model, we previously showed that inhibiting the anterior third ventricle region (A3Vr; containing the organum vasculosum lamina terminalis, the median preoptic nucleus, and anteroventral periventricular nucleus) attenuates cardiorespiratory and behavioral responses elicited by i.v. infusions of NaLac.

    Naturejobs - All Jobs Andre I Molosh 2010

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