locus

(redirected from Locus ceruleus)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to Locus ceruleus: Raphe nuclei

Locus

[Latin, Place; place where a thing is performed or done.]

For example, the locus delicti is the place where an accident or crime occurred.

locus

(low-cuss) n. Latin for "place," it means "place which" this or that occurred.

locus

noun bailiwick, demesne, emplacement, ground, locale, locality, location, place, position, region, site, situs, territory
Foreign phrases: Locus crontractus, locus criminis.The place of the crime. Locus delecti. The place of the offense. Locus partitus. A place divided. Locus reisitae. A place where something is situated.
See also: address, circuit, locality, location, position, post, purview, region, scene, scope, section, situation, situs, space, vicinity

locus

‘place’ or ‘area’.

LOCUS. The place where a thing is done.

References in periodicals archive ?
The activity of the noradrenergic neurons is decreased by agonists acting at [alpha]2-adrenergic receptors on the locus ceruleus cell bodies.
Mas aun, el parkinsonismo en estadios iniciales puede afectar al locus ceruleus y a la amigdala, lo cual se asocia a la aparicion de sintomas depresivos debido a los roles que estas estructuras tienen en el funcionamiento del sistema noradrenergico (Braam et al.
2]]-agonists in this setting is provided by demonstration that naloxone administration to opiate-dependent laboratory animals increases the rate of firing from neurons in the locus ceruleus (see previous discussion of dexmedetomidine's effects on the central nervous system).
The chemical signals initiating the different aspects of the stress response are triggered by two factors in the brain, says Gold: corticotropin-releasing hormone (CRH) and a bundle of neurons called the locus ceruleus.
The locus ceruleus norepinephrine system: functional organization and potential clinical significance.
The sedation effect of alpha 2 agonist is postulated to be in the locus ceruleus (a bilateral nucleus that contains many adrenergic receptors) in the brainstem.
Acciones hipnotico-sedantes: a dosis sedantes, disminuye de forma dosis-dependiente las concentraciones de GMPc cerebeloso, a nivel del locus ceruleus que provoca una disminucion dosis dependiente de la liberacion presinaptica de noradrenalina en la via ascendente hacia el cortex, asi como de la serotoninergica, ambas asociadas con la transicion del estado de vigilia al sueno.
A brain region that plays a role in muscle atonia, as well as in sleep, wake and the transitions between various sleep stages, is the locus ceruleus (LC), a blue-tinged area located in the rear upper brainstem.
Many patients with chronic daily headache are thought to have a down regulation of norepinephrine receptors caused by excessive release of norepinephrine from the locus ceruleus.