orbitalis muscle

(redirected from Orbitalis)

or·bi·ta·lis mus·cle

(ōr-bi-tā'lis mŭs'ĕl)
A rudimentary nonstriated muscle, crossing the infraorbital groove and sphenomaxillary fissure, intimately united with the periosteum of the orbit.
Synonym(s): musculus orbitalis [TA] , orbital muscle.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


Heinrich, German anatomist, 1820-1864.
Müller fibers - (1) circular fibers - (2) sustentacular neuroglial cells of the retina. Synonym(s): Müller radial cells
Müller muscle - Synonym(s): circular fibers; orbitalis muscle; superior tarsal muscle
Müller radial cells - Synonym(s): Müller fibers (2)
Müller trigone - the floor of the supraoptic recess of the third ventricle.
Medical Eponyms © Farlex 2012
References in periodicals archive ?
Frequency and distribution of Antestiopsis orbitalis Westwood (Hem., Pentatomidae) in coffee plantations in Burundi: implications for sampling techniques.
MRI revealed a non-enhancing mass in the left frontal lobe involving the pars orbitalis. The patients history was complicated by prior difficult intubation, hypertension and severe obstructive sleep apnea requiring nightly BiPAP therapy.
(23) A cross-sectional study in binge drinkers identified sex-by-drinking status interactions for cortical-thickness measures in four frontal regions (i.e., frontal pole, pars orbitalis, medial orbital frontal, and rostral anterior cingulate).
In the DLB group, the prefrontal cortex showed enhanced brain activity in the following areas: the bilateral middle frontal gyrus (MFG.R and MFG.L), bilateral inferior frontal gyrus, pars triangularis (IFGtriang.R and IFGtriang.L), bilateral inferior frontal gyrus, and pars orbitalis (ORBinf.R and ORBinf.L).
We selected anatomical ROIs in bilateral frontal areas: inferior frontal gyrus (IFG) pars opercularis (Operc), pars triangularis (Tri), and pars orbitalis (Orb); precentral gyrus (PreC), insula, and supplementary motor area (SMA).
Platycephalus orbitalis Imamura and Knapp, 2009###JX488284, JX488286, JX488150
No entanto comprovaram igualmente que a pars orbitalis bilateral e o giro cingulado esquerdo sao responsaveis pela complexidade ritmica.
Ultimately, development of the squamous part of the frontal bone with its orbital part (pars orbitalis) and orbital margin (margo orbitalis), being the components of the dimension Ectorbitale-Ectorbitale, had the greatest effect on a decreasing value of the cranial index 1, with an increasing length of the viscerocranium.
Some authors have proposed that BA47 (pars orbitalis) can also be included in a so-called "Broca's complex" (Hagort, 2005).
incisum extract suspended in 0.5% carboxymethylcellulose sodium salt aqueous solution (CMC-Na) and an amount of blood sample (200 [micro]L) was collected at time 0, 0.083, 0.167, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 12, and 24 h into heparin-pretreated tubes from the fossa orbitalis of each rat after oral administration of the extract.
Cortical cluster ROIs Motor, premotor cortex Caudal middle frontal Precentral Frontal pole Dorsal lateral prefrontal cortex (DLPFC) Rostral middle frontal Pars triangularis Pars orbitalis Cingulate motor area (CMA) Rostral anterior cingulate Posterior cingulate Supplementary motor area (SMA) Paracentral Superior frontal Parietal lobe Postcentral Supramarginal Superior parietal Inferior parietal Subcortical Thalamus proper Caudate Putamen Pallidum Accumbens area Brainstem Brainstem Table 3: Identified connections with significant group-wise differences.
AU FACS name Facial muscle AU1 Inner brow raiser Frontalis (pars medialis) AU2 Outer brow raiser Frontalis (pars lateralis) AU4 Brow lowerer Depressor glabellae, depressor supercilii, and CS AU6 Cheek raiser OO (pars orbitalis) AU7 Lid tightener OO (pars palpebralis) AU9 Nose wrinkler LLSAN AU10 Upper lip raiser LLS, caput infraorbitalis AU12 Lip corner puller Zygomaticus Major AU20 Lip stretcher Risorius AU23 Lip tightener Orbicularis Oris AU25 Lips part Depressor labii inferioris AU27 Mouth stretch Pterygoids, digastric AU45 Blink Contraction OO AU46 Wink OO AU Videotape EMG AU1 X - AU2 X - AU4 X - AU6 X X AU7 X X AU9 X - AU10 - X AU12 X - AU20 X - AU23 X - AU25 X - AU27 X - AU45 - X AU46 - X TABLE 3: Facial expressivity items defined in ICRP-IEB [9] and used AUs.