(n.) An arch or fold; as, the fornix, or vault, of the cranium; the fornix, or reflection, of the conjuctiva.
(n.) Esp., two longitudinal bands of white nervous tissue beneath the lateral ventricles of the brain.
Example Sentences:
(1) The perforant pathway and fimbria fornix were transected to label afferent fibers to NPY-positive cells.
(2) One month after unilateral transection of the fimbria-fornix an almost complete lack of cholinergic fibers persists in all layers of the dorsal hippocampus and fascia dentata ipsilateral to the lesion when compared to the contralateral hippocampus or to unlesioned control rats.
(3) At a depth of 0.5-1.5 cm from the lateral vaginal fornix there were three different arteries in each woman.
(4) The most important is the afferent system from the fornix, it terminates in the antero-dorso-medial part of L.D.
(5) The only variable was the type of conjunctival flap used: one eye received a limbal-based flap and the other a fornix-based flap.
(6) Septal efferent fibers from the neurons in the medial septal nucleus are destroyed by fimbria-fornix aspirative lesion.
(7) Here the fornix-transected group was impaired but the group with sulcus principalis ablations was normal.
(8) Lesion of the fimbria-fornix resulted in a reduction of cholinergic input to the hippocampal formation as indicated by the loss of acetylcholinesterase (AChE)-positive staining in all ipsilateral hippocampal laminae and a loss of [3H]hemicholinium-3 binding to cholinergic terminals in the strata oriens (82% reduction) and radiatum (77% reduction) of areas CA2 and CA3 and in the molecular layer of the dentate gyrus (83% reduction).
(9) Transfer of fluid by a glass rod from the lateral part of the inferior fornix was demonstrated to be the most suitable method, showing the highest sensitivity to leucocyte-esterase (83%, N = 120, p < 0.05) and with a specificity equal to that of the other methods tested (cotton, spongostan, Schirmer paper strip).
(10) Projections from the ventral subiculum reach the BST mainly by way of the precommissural fornix, and provide rather dense inputs to the anterodorsal area as well as the transverse and interfascicular nuclei.
(11) The projections form part of multisynaptic chains within the hippocampal region and must also be implicated in output routes for hippocampal activity additional to the fimbria-fornix system.
(12) When the septal area in young adult rats is denervated by a lesion of the fimbria-fornix, adrenergic fibers proliferate within the denervated area.
(13) Total lesions of the septum or superior fornix abolished theta and increased the frequency of self stimulation.
(14) The metabolic patterns and responses of phenylalanine to the 1st cold exposure were altered by lesioning the periventricular arcuate nucleus (ARC), ventromedial hypothalamus (VMH), stria terminalis (ST) or dorsal fornix (FX).
(15) 1 group (non-diaphragm) had a 20 mg. suppository inserted every 4 hours high in the vaginal fornix.
(16) Lower nasal fornix (LNf) and adjacent sites, lower middle fornix (LMf) and lower nasal tarsal (LNt), had the highest mean densities of goblet cells.
(17) Injections of colchicine placed into the body of the fornix produced similar results.
(18) Atrophic gastritis occurres especially near the anastomosis and decreases in the direction of the fornix.
(19) The lesions are characteristically localized in the "centro-axial" regions of the brain involving most frequently: corpus callosum, septum pellucidum, fornix, tela chorioidea, peri- and para-ventricular zone, infundibulobasal region and cingulum; this pattern also includes lesions of the hippocampal area, upper brainstem, pontocerebellar complex, and parasagittal areas of the cerebrum.
(20) The best results regarding function and pain reduction have been obtained by the Neer prosthesis, but the lack of cranial support ("fornix humeri") and the ovalization of the head seem to be responsible for some cases of upward migration of the head of the prosthesis.
Lyra
Definition:
(n.) A northern constellation, the Harp, containing a white star of the first magnitude, called Alpha Lyrae, or Vega.
(n.) The middle portion of the ventral surface of the fornix of the brain; -- so called from the arrangement of the lines with which it is marked in the human brain.
Example Sentences:
(1) The discrimination performance of Megaderma lyra was studied in a two-alternative, forced-choice experiment using phantom targets with different internal delays and relative amplitudes of the two copies.
(2) Peroxidase-anti-peroxidase immunocytochemistry, applied on serial semithin epoxy resin sections, was used to examine the localization of endogenous GABA in horizontal cells in the retina of a marine teleost, the dragonet (Callionymus lyra L.).
(3) The divergent evolution of Macroderma gigas and Megaderma lyra, two representatives of the family Megadermatidae, is discussed.
(4) Dialectic Criminology is defined, in Lyra's conception, as a Classified Criminology, synthetizing both the psychological approach (clinical criminology, or micro-criminology), and the sociological approach (sociological criminology or macro-criminology), according to an anthropological basic frame of reference, which constitutes the new and original prerequisite.
(5) The hemoglobin of the Indian false vampire Megaderma lyra contains only one component.
(6) A detailed comparison of the unfolding programs LYRA and SAND is made, and reasons are given for our choice of SAND in our application.
(7) There were lush velvet palazzos from Maslea ; pastel-coloured flared jumpsuits by Syomirizwa Gupta ; satin emerald-green dresses with puffed shoulders from Foulard; trendy burkini-wear by Lyra ; and beaded evening gowns by Sahee London that could have floated off the pages of an F Scott Fitzgerald novel.
(8) The displaced small amacrine cells (DSA cells) in the dorsal pure cone part of the retina of the marine teleost Callionymus lyra have been analysed in a combined light and electron microcopical study.
(9) Mission scientists will use Kepler's 95 megapixel digital camera to survey the brightness of 100,000 stars in the constellations of Cygnus and Lyra every half an hour.
(10) In more than three years surveying 150,000 stars in the constellations of Cygnus and Lyra, Kepler has located 132 planets and more than 2,700 further candidate planets, which will need independent corroboration from other telescopes before they are confirmed hits.
(11) An allele at B1 produces the frenata pattern; an allele at B2 produces zonata; together they produce lyra.
(12) They are orbiting a star called Kepler-20 almost 1,000 light years away in the constellation Lyra .
(13) The horizontal cell system in the retina of the fish Callionymus lyra L. was investigated light microscopically and electron microscopically.
(14) But there have been so many good female characters for girls in cinema – Lyra in The Golden Compass, Katniss in The Hunger Games, Hit-Girl in Kick-Ass .
(15) Prof. Lyra discusses in this article the basic problem of criminological sciences, stating that its essential object of study is the determination of the genesis of crime.
(16) To this aim, according to Prof. Lyra, it is necessary to overcome merely biological or psychological theories, and the new sociologisms, which cannot explain deviant behavior without falling into dogmatism or relativism.