How To Use Choroid In A Sentence
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It is quite easy to observe the retinal image in the eye of a white rabbit, the choroid of which is devoid of pigment.
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In vertebrates, underneath the photoreceptors is a layer of pigment and pigment cells called the choroid the squid, cuttlefish and octopus have similar arrangements - more on this later, this layer of pigment absorbs stray light that is not caught by the photoreceptors, which might reflect back and fuzz up the image.
Denton vs Squid; the eye as suboptimal design. - The Panda's Thumb
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The _choroid coat_ lies immediately beneath the sclerotic coat at all places except a small margin toward the front of the eyeball.
Physiology and Hygiene for Secondary Schools
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Choroiditis or chorioretinitis may take weeks to months to resolve.
Emaxhealth
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Eyes with choroidal neovascularisation may exhibit different proportions of classic and occult leakage.
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She suffered, we afterwards concluded, from choroidal tuberculosis.
Glaucoma A Symposium Presented at a Meeting of the Chicago Ophthalmological Society, November 17, 1913
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The spongy nature of this meshwork affords free access of aqueous to the venous sinus of Schlemm, thence by tributaries into the supra-choroidal space and anterior uveal venous system.
Glaucoma A Symposium Presented at a Meeting of the Chicago Ophthalmological Society, November 17, 1913
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Uveitis, or inflammation of the iris, ciliary body or choroid, may also cause light sensitivity, pain and loss of vision.
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English ophthalmologist of his time, William Mackenzie (1791-1868; choroiditis, accommodation, asthenopy, scotoma).
The Catholic Encyclopedia, Volume 10: Mass Music-Newman
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Lining the inner surface of the sclerotic is the second coat, the choroid.
A Practical Physiology
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The fissures comprise the choroidal and hippocampal already described, and two others, viz., the calcarine and collateral, which produce the swellings known respectively as the calcar avis and the collateral eminence in the ventricular cavity.
IX. Neurology. 2. Development of the Nervous System
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Our results show that there is a dilatation of the choroidal vessels after sildenafil treatment and this may lead to congestive effects within the eye.
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Of the other two, one had a papilloma of the choroid plexus and the other a glioblastoma.
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(PhysOrg. com) -- A team of scientists from the University of Toronto, the Hospital for Sick Children (SickKids) and The Children's Hospital of Los Angeles have identified a genetic mutation that plays a major role in the outcome of a paediatric brain cancer called choroid plexus carcinoma.
PhysOrg.com - latest science and technology news stories
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Malignant melanoma can also affect the choroid of the eye, the layer just under the retina.
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Conclusion The repair of scleral rupture with anterior vitrectomy may prevent retina or choroid incarceration and create the chance of reconstruction of posterior segment structure.
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The uvea, or uveal tract, includes the iris and the dark, pigmented area known as the choroid, which contains the jellylike vitreous humor, as well as blood vessels that ferry blood and nutrients into and out of the eye.
RockyMountainNews.com
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In the meantime, absorb many infrared ray, the eye ground that the direct illuminate place of orthoptic sun or intense arc light causes is injured, if common solar sex retina is choroid burnable.
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-- In cases of acute glaucoma, irido-choroiditis, and all deep inflammations of the eye in which the ocular tension is increased, also in certain cases of flap extraction already alluded to, the operation of iridectomy as originally proposed by Von Graefe will be found of use.
A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners
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The surgery went for eight hours; it was complicated by tentacles wrapped around the optic nerve and extending into the choroidal fissure which is the groove on the surface of the optic stalk.
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Intraventricular meningiomas are rare but typically occur around the choroid plexus in the trigone of the lateral ventricles.
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The Choroid Plexus of the Lateral Ventricle (plexus chorioideus ventriculus lateralis; paraplexus) (Fig. 750) is a highly vascular, fringe-like process of pia mater, which projects into the ventricular cavity.
IX. Neurology. 4c. The Fore-brain or Prosencephalon
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Defects are observed inside the melanosomes distributed on the skin, peritoneum and choroid membrane, but melanosomes in the pigment epithelial cells are terminally differentiated.
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The choroid vein runs along the whole length of the choroid plexus, and receives veins from the hippocampus, the fornix, and the corpus callosum.
VII. The Veins. 3b. 4. The Veins of the Brain
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High myopia often leads to atrophy of the choroid and subsequent retinal macular degeneration, with loss of central visual acuity and high incidence of retinal detachment, glaucoma, and strabismus
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It is supplied by the anterior and posterior choroidal arteries already described, The veins of the tela chorioidea are named the internal cerebral veins (venæ Galeni); they are two in number, and run backward between its layers, each being formed at the interventricular foramen by the union of the terminal vein with the choroidal vein.
IX. Neurology. 4c. The Fore-brain or Prosencephalon
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Methods: To analyse 1 patient with heterotopic choroid plexus carcinoma and review the literature.
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Some of the fibers of this trabecular tissue are continued into the substance of the iris, forming the pectinate ligament of the iris; while others are connected with the forepart of the sclera and choroid.
X. The Organs of the Senses and the Common Integument. 1c. 1. The Tunics of the Eye
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She rarely wore goggles using the beds and lost her eye after being diagnosed with choroidal melanoma in 2012.
The Sun
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The thin, dark, and highly vascular tela choroidea of the 4th ventricle is attached to the posterior margin of the inferior medullary velum and the peduncle of the flocculus.
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There was extensive damage to both eyes, hæmorrhage, and probably retinal detachment as well as choroidal changes.
Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre
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Complete coloboma is when all of the structures of the eye are involved; these are the choroid, the retina, the optic disk, the ciliary body, the macular and the iris.
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Researchers have discovered that an organ in the brain called the choroid plexus apparently plays a ...
THE MEDICAL NEWS
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Eye Inflammation can be a mild eye condition, or a serious problem like Panuveitis, choroiditis or even a type of glaucoma.
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The ventricles were filled with water, and the plexus choroides was considerably enlarged, and stuffed with grumous blood.
An Essay on the Shaking Palsy
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Fuchs' spot describes a round or elliptic elevated dark brown lesion located in the macula that arises because of choroidal neovascularization.
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The choroid is a thin, highly vascular membrane, of a dark brown or chocolate color, investing the posterior five-sixths of the globe; it is pierced behind by the optic nerve, and in this situation is firmly adherent to the sclera.
X. The Organs of the Senses and the Common Integument. 1c. 1. The Tunics of the Eye
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These changes occur in the optic disc or the place from where the optic nerve exits the eye, the retina or the light sensitive layer and the layer behind the retina called the choroid.
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The internal carotid artery supplies blood to the middle ear, brain, hypophysis, orbit, and choroid plexus of the lateral ventricle.
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The fundus could be clearly seen through all of the pupils, and there was no posterior staphyloma nor any choroidal changes.
Anomalies and Curiosities of Medicine
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The pioneer in this seems to have been Purkinje, who described cells in the choroidal plexus in
Form and Function A Contribution to the History of Animal Morphology
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As the choroid approaches the front part of the eyeball, its parts become folded upon themselves into a series of ridges, called ciliary processes.
A Practical Physiology
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Arteries carried in with the pial fold provide the choroid plexuses of the 3rd and lateral ventricles.
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The final frame is a photograph from indocyanine green angiography, showing the detailed architecture of the choroidal vasculature
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Ependymomas and choroid plexus papillomas generally appear cytologically benign or bland.
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The posterior horns are present and normal and contain normal choroid plexus.
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The parapapillary choroidal vascular lumen appeared to be narrowed in most of these eyes.
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A parishioner of mine has a son who suffers with Choroideremia, a rare inherited disorder that causes progressive loss of vision due to degeneration of the choroid and retina.
Archive 2009-09-01
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Woody plants show three ecological strategies: deciduous woody in summer: Thamnoseris lacerata var. lobata (Asteraceae-Cichoroideae), the only tree on the island. bushy woody, evergreen, microphyllous (small leafed): Frankenia vidalii (Frankeniaceae) and Atriplex chapinii (Chenopodiaceae). woody, bushy, with succulent leaves: Suaeda nesophila (Chenopodiaceae) and Maireana brevifolia (Chenopodiaceae).
San Félix-San Ambrosio Islands temperate forests
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The stabilizing effect of the choroidal circulation on the temperature environment of the macula.
Denton vs Squid; the eye as suboptimal design. - The Panda's Thumb
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The anterior choroidal artery is occasionally derived from the middle cerebral or posterior communicating: it may also be represented by two or three smaller branches.
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The middle layer is a vascular, pigmented layer consisting of the iris, ciliary body, and choroid.
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After abandoning his ligature of the anterior choroidal artery on account of the variability of the area supplied by this artery, Cooper inserted a cannula directed by a simplified guiding device in order to inject fluids into the pallidum; in other words, he employed a stereotactic technique.
Foreshadowings
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Uncontrolled hypertension presents an increased risk of orbital haemorrhage during injection of local anaesthetic and potentially of peroperative suprachoroidal expulsive haemorrhage.
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The choroid plexus of the 3rd ventricle is united with the choroid plexus of the lateral ventricle via the choroid fissure between thalamus and fornix.
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The treatment is usually applicable to choroidal neovascular lesions that do not extend under the centre of the retina since photocoagulation will usually destroy any viable photoreceptors overlying the abnormal vessels.
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Underneath the retina is the choroid - a thin layer of blood vessels that supplies oxygen and nutrients to the retina.
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The blind left eye was enucleated in January 2001 to help establish the diagnosis and showed a mass lesion involving the vitreous cavity and with a mild thickening of the choroid.
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In addition to T-lymphocyte participation, mast cells in the choroid play an accessory role with data that degranulation of choroidal mast cells occurred prior to the onset of the disease.
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Furthermore, the possibilities of damage by hemorrhage from the choroidal or retinal vessels, delayed formation of the anterior chamber and adhesion of the capsule of the lens to the wound, and the injurious effects of even slight trauma subsequent to the operation, including loss of vitreous, are increased by omitting the conjunctival flap.
Glaucoma A Symposium Presented at a Meeting of the Chicago Ophthalmological Society, November 17, 1913
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Choroidal tubercles, when present, can provide valuable diagnostic clues to life threatening forms of disseminated tuberculosis such as miliary tuberculosis.
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Significant reductions in 8-epi-isoprostane levels were found in the compartments except the choroid-sclera or plasma, indicating antioxidative activities of catechins in these tissues, concluded the team.
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It is covered by and adherent to a fold of pia mater, named the tela chorioidea of the third ventricle, from the under surface of which a pair of vascular fringed processes, the choroid plexuses of the third ventricle, project downward, one on either side of the middle line, and invaginate the epithelial roof into the ventricular cavity.
IX. Neurology. 4c. The Fore-brain or Prosencephalon
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More than anywhere else was German influence felt in France, and here we must mention in the first place the pupils of Jager: Viktor Stöber (1803-71), professor at Strasburg, and Julius Sichel of Paris (1802-58; choroiditis, glaucoma, cataract, staphyloma).
The Catholic Encyclopedia, Volume 10: Mass Music-Newman
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However, the neovascular, exudative form results in serous or hemorrhagic detachment of retinal pigment epithelium and choroidal neovascularization.
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The lips of the choroidal fissure, containing the hyaloid vessels, are fused or nearly so.
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As can be seen in the left hemisphere, the choroid plexus protrudes into the central part of the lateral ventricle, and the route of entry of the plexus is via the choroid fissure, between the fornix and the lamina affixa.
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The proper coats of the eye are reckoned five in number; viz. the sclerotica, cornea, choroides, iris or uvea, and the retina.
Popular Lectures on Zoonomia Or The Laws of Animal Life, in Health and Disease
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Fundal examination showed a large choroidal rupture of the left macula.
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The choroid rete mirabile is a large organ behind the retina of the eye, composed of several thousand capillaries arranged countercurrent to each other.
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Objective To study the clinical application of fundus fluorescein angiography ( FFA ) in choroidal contusion.
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ObjectiveTo discuss choroidal structural changes and extent of damage in the patients with eyeball contused wound.
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Its outer surface is in contact with the choroid; its inner with the hyaloid membrane of the vitreous body.
X. The Organs of the Senses and the Common Integument. 1c. 1. The Tunics of the Eye
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After sonography my condition was diagnosed as ‘choroidal haemangioma’.
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A patient, then aged 21, suffered three years ago from a scotoma almost central; and was first seen six months after that with a macular choroidal atrophy and abnormal pigmentation.
Glaucoma A Symposium Presented at a Meeting of the Chicago Ophthalmological Society, November 17, 1913
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Thus the choroid plexuses of the lateral ventricles are in fact only lateral expansions of the tela choroidea of the 3rd ventricle, and they extend into the lateral ventricles by way of the choroid fissures.
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The textbook is a comprehensive and very practical approach to all aspects of fundus diseases including retina, vitreous, choroid, tumors of the fundus and optic nerve disease.
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Temperature modulating action of choroidal blood flow.
Denton vs Squid; the eye as suboptimal design. - The Panda's Thumb
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Ocular toxocariasis produces unilateral chronic panuveitis associated with granulomatous mass lesion in fundus (ocular toxoplasmosis usually causes acute retinochoroiditis).
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Choroidal melanoma is a tumor of the eye that forms from pigmented cells of the choroid, a layer of vascular tissue in the back of the eye.
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Medaka P is strongly expressed in the eyeball of embryos and adults, where melanin is produced in the choroid membrane and retinal pigment epithelium.
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Lateral to the dentate gyrus, the temporal horn of the lateral ventricle has been opened to expose its choroid plexus, which is involved in the production of cerebrospinal fluid.
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Whether the action of the eserin on the choroidal circulation, which is maintained by Wahlfours, aids in this favorable action of the myotics remains to be proved.
Glaucoma A Symposium Presented at a Meeting of the Chicago Ophthalmological Society, November 17, 1913
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In this condition, fluid accumulates under the retina because of a leaky blood vessel in the choroid, a layer of blood vessels located under the retina.
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To add to the confusion, Mondino dei Luzzi (1306) described the choroid plexus in the lateral ventricles as a worm which can open and close the passage between the anterior and middle ventricles, with the result that, in the late Middle Ages, the term ˜worm™ could refer to no less than three different parts of the brain: the vermis of the cerebellum, the pineal body and the choroid plexus
Descartes and the Pineal Gland
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We went for the Level 2 ultrasound (and found out it was a boy and got a MOVIE - very nice) and only one marker was seen (choroid plexus cysts).
Dark, Update | Her Bad Mother
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More than anywhere else was German influence felt in France, and here we must mention in the first place the pupils of Jager: Viktor Stöber (1803-71), professor at Strasburg, and Julius Sichel of Paris (1802-58; choroiditis, glaucoma, cataract, staphyloma).
The Catholic Encyclopedia, Volume 10: Mass Music-Newman
