Sentences with phrase «monociliated choroid»

This infolding put the photoreceptors in close proximity to the retinal pigment epithelium, enabling the biochemical recycling of retinoids following light absorption, the attenuation of light that passes through the photoreceptors unabsorbed, and the delivery of oxygen and nutrients from the overlying choroid tissue.
Besides the dorsal cortex, researchers were able to grow, among other regions, parts of the ventral forebrain, which makes neurons that connect to the cortex, and the choroid plexus, which generates spinal fluid.
Practical Handbook of OCT (Retina, Choroid, Glaucoma).
Uveal melanoma is a cancer of the iris, ciliary body, or choroid — structures in the eye collectively known as the uvea.
Our study suggests otherwise, though, as we found that a certain type of B cell is quite abundant in the ventricles, meninges, and choroid plexus in the brains of young mice.
Prof. Fiona Doetsch's research team at the Biozentrum, University of Basel, has discovered that the choroid plexus, a largely ignored structure in the brain that produces the cerebrospinal fluid, is an important regulator of adult neural stem cells.
When stem cells from the old brain are cultured with signals of a young choroid plexus they can divide and form new neurons (red).
The scientists measured the volume of the choroid plexus from 3 - tesla structural magnetic resonance images.
«However, in clinical neuroscience, the functions of choroid plexus beyond cerebrospinal fluid generation have been largely neglected; for example, the size of the choroid plexus is not quantified in routine brain scans,» explains Professor Riitta Hari, who was in charge of the research.
Fiona Doetsch's group uncovered that the choroid plexus secretes a wide variety of important signaling factors in the CSF, which are important for stem cell regulation throughout life.
The CSF is produced by the choroid plexus.
«Unexpected link between choroid plexus, chronic pain.»
Aalto University neuroscientists, in collaboration with researchers at Helsinki University Hospital and Harvard Medical School, have found a novel connection between the size of the choroid plexus in the brain and complex regional pain syndrome (CRPS).
The volume of the choroid plexus was measured in this work.
The study recently published in «Cell Stem Cell» also shows that signals secreted by the choroid plexus dynamically change during aging which affects aged stem cell behavior.
Sanford Research scientists are published in Nature Cell Biology for their work developing a model to explore therapies for a pediatric brain tumor known as choroid plexus carcinoma.
«When studying magnetic resonance images of the brains of patients suffering from CRPS, we noticed that the choroid plexus was nearly one - fifth larger in patients than in healthy control subjects,» says Postdoctoral Researcher Guangyu Zhou from Aalto University Department of Neuroscience and Biomedical Engineering (NBE), who analysed the images.
The research team led by Prof. Fiona Doetsch at the Biozentrum of the University of Basel has now shown that the choroid plexus is a key component of the stem cell niche, whose properties change throughout life and affect stem cell behavior.
Located in the walls of the brain ventricles, the choroid plexus is best known for producing cerebrospinal fluid, which forms a protective mechanical cushion and immunological buffer for the brain.
Because Sonic Hedgehog might be an indicator of tumor growth, targeting this protein could be clinically beneficial for choroid plexus carcinoma treatment.
The choroid plexus located in the brain ventricle is marked with red in the brain image.
Haotian Zhao, Ph.D., is the lead author on the study titled «Sonic Hedgehog promotes proliferation of Notch - dependent monociliated choroid plexus tumour cells.»
Yvan Campos, associate scientist in the St. Jude Department of Genetics and the paper's first author, was instrumental in defining Alix's precise role in the brain's choroid plexus and linking that role to disease.
We were intrigued by the occurrence of hydrocephalus in the brains of these mice and began to investigate the structures within the brain that might be involved — the choroid plexus and the ciliated ependyma,» said corresponding author Alessandra d'Azzo, Ph.D., who holds the Jewelers For Children Endowed Chair in Genetics and Gene Therapy at St. Jude.
The epithelial barrier in the choroid plexus of the brain is the blood - cerebrospinal fluid interface.
In the late 1800s, when doctors first began looking into eyes with ophthalmoscopes, they believed that the drusen they observed represented some type of infection, or at least inflammation, of the choroid.
The layer farthest from the incoming light is a rich network of blood vessels known as the choroid.
In most cases, hypoxia is caused by either a dysfunction of the retinal vasculature, as in diabetic retinopathy and retinal artery and vein occlusions, or it is due to a mismatch between nutrient supply and demand, as in the case of a retinal detachment, where the retina is separated too far from the choroid to receive sufficient oxygen.
The antiserum demonstrates strongly positive labeling of rat choroid plexus and hippocampus using indirect immunofluorescent and biotin / avidin - HRP techniques.
They were located between the Bruch's membrane and the RPE, and in the choroid.
To displace delicate tissues and folds of the brain — and limit intraoperative damage — a tubular retractor was advanced along the chosen trajectory into the atrium of the lateral ventricle, entering the thalamus at a point identified by the microscope and pointer as superior and lateral to the choroid plexus.
Choroid plexus tumors: Choroid plexus tumors are relatively rare in children.
Our objective is to determine whether this mutation is involved in AMD by (1) understanding the functional consequences of this genomic variation on expression of COL8A1 and / or its neighbor genes, and (2) investigating photoreceptors and RPE cell survival, retinal and choroidal angiogenesis, structure integrity of the choroid / Bruch's membrane, and the quality of the vision, in organisms with the COL8A1 mutation.
Choroid plexus — where and abundant supply of GH receptors transport growth hormone across the blood - brain barrier.
An inflammation in the inner part of your dog's eye that is composed of the iris, ciliary body (a round structure located behind the iris), and the choroid (tissues behind the iris).
There is under - development (hypoplasia) of the eye tissue layer called the choroid.
It is a recessively inherited eye disorder that causes abnormal development of the choroid - an important layer of tissue under the retina of the eye.
Once the retina changes to its adult color around 3 months of age, the normal pigment sometimes masks the changes in the choroid (so - called «go normal» — read more below).
The lesion appears as an area lateral (temporal) to the optic disc with reduction or absence of pigment so that the underlying vessels of the choroid are seen.
Since the choroid layer does not develop normally from the start, the primary abnormality can be diagnosed at a very young age.
The choroid appears pale and thin, almost transparent, and the blood vessels of the choroid can easily be recognized in those «thin» areas.
The abnormal features seem to disappear or lessen due to pigment changes and masking of the thin choroid areas.
Neoplasms may be located at the surface of the parenchyma (e.g., meningioma, neurofibroma, medulloblastoma, choroid plexus papilloma or malignant lymphoma), or may be located within the parenchyma (e.g., glioma).
The medical terms are horrible: osteochondrosis of the medial humeral condyle or ununited anconeal process, fragmented medial choroid process.
In affected dogs, the choroid does not develop properly and is thinner than normal.
Uveitis is inflammation of the uveal tract, which is composed of the iris, ciliary body, and choroid (the vascular components inside the eye).
The different structures of the eye which are examined include the eyelids, globe as a whole, cornea, conjunctiva, sclera, anterior chamber, iris, lens, retina, choroid, and optic nerve.
Retinal folds, while they may be a mild form of dysplasia, are also thought to occur through a more benign process of unequal growth rates in the retina and its underlying tissues, the choroid and sclera.
Examples include meningioma, astrocytoma, oligodendroglioma, ependymoma and choroid plexus tumors.
The primary phenotypic element of the disorder is regional hypoplasia of the choroid, the highly vascular layer underlying the retina.
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