Video Experimental Relacionado
Updated: Nov 16, 2025
10:05
Three-Dimensional Imaging of the Vertebral Lymphatic Vasculature and Drainage using iDISCO+ and Light Sheet Fluorescence Microscopy
Published on: May 22, 2020
10.7K
El cubo sinusal dural: más que una fuga de cerebros
Sarah Mundt1, Annika Keller2, Melanie Greter1
1Institute of Experimental Immunology, University of Zurich, 8057 Zurich, Switzerland.
Cell
|February 19, 2021
Resumen
El sistema nervioso central no está totalmente inmunizado. Los senos duros permiten que los antígenos cerebrales interactúen con el sistema inmunológico, lo que permite la vigilancia inmune directamente dentro del cerebro.
Área de la Ciencia:
- Neuroinmunología
- Investigación del sistema nervioso central
- Inmunología
Sus antecedentes:
- El sistema nervioso central (SNC) se consideraba tradicionalmente privilegiado por la inmunidad.
- Investigaciones recientes sugieren interacciones neuroinmunes activas en las fronteras del cerebro.
Objetivo del estudio:
- Investigar el papel de los senos duros en la comunicación entre el SNC y el sistema inmunológico.
- Desafiar el concepto de privilegio inmune del SNC.
Principales métodos:
- Utilizó técnicas avanzadas de imagen y inmunología.
- Analizó el tráfico de antígenos desde el parénquima cerebral hasta los senos duros.
Principales resultados:
- Los senos duros actúan como un conducto crítico para los antígenos derivados del cerebro.
- Se ha demostrado una interacción directa entre los antígenos cerebrales y las células inmunes dentro de los senos duros.
- Se han proporcionado pruebas para la vigilancia inmune in situ del SNC.
Conclusiones:
- El SNC no está completamente aislado del sistema inmunológico.
- Los senos duros facilitan la vigilancia inmune del cerebro.
- Los hallazgos redefinen la comprensión de las interacciones neuroinmunes y el privilegio inmune del SNC.
Videos de Conceptos Relacionados
01:18Anatomy of the Brain: Ventricles
6.3K
There are hollow fluid-filled cavities known as ventricles deep inside the human brain. There are two lateral ventricles, one in each cerebral hemisphere, and each has three different projections — the anterior, inferior, and posterior horns visible from the lateral side. A thin membrane called the septum pellucidum separates the two lateral ventricles. The slender third ventricle in the diencephalon is connected to each lateral ventricle via a channel called the interventricular foramen.
6.3K
01:19Cranial and Spinal Meninges
2.7K
The cranial and spinal meninges are complex protective structures surrounding the central nervous system (CNS), consisting of the brain and spinal cord. These meninges consist of the dura mater, the arachnoid mater, and the pia mater. They protect the CNS, provide structural support, and aid in circulating cerebrospinal fluid (CSF).
Cranial Meninges
These meningeal layers cover the cranium. The dura mater is the outermost layer of cranial meninges. It is a thick and durable membrane of dense...
Cranial Meninges
These meningeal layers cover the cranium. The dura mater is the outermost layer of cranial meninges. It is a thick and durable membrane of dense...
2.7K
01:19Veins of Head and Neck
4.0K
The blood drainage from the head and neck is primarily managed by three pairs of veins: the external jugular, internal jugular, and vertebral veins. The external jugular veins drain superficial scalp and face structures, passing over the sternocleidomastoid muscles to empty into the subclavian veins.
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
4.0K
01:21Cerebrospinal Fluid
4.0K
Cerebrospinal fluid (CSF) is a colorless liquid that flows around the brain and the spinal cord, playing a vital role in the protection, support, and overall function of the central nervous system (CNS). CSF production, circulation, and absorption are tightly regulated processes essential for the brain and spinal cord to function properly.
CSF Production
CSF is produced mainly in the choroid plexus, a network of capillaries and ependymal cells located within the ventricular system of the brain....
CSF Production
CSF is produced mainly in the choroid plexus, a network of capillaries and ependymal cells located within the ventricular system of the brain....
4.0K
01:15Functional Brain Systems: Limbic System
5.0K
The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
5.0K
01:20Anatomy of the Brain: Major Regions
8.2K
The brain is the most complex organ in the human body. It consists of four main parts: the cerebrum, diencephalon, cerebellum, and brainstem.
The cerebrum is the largest section of the brain and divides into left and right hemispheres, separated by a deep fissure. The cerebral outer layer of grey matter — the cerebral cortex — comprises elevations called gyri and shallow groves called sulci. The inner portion of white matter includes long nerve fibers known as axons, which connect...
The cerebrum is the largest section of the brain and divides into left and right hemispheres, separated by a deep fissure. The cerebral outer layer of grey matter — the cerebral cortex — comprises elevations called gyri and shallow groves called sulci. The inner portion of white matter includes long nerve fibers known as axons, which connect...
8.2K