Mitral Cell Projections
Mitral Cell Projections - Related Videos
09:13
Optimized Protocol for the Extraction of Proteins from the Human Mitral Valve
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2017
The protein composition of the human mitral valve is still partially unknown, because its analysis is complicated by low cellularity and therefore by low protein biosynthesis. This work provides a protocol to efficiently extract protein for the analysis of the mitral valve proteome.
15:18
Near Infrared Optical Projection Tomography for Assessments of β-cell Mass Distribution in Diabetes Research
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Cited by 44 •
2013
We describe the adaptation of optical projection tomography (OPT)1 to imaging in the near infrared spectrum, and the implementation of a number of computational tools. These protocols enable assessments of pancreatic β-cell mass (BCM) in larger specimens, increase the multichannel capacity of the technique and increase the quality of OPT data.
02:18
Fischer Projections
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2023
Learning to draw Fischer projections of molecules and understanding their relevance plays a crucial role in the visual depiction of organic molecules. A Fischer projection is a two-dimensional projection on a planar surface to simplify the three-dimensional wedge–dash representation of molecules. This is especially helpful in the case of molecules with multiple chiral centers that can be difficult to draw. Here, all the bonds of interest are represented as horizontal or vertical lines. While...
10:50
Nanopodia - Thin, Fragile Membrane Projections with Roles in Cell Movement and Intercellular Interactions
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Cited by 15 •
2014
Nanopodia are thin but fragile membrane channels that extend up to 100 μm from a cell's leading front or trailing rear and sense the cellular environment. Direct fixation at 37 °C, gentle washing, and avoidance of organic solvents like ethanol, methanol, or acetone and of higher Triton X-100 concentrations are required to observe these cellular structures.
02:06
Newman Projections
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2023
Different notations are used to represent the three-dimensional structure of molecules on two-dimensional surfaces. One of the most commonly used representations is the dash-wedge formula. The dashed wedges, solid wedges, and the plane lines indicate the groups situated behind the plane, coming out of the plane, and in the plane, respectively. The organic molecules rotate across the single bonds leading to numerous temporary three-dimensional structures of varying energy known as conformers.
FAQs
Multiple olfactory sensory neurons associated with one glomerulus provide convergent input to a mitral cell. Within the olfactory bulb, that input is combined with both excitatory and inhibitory influences before the cell sends a long-range signal. This integration allows projection output to reflect local circuit processing rather than a simple relay of individual sensory-neuron activity.
The lateral olfactory tract provides the principal route by which mitral cell axons leave the olfactory bulb and reach higher brain regions. Its connections include the piriform cortex, cortical amygdala, and entorhinal cortex. Because these destinations are linked to odor perception, memory, and behavior, the tract connects early olfactory processing with broader neural functions.
Olfactory sensory neurons deliver convergent information to mitral cells within olfactory-bulb glomeruli, whereas mitral cell axons distribute processed output to multiple higher regions. This difference reflects a transition from localized sensory convergence to long-range communication. Studying both stages helps distinguish input organization from the downstream pathways that carry integrated odor signals.
Projection mapping links the anatomical destinations of mitral cell axons with the organization of olfactory processing. It can help researchers relate connectivity to how odor information is represented and distributed beyond the olfactory bulb. This approach is especially useful for examining whether changes in circuit structure correspond to altered odor coding or behavioral effects.
Researchers examine these pathways to understand how olfactory-bulb activity reaches regions involved in perception, memory, and behavior. Mapping the connections also supports investigations of circuit connectivity and odor coding. Because disruptions in olfactory pathways are associated with neurological and psychiatric disorders, these projections provide a framework for studying how altered communication may contribute to disease-related changes.
Their relevance comes from the combination of long-range connectivity and behavioral importance. Mitral cell axons carry olfactory-bulb output into several higher brain regions, so pathway disruptions may affect how odor signals influence perception, memory, or behavior. Researchers can therefore use projection organization as a circuit-level context for investigating olfactory abnormalities in neurological and psychiatric conditions.