Cannula Notch Technique
Cannula Notch Technique - Related Videos
08:01
Stimulation of Notch Signaling in Mouse Osteoclast Precursors
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Cited by 13 •
2017
Notch signaling is a form of cellular communication that relies upon direct contact between cells. To properly induce Notch signaling in vitro, Notch ligands must be presented to cells in an immobilized state. This protocol describes methods for in vitro stimulation of Notch signaling in mouse osteoclast precursors.
04:01
Cannula Implantation into the Cisterna Magna in a Mouse Model
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2025
Source: Xavier, A. L. R., et al. Cannula Implantation into the Cisterna Magna of Rodents. J. Vis. Exp. (2018)This video demonstrates the procedure for implanting a cannula into the cisterna magna of an anesthetized mouse. The technique involves guiding a needle-mounted cannula through the dura into the inverted triangular cisterna magna and securing it for targeted delivery into the cerebrospinal fluid.
01:29
Administering Oxygen by Nasal Cannula
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2025
Oxygen therapy is critical to patient care, especially for those struggling with respiratory issues. This intervention increases the oxygen concentration in the lungs, enhancing the amount of oxygen transported to the body's tissues. One standard method of delivering supplemental oxygen is through a nasal cannula, a non-invasive device that provides low to medium oxygen concentrations. Nasal Cannulas A nasal cannula is a lightweight tube split into two prongs placed in the nostrils, connected...
03:14
Notch Signaling Pathway
0 Views •
2021
The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule. The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not until 1985...
03:14
Notch Signaling Pathway
0 Views •
2023
The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule. The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not until 1985...
FAQs
The notch serves as a fixed rotational reference on the guide cannula. Researchers can use that visible mark to return the cannula and injection apparatus to the same orientation during implantation and later infusions. This reduces uncertainty caused by changing rotational alignment and supports more consistent delivery of experimental agents to the intended brain region.
Rotational consistency helps preserve the intended relationship between the cannula, injection apparatus, and targeted brain location. When this orientation is standardized across implantation and infusion sessions, differences in delivery are less likely to arise from inconsistent positioning. That improves the reproducibility of localized neural manipulation when researchers relate brain-region activity or treatment to behavior.
A visible notch provides a practical record of cannula orientation. Researchers can document the reference position and use it to verify that the apparatus was aligned consistently across relevant stages of the experiment. This information strengthens procedural records and helps interpret whether differences in behavioral outcomes may be associated with the intended neural manipulation rather than inconsistent orientation.
The technique supports a clearer link between localized intracranial treatment and behavioral observations by helping standardize how agents reach a targeted brain region. Consistent orientation is particularly relevant when experiments examine learning, motivation, anxiety, pain, or motor control. In these studies, improved procedural consistency can make behavioral comparisons more interpretable.
At a high level, the procedure involves creating a visible notch on the guide cannula, using that mark to establish a reference orientation during implantation, and preserving the same rotational alignment for subsequent intracranial infusions. Researchers then document and verify the orientation as part of the experimental record. The source does not specify additional equipment or notch dimensions.
The reference mark is relevant at both implantation and later infusion stages. During implantation, it helps establish the intended rotational position of the cannula. During subsequent intracranial infusions, the same reference supports alignment of the injection apparatus. Maintaining this connection across stages helps researchers compare behavioral results under more consistent delivery conditions.
Better orientation control can support more reproducible delivery of drugs or other experimental agents to targeted brain regions. That consistency is important when interpreting behavioral changes as consequences of localized neural manipulation. The technique does not by itself establish a behavioral effect; instead, it improves a procedural condition that helps researchers evaluate outcomes more confidently.
The approach is relevant to behavioral neuroscience experiments that use localized brain manipulation to study learning, motivation, anxiety, pain, or motor control. In each application, a consistent cannula reference can support repeated intracranial infusions and clearer documentation of orientation. Its value lies in strengthening procedural reproducibility while researchers examine how targeted neural interventions relate to behavior.