Haversian Canal
Haversian Canal - Related Videos
06:26
Capturing Flow-weighted Water and Suspended Particulates from Agricultural Canals During Drainage Events
0 Views •
Cited by 2 •
2017
Nutrients present in particulate form can contribute significantly to the overall loads in agricultural drainage waters. This study describes a novel method to capture flow-weighted water and suspended particulates from farm canal drainage over the entire duration of the drainage event.
08:38
Testing of all Six Semicircular Canals with Video Head Impulse Test Systems
0 Views •
Cited by 26 •
2019
This protocol describes how to correctly perform the video head impulse test with two separate test systems commonly used worldwide. Both the 2D and 3D video head impulse test methods are described.
10:30
The C. elegans Excretory Canal as a Model for Intracellular Lumen Morphogenesis and In Vivo Polarized Membrane Biogenesis in a Single Cell: labeling by GFP-fusions, RNAi Interaction Screen and Imaging
0 Views •
Cited by 6 •
2017
The C. elegans excretory canal is a unique single-cell model for the visual in vivo analysis of de novo polarized membrane biogenesis. This protocol describes a combination of standard genetic/RNAi and imaging approaches, adaptable for the identification and characterization of molecules directing unicellular tubulogenesis, and apical membrane and lumen biogenesis.
03:52
Posterior Semicircular Canal Approach for Inner Ear Gene Delivery in Neonatal Mouse
0 Views •
Cited by 37 •
2018
In this study, we describe the posterior semicircular canal approach as a reliable method for inner ear gene delivery in neonatal mice. We show that gene delivery through the posterior semicircular canal is able to perfuse the entire inner ear.
04:36
Canalostomy for Local Drug Delivery into the Inner Ear of an Adult Mouse
0 Views •
2025
This video showcases canalostomy, a procedure that allows local drug delivery into the inner ear of a mouse through the semicircular canal with minimal damage to hearing and vestibular function. This method enables the inoculation of viral vectors, pharmaceuticals, and small molecules into the mouse's inner ear.
FAQs
Haversian canals run longitudinally through individual osteons, whereas Volkmann canals run transversely and connect neighboring osteons with the bone surface. This arrangement creates an interconnected pathway rather than isolated channels. Together, the two canal types help relate the internal organization of compact bone to external regions and support communication among areas containing vessels, nerves, and connective tissue.
Osteocytes occupy lacunae within the concentric lamellae surrounding the canal. Canaliculi connect these spaces, creating narrow pathways between the cells and the canal region. Through this organized network, nutrients and oxygen can reach osteocytes, while metabolic waste can be removed. The arrangement links cellular spaces to the osteon’s central support pathway without disrupting the layered structure.
The small blood vessels provide a route for delivering oxygen and nutrients needed for bone-cell maintenance, while also supporting removal of metabolic waste. Nerves contribute a sensory function within the compact-bone microanatomy. Connective tissue occupies the same channel and helps organize these components. Their presence makes the canal relevant to both tissue maintenance and sensory biology.
Concentric lamellae form the layered organization around the central canal, while lacunae and canaliculi are distributed through those layers. This arrangement places osteocytes within a structured network connected toward the canal. Studying the relationship shows how compact bone combines mechanical organization with pathways for cellular support, rather than treating the osteon as a simple solid cylinder.
Their position within osteons provides a recognizable framework for examining how compact bone is organized and maintained over time. Researchers can relate the canal, surrounding lamellae, lacunae, and canaliculi when investigating changes in bone tissue. This microanatomical perspective helps connect cellular maintenance with broader remodeling processes and can reveal how altered organization affects skeletal structure.
Because the canals contain pathways associated with blood supply, nerves, connective tissue, and osteocyte support, their condition provides useful microanatomical context during fracture-repair studies. Investigators can assess the surrounding osteons and cellular pathways while considering how bone tissue is maintained or reorganized. The findings help relate local structure to the broader process of skeletal recovery.
Conditions that impair skeletal blood supply can be examined in relation to the small vessels within these canals and the pathways connecting osteons. Reduced support for osteocytes may affect tissue maintenance and waste removal, making the canal network important in disease studies. Its organization also helps researchers distinguish local microanatomical changes from broader disruption of compact-bone structure.