Volkmann Canals
Volkmann Canals - 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.
10:52
Microelectrode Guided Implantation of Electrodes into the Subthalamic Nucleus of Rats for Long-term Deep Brain Stimulation
0 Views •
Cited by 8 •
2015
A method for implanting electrodes into the subthalamic nucleus (STN) of rats is described. Better localization of the STN was achieved by using a microrecording system. Furthermore, a stimulation set-up is presented that is characterized by long-lasting connections between the head of the animal and the stimulator.
FAQs
Their physiological importance comes from linking vascular spaces associated with neighboring osteons to the bone’s outer and inner surfaces. Blood vessels and nerves can therefore pass through the lamellar matrix, supporting nutrient delivery and signaling for osteocytes. This connectivity helps living compact bone remain responsive to injury, remodeling demands, and mechanical loading.
Their crosswise or angled course distinguishes them from channels that follow the long axis of an osteon. This orientation shows that vascular and neural pathways do not remain confined to one structural unit. Instead, they cross or pass between osteons, providing anatomical evidence of communication across the compact-bone lamellar matrix.
The periosteum and endosteum serve as surrounding surfaces connected with the internal vascular spaces through these channels. By linking those surfaces with osteons, the network gives signals and vascular support a route into or across compact bone. This relationship is relevant when interpreting how bone remains integrated with its surrounding tissues.
These canals provide anatomical pathways through which living bone tissue can remain connected with vessels, nerves, and surrounding surfaces during changing conditions. Their relevance is especially clear when compact bone responds to mechanical loading, injury, or remodeling demands. Studying the connections helps relate microscopic architecture to the broader biological behavior of bone.
Begin by locating channels within the compact lamellar matrix, then assess whether they run transversely or obliquely rather than primarily along an osteon’s length. Trace their apparent relationships with neighboring osteons and with the periosteal or endosteal surfaces. This approach separates perforating canals from longitudinal vascular spaces during structural interpretation.
A useful analysis records the canal’s direction, its position relative to osteons, and whether it appears to connect internal vascular spaces with the periosteum or endosteum. Noting associated blood vessels and nerves adds functional context. Together, these observations show how compact bone is organized as a connected, living tissue rather than as isolated osteons.
They help investigators interpret how internal bone tissue remains connected to surrounding surfaces and vascular pathways after structural disruption. Because the canals carry vessels and nerves through the lamellar matrix, their arrangement provides context for examining communication during injury responses and remodeling. They therefore connect histological observations with questions about bone maintenance and repair.
Their presence demonstrates that compact bone contains an interconnected support system within its dense lamellar architecture. Osteons are not functionally isolated: vascular spaces, nerves, and surrounding bone surfaces remain linked through crossing pathways. In biology and histology, this finding reinforces that compact bone is living tissue capable of communication and adaptation.