Volkman's canal
meatus
A rounded opeing through a bone is called a foramen.
Hervasian canal
An alar canal is a bony tunnel through the basisphenoid bone of the skull, through which the maxillary artery and nerve pass.
" The ulnar canal or ulnar tunnel, also called Guyon's canal, is a space at the wrist between the pisiform bone and the hamatebone through which the ulnar artery and the ulnar nerve travel into the hand. " It is on Wikipedia.
Meatus-A body opening or passage, such as the opening of the ear or the urethral canal. *American Heritage Dictionary
It's called the Central Canal. The Central Canal contains Nerves and Blood Vessels.
Bone cells surround Haversian canals. Osteon (Haversian system) is the structural unity of bone. Spaces for osteocytes are called lacunae. The matrix is present in concentric rings called lamellae. Canaliculi are canals that join lacunae with the central Haversian canal (central canal)
An alar foramen is the opening at either end of the alar canal, the bony canal through the basisphenoid bone of the skull, through which the maxillary artery and nerve run.
Canaliculi. More info could be found on websites below.
why does spongy bone lack osteonic canal
a nutrient foramen