GENERAL HISTOLOGY

BONE

COMPACT BONE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is located in the central canal?
A
Connect Lacunae and osteocytes together
B
provide strength and resilience to bone
C
blood vessels and nerves
D
To manage the bone
Explanation: 

Detailed explanation-1: -The central canal (also known as spinal foramen or ependymal canal) is the cerebrospinal fluid-filled space that runs through the spinal cord. The central canal lies below and is connected to the ventricular system of the brain, from which it receives cerebrospinal fluid, and shares the same ependymal lining.

Detailed explanation-2: -The central canal of the spinal cord contains cerebrospinal fluid (CSF). CSF constitutes ventricles in the brain. Ventricles are communicating network of cavities in the brain which are filled with CSF.

Detailed explanation-3: -The central canal is a structure of compact bone and is located in the middle of the osteon, the structural unit of compact bone. It is surrounded by concentric lamellae, which is a calcified bone matrix. Contained within the central canal are the blood vessels, lymphatic vessels, and nerves.

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