what is narrowing of the right subarticular zone of the spinal canal
neuroforaminal narrowing
10
It means narrowing and/or blocking of a blood vessel or tubular organ.
they stay or hide in the house
Abnormal narrowing of one or more blood vessels.
From what I see in your question, you're talking about the bones in your neck called cervical bones. For the #'s you gave, it would mean there's narrowing or lack of a gap between cervical #5 thru cervical #7. (5-6-7) That's most of the way up from the base of the neck on the backside. Narrowing of spaces where there's usually gaps is caused by wear & tear and aging usually and when the cushions between the bones are shrinking from wearing down or the aging process the consequence is narrowing. In this case on the left sides of C5 thru C7.
stenosis
A subchondral cyst is a fluid-filled sac under the cartilage.
The word for recesses in a wall is niches.
Aortostenosis means narrowing of the aorta.
Subarticular sclerosis is a radiographic finding commonly seen in degenerative joint diseases such as osteoarthritis. It refers to increased bone density or hardening of the bone just beneath the joint surface. This sclerosis can be a result of chronic stress or inflammation in the joint, leading to changes in the bone structure. Subarticular sclerosis is often seen in X-rays and other imaging studies as a sign of joint degeneration.