In fact, scar tissue can restrict many layers of muscle and connective tissue, which can cause varying degrees of pain or discomfort. Scar tissue is weaker, less elastic and more prone to re-injury than normal, healthy tissue, and can lead to chronic pain if it affects the functioning of other structures--especially nerves and blood vessels.
Negative pressure means the pressure in the pipe/duct/room is less so flow would go into the room. These are all gauge pressures, which can be positive or negative since they are merely measuring a relative pressure compared against some constant pressure, typically atmospheric which is about 14.7 psi.
What does âderogatoryâ mean when it shows up on my credit reports? â JUA. The term âderogatoryâ means the information is negative and will likely hurt your ability to qualify for credit or other services. Most commonly it refers to late payments, but also includes other information that indicates credit risk. Settling a debt and not paying it in full as originally agreed is a serious negative issue and would therefore be described as derogatory, for example.