Answer:
Medullary sinuses contain histiocytes (immobile macrophages) and reticular cells. A lymph node contains lymphoid tissue, i.e., a meshwork or fibers called reticulum with white blood cells enmeshed in it. The regions where there are few cells within the meshwork are known as lymph sinus.
Explanation:
The answer is : Hematologic
Hematologic refers to disorders that affect the blood. In some cases, a blood-related disorders could cause a bruising in your body without a history of any trauma or accident
Fingers, because people are usually messing with electricity and their fingers are by it.
