Now, another part that I want to highlight on the head of the femur is this depression right here that is used for the attachment of this ligament that is cut right here. This is the head of the femur ligament.
Groupings. The granular leukocytes are the neutrophils, the eosinophils and the basophils. The agranular cells are the monocytes and the lymphocytes. The basis for the division of the white blood cells into these two groups is the presence of granules inside the granular cells.
1 White Blood Cells: White blood cells, also known as leukocytes, make up a very small percentage of the total number of cells in the bloodstream, but have important functions in the bodyâs immune system. 2  There are two major classes of white blood cells: granular leukocytes and agranular leukocytes. Venules are similar to arterioles as they are small vessels that connect capillaries, but unlike arterioles, venules connect to veins instead of arteries. 2  Venules pick up blood from many capillaries and deposit it into larger veins for transport back to the heart.