Identify the blood vessel indicated by the arrow.  

Identify the white blood cell in the image below

Identify the blood vessels indicated by the arrows.  

Identify the structure surrounded by the red circle in the image below.   

Identify the vessel indicated by the letter “A”  

Identify the blood vessels at the tip of the arrow labeled “A” in the circle of Willis.                            

Identify the vessel at the tip of the arrow labeled “A”. 

Identify white blood cell in the tissue slide below.  

Identify the blood vessels at the tip of the  arrow labeled “C”.   

Identify the structure indicated by the green arrow.