Vascular Histology

1.A 45 years old man was brought to the hospital with a fracture of the shaft of the humerus. On examination, he had impairment of extension of the wrist. There was also loss of cutaneous sensation on the dorsum of the fore arm and lateral aspect of dorsum of hand and lateral digits. With your knowledge of anatomy, answer the following questions:  Name the structure involved at the site of fracture  Mention its origin, course and distribution  Mention its branches at different levels.  Mention the reason for loss of cutaneous sensation in the areas mentioned  Name the accompanying blood vessel at the site of fracture. (1+4+ 2½+1½+1)

1.Illustrate and describe the microscopic anatomy of the large artery and medium-sized artery highlighting how their structure is suited for their function

2.Describe the various types and structure – function correlation of blood vessels

1.Explain the structural and functional differences between elastic and muscular arteries

1.Layers in a medium sized artery

2.End arteries