Large-Sized Artery

Large-Sized Artery

“What is a large-sized artery? A detailed question and answers guide”

Histology of Large-Sized Artery
Answer:

• Large arteries in human body

• Large sized arteries include the aorta, carotid arteries, subclavian, axillary, iliac artery
• The wall of it is made up of
  1. Tunica intima
     • It is innermost layer
     • It consists of
       • An endothelial lining
       • Thin layer of glycoprotein called nasal lamina
       • Subendothelial connective tissue containing elastic fibres
     • In it internal elastic lamina is not distinct as in medium sized artery
  2. Tunica media
     • It is made up of mainly elastic tissue
     • This tissue is arranged in the form of series of concentric membranes
     • Between these membranes there is presence of loose connective tissue
     • This layer is limited outside by external elastic lamina made up of elastic fibres
  3. Tunica adventitia
     • It is relatively thin containing large amount of elastic fibres
     • These fibres merge with the external elastic lamina

“Importance of studying large-sized arteries for medical students: Questions explained”