Arterial System

Arterial System

The heart pumps oxygenated blood into artery i.e. arota. All arteries carry oxygenated blood except pulmonary artery. Arota is primary artery, collect oxygenated blood from left ventricle and arota divided into branches, these branches further subdivided. The finally end of arteries in capillary form. 

Artery has tube like structure. 

The wall of artery is consists with three membrane-
 

Tunica adventitia – Outer fibrous membrane.

Tunica media – Middle muscle membrane.

Tunica intima – Inner serous membrane.

Arota consists of following primary branches:

• Ascending Arota
• Arch of Arota
• Thoracic Arota
• Abdominal Arota

Branches of Arota	Region supplied oxygenated blood
Ascending Arota i)        Right and left coronary arteries	Heart
Arch of arota i)        Brachiocephalic trunk ·         Right common carotid artery ·         Right subclavian artery ii)      Left common carotid artery iii)    Left subclavian artery	Right side of head and neck Right upper limb Left side head and neck Left upper limb
Thoracic arota i)        Pericardial arteries ii)      Bronchial arteries iii)    Esophageal arteries iv)    Posterior intercostal arteries	Pericardium Bronchi of lungs Esophagus Intercostal and chest muscles
Abdominal arota i)        Celiac trunk ·         Common hepatic arteries ·         Splenic arteries ii)      Superior mesenteric arteries iii)    Suprarenal arteries iv)    Renal arteries v)      Gonadal arteries ·         Testicular arteries ·         Ovarian arteries	Liver, stomach, duodenum and pancreas Spleen, stomach and pancreas Small intestine Adrenal glands Kidneys Testes (male) Ovary (female)