![]() ![]() ![]() Internal carotid enters the skull and supplies to the brain and deep structures of the head. Sending a branch to the lymph node the artery divides into two-external and internal and supplies the right side in the anterior region. Right Common carotid runs to the head lying parallel and right to the trachea. Left and right common carotid arise from a common base.Ī. Brachial continues to the extremity of the forelimb and divides into a number of branches. Subscapular supplies upper arm, scapula and thorax.Ĥ. Lateral thoracic supplies muscles of pectoral region. External thoracic supplies pectoral and trapezius muscles and axillary lymph nodes. The portion of the artery beyond the origin of costocervical up to the brachial artery. Costocervical supply the neck, upper part of thoracic wall and diaphragm. Internal thoracic supply the sternal region. Superficial cranial supply the muscles of neck region. Caudal thyroid runs forward obliquely to the left, divides into right and left caudal thyroid, proceed anteriorly by the sides of the trachea, supply the thyroid gland. Vertebral to cranial cavity, paravertebral musculatures and spinal cord. It divides into a lateral branch, the right subclavian artery and a medial short, stout branch forming the base of the right and left common carotids.Īrising from the brachiocephalic artery it runs outward between the first rib and clavicle and sends following branches. Two or three small vessels arise close to the base of ascending aorta and supply blood to the heart.įirst branch of aortic arch. The aortic arch has three portions-the ascending aorta, aortic arch and dorsal aorta. The left aorta (right is absent) arises from the base of the left ventricle, turus left, forms an arch round the left bronchus and runs posterodorsally as the dorsal aorta, through an aperture in the diaphragm. The hepatic portal vein branches in the lobes of the liver.Ī single vein from the right and two veins joining to form one from the left lung, join to form a common pulmonary vein opening in the left atrium. Gastro-duodenal from stomach, pancreas and anterior part of the intestine. Hepatic portal vein is formed by joining of following veins from the visceral organs. The caudal vena cava pierces the diaphragm following a middle course and forms a shallow arch to the right and opens in the right atrium. Caudal abdominal from the posterior abdomen and rectum and joins the common iliac The caudal vena cava in its forward course receives: Common iliac is formed by the joining of two iliacs ![]() Internal iliac from urinary bladder and pelvic region Pseudo gastric from abdominal muscles and urinogenital organs ![]()
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