Common Iliac Arteries
The terminal branches of the aorta are the right and the left common iliac arteries. They arise from the descending abdominal aorta at the level of the fourth lumbar vertebra and move downwards and...
View ArticleInternal Iliac Artery
The internal iliac artery arises from the common iliac artery at the level of the sacroiliac joint. It passes down in the pelvis and on reaching the upper border of the greater sciatic foramen, divides...
View ArticleSubclavian Artery
The right and left subclavian arteries have separate origins. The right subclavian artery is one of the two terminal branches of the brachiocephalic artery, the other being the right common carotid...
View ArticleAxillary Artery
Axillay artery, a continuation of the subclavian artery, begins at the lateral border of the first rib. At the lower border of the teres major muscle, the axillary artery becomes the brachial artery....
View ArticleCommon Carotid Artery
The common carotid artery has separate origins on the left and the right side, arising from the brachiocephalic artery behind the sternoclavicular joint on the right side, while that from the arch of...
View ArticleExternal Carotid Artery
One of the two terminal branches of the common carotid artery, the external carotid artery (the other being the internal carotid artery) supplies the structures within the scalp, face neck, tongue and...
View ArticleInternal Carotid Artery
The internal carotid artery is one of the two terminal branches of the common carotid artery (the other being the external carotid artery), arising at the level of the upper border of the thyroid...
View ArticleDerivatives of Endoderm (Embryonic Period)
The endoderm germ layer covers the ventral surface of the embryo forming the roof of the yolk sac. The GIT is the main organ system derived from the endodermal germ layer. Grey’s Anatomy 20th edition...
View ArticleBirth Defects
Any structural, behavioral or metabolic disorders present at birth are known as birth defects. Other related terms include: a. Teratology/Dysmorphology Branch of science which studies causes,...
View ArticleHuman Fetal Period
The period from the beginning of the ninth week to birth is known as fetal period. During this period, differentiation continues and organs become competent to assume their specialized functions....
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