howMed Know Yourself
Three hormones play significant role in calcium and phosphate homeostasis: 1. Calcitriol (1,25 dihydroxy cholecalciferol) 2. Parathyroid Hormone (PTH) 3. … Read More »
Regulation of Calcium and Phosphate Levels in the Body
Calcium ion concentration in the extra cellular fluid is regulated precisely and even small changes of about 10% are quite … Read More »
Derivatives of Endoderm (Embryonic Period)
The endoderm germ layer covers the ventral surface of the embryo forming the roof of the yolk sac. The GIT … Read More »
Internal Carotid Artery
The internal carotid artery is one of the two terminal branches of the common carotid artery (the other being the … Read More »
External Carotid Artery
One of the two terminal branches of the common carotid artery, the external carotid artery (the other being the internal … Read More »
Common Carotid Artery
The common carotid artery has separate origins on the left and the right side, arising from the brachiocephalic artery behind … Read More »
Axillary Artery
Axillay artery, a continuation of the subclavian artery, begins at the lateral border of the first rib. At the lower … Read More »
Subclavian Artery
The right and left subclavian arteries have separate origins. The right subclavian artery is one of the two terminal branches … Read More »
Internal Iliac Artery
The internal iliac artery arises from the common iliac artery at the level of the sacroiliac joint. It passes down … Read More »
Common Iliac Arteries
The terminal branches of the aorta are the right and the left common iliac arteries. They arise from the descending … Read More »