Blood Physiology Lec. 4
Dr. Basim A. Al-Ka’abi
MBChB (Medicine)
MSc, PhD (Medical Physiology)
Vitamin B
12
(cyanocobalamin):
• Structure
• Sources
• Function
Vitamin B
12
(cont’d):
• Importance for RBCs
• “Megaloblasts”
• Storage and daily need
Vitamin B
12
(cont’d):
• Absorption
• “Intrinsic factor”
• Megaloblastic (pernicious) anemia
Folic acid:
• Function
• Deficiency, causes
• Sources
• Storage and need
General functions of blood
Good Luck