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Describe in detail the site of blood formation in foetus and adults?
In the fetus, blood formation occurs mainly in the liver and spleen during the early stages of development and later shifts to the bone marrow. In adults, blood formation primarily takes place in the red bone marrow of the axial skeleton (such as the sternum, ribs, vertebrae, and pelvis) and proximal epiphyses of the long bones (such as the femur and humerus). The bone marrow contains stem cells that differentiate into various blood cell types, including red blood cells, white blood cells, and platelets.
What is blood platelet plug formation?
Blood platelet plug formation is the process by which platelets in the blood adhere to the site of a damaged blood vessel, become activated, and aggregate to form a plug that helps stop bleeding. This plug is a temporary seal until more permanent blood clotting can occur to heal the damaged vessel.
What is the process of blood formation and where does it occur?
Blood formation, or hematopoiesis, occurs in the bone marrow. This process involves the differentiation of hematopoietic stem cells into various blood cell types, such as red blood cells, white blood cells, and platelets. These cells are then released into the bloodstream to perform their respective functions in maintaining homeostasis and fighting off infections.
Why rouleaux formation does not occur in vivo?
When rouleaux formation is truly present, it is caused by an increase in cathodal proteins, such as immunoglobulins and fibrinogen.And the fibrinogen is not present in blood in vivo*This is not true. Fibrinogen is secreted by liver and is present in blood. The reason rouleaux do not form in vivo is that they only form under low shear stress conditions. With blood flow, the cross-sectional fluid velocity gradient in the blood vessel results in shear stress levels that exceed the threshold for rouleaux formation.
What the process of blood formation?
Hematopoiesis
Where in adults does blood cell production occur?
Red bone marrow
Describe in detail the site of blood formation in foetus and adults?
In the fetus, blood formation occurs mainly in the liver and spleen during the early stages of development and later shifts to the bone marrow. In adults, blood formation primarily takes place in the red bone marrow of the axial skeleton (such as the sternum, ribs, vertebrae, and pelvis) and proximal epiphyses of the long bones (such as the femur and humerus). The bone marrow contains stem cells that differentiate into various blood cell types, including red blood cells, white blood cells, and platelets.
How does urine formation occur?
urine formation begins in the glamerulus where blood moves through afferent arteriole into glamerulus and where filteration begins
What is blood platelet plug formation?
Blood platelet plug formation is the process by which platelets in the blood adhere to the site of a damaged blood vessel, become activated, and aggregate to form a plug that helps stop bleeding. This plug is a temporary seal until more permanent blood clotting can occur to heal the damaged vessel.
Cerebrovascular disease refers to a group of conditions that do what?
Cerebrovascular Disease refers to a group of conditions that come together to collectively affect blood flow to blood vessels in the brain, which can occur from narrowing of blood vessels and even the formation of blood clots.
What is the process of new bone formation in adults?
osteogenesis
How blood clotting prevent inside human body?
Normally the beginning of a blood clot, platelet plug formation, doesn't occur unless the platelets are exposed to the underlying collagen fibers. That doesn't happen unless the blood vessel has been damaged so clots usually only occur in response to a damaged blood vessel.
What is the process of blood formation and where does it occur?
Blood formation, or hematopoiesis, occurs in the bone marrow. This process involves the differentiation of hematopoietic stem cells into various blood cell types, such as red blood cells, white blood cells, and platelets. These cells are then released into the bloodstream to perform their respective functions in maintaining homeostasis and fighting off infections.
Does hemostasis means blood formation?
Hemostasis means control of blood flow. Hematopoeisis means blood formation.
What are the demographics of arachnoid cysts?
Infants are most susceptible to developing arachnoid cysts, although cyst formation can occur up through adolescence. Arachnoid cyst development in adults occurs much less frequently. Arachnoid cysts occur predominantly in males.
What is the difference between blood clot formation and the process of blood agglutination?
what is the difference between blood clot formation and the process of blood agglutination
Why rouleaux formation does not occur in vivo?
When rouleaux formation is truly present, it is caused by an increase in cathodal proteins, such as immunoglobulins and fibrinogen.And the fibrinogen is not present in blood in vivo*This is not true. Fibrinogen is secreted by liver and is present in blood. The reason rouleaux do not form in vivo is that they only form under low shear stress conditions. With blood flow, the cross-sectional fluid velocity gradient in the blood vessel results in shear stress levels that exceed the threshold for rouleaux formation.
