Hematopoietic System Lecture

Flashcards covering the fundamentals of the hematopoietic system including blood functions, components, and the process of blood cell formation.

__________ is known as the father of physiology and discovered that blood circulated through the body in $1628$.

William Harvey

Blood is described as a fluid __________ tissue present in the circulatory system.

connective

Blood is called the __________ because it carries oxygen from the lungs to all parts of the body and carbon dioxide to the lungs.

FLUID OF LIFE

Blood is called the __________ because it carries nutritive substances from the digestive system and hormones from endocrine glands to all tissues.

FLUID OF GROWTH

Blood is called the __________ because it protects the body against diseases and transports waste products to excretory organs.

FLUID OF HEALTH

__________ is the process of formation from undifferentiated stem cells in the bone marrow of circulating erythrocytes, platelets, and leukocytes.

Haematopoiesis

In normal individuals, the body produces more than __________ new blood cells per day.

$200$ billion

The process of haematopoiesis requires three essential nutrients: __________, __________, and __________.

iron, vitamin $B12$, and folic acid

Proteins that regulate the proliferation and differentiation of haematopoietic cells are known as __________.

hematopoietic growth factors (HGFs)

In adults, __________ marrow is the active site for haematopoiesis, while __________ marrow stores fat.

Red, yellow

The __________ lineage produces erythrocytes, platelets, and leucocytes.

Myeloid

The __________ lineage produces B-lymphocytes, T-lymphocytes, and Natural killer (NK) cells.

Lymphoid

Whole blood consists of __________ at approximately $55\%$ and Red Blood Cells at __________.

Plasma, $45\%$

White Blood Cells and Platelets account for __________ of the volume of whole blood.

$$<1\%$$

Within blood plasma, the proteins present include __________, __________, and fibrinogen.

Albumins, Globulins