Functions and Components of Blood

These flashcards cover key vocabulary and concepts related to the functions and components of blood, as discussed in the lecture notes.

Hematocrit (Hct)

The percentage of red blood cells (RBC) within the whole blood.

Erythropoiesis

The production of red blood cells (erythrocytes).

Hypoxia

A condition in which there is a deficiency of oxygen in the tissues, stimulating the production of erythropoietin (EPO).

Erythropoietin (EPO)

A hormone produced by the kidneys that is essential for the differentiation of erythrocytes.

Blood plasma

The fluid component of blood, which makes up about 55% of blood volume and is primarily composed of water, proteins, and other solutes.

Hemolysis

The breakdown of red blood cells, resulting in the recycling of components such as iron and the production of bilirubin.

Phagocytosis

The process by which certain cells (like neutrophils and monocytes) engulf and digest foreign particles or pathogens.

Colloid osmotic pressure

The pressure created by proteins in the plasma that helps retain fluid within the blood vessels.

Neutrophils

A type of white blood cell and phagocyte that is the body's first line of defense in an immune response.

Albumins

Major plasma proteins that help maintain oncotic pressure and transport substances in the blood.