To destroy worn-out red blood cells and to liberate hemoglobin

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What has a hemolytic function?
Which term means a medication which kills or damages cells?
What happens to hemoglobin when erythrocytes wear out and are destroyed quizlet?
What is an agent that destroys or inhibits the growth of fungi?

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Anemia is a condition in which the body does not have enough healthy red blood cells. Red blood cells provide oxygen to body tissues.

Normally, red blood cells last for about 120 days in the body. In hemolytic anemia, red blood cells in the blood are destroyed earlier than normal.

The bone marrow is mostly responsible for making new red cells. Bone marrow is the soft tissue in the center of bones that helps form all blood cells.

Hemolytic anemia occurs when the bone marrow isn't making enough red cells to replace the ones that are being destroyed.

There are several possible causes of hemolytic anemia. Red blood cells may be destroyed due to:

An autoimmune problem in which the immune system mistakenly sees your own red blood cells as foreign substances and destroys them
Genetic defects within the red cells (such as sickle cell anemia, thalassemia, and G6PD deficiency)
Exposure to certain chemicals, medicines, and toxins
Infections
Blood clots in small blood vessels
Transfusion of blood from a donor with a blood type that does not match yours

You may not have symptoms if the anemia is mild. If the problem develops slowly, the first symptoms may be:

Feeling weak or tired more often than usual, or with exercise
Feelings that your heart is pounding or racing
Headaches
Problems concentrating or thinking

If the anemia gets worse, symptoms may include:

Lightheadedness when you stand up
Pale skin
Shortness of breath
Sore tongue
Enlarged spleen

Treatment depends on the type and cause of the hemolytic anemia:

In emergencies, a blood transfusion may be needed.
For immune causes, medicines that suppress the immune system may be used.
When blood cells are being destroyed at a fast pace, the body may need extra folic acid and iron supplements to replace what is being lost.

In rare cases, surgery is needed to take out the spleen. This is because the spleen acts as a filter that removes abnormal cells from the blood.

Outcome depends on the type and cause of hemolytic anemia. Severe anemia can make heart disease, lung disease, or cerebrovascular disease worse.

Contact your health care provider if you develop symptoms of hemolytic anemia.

Brodsky RA. Paroxysmal nocturnal hemoglobinuria. In: Hoffman R, Benz EJ, Silberstein LE, et al, eds. Hematology: Basic Principles and Practice. 7th ed. Philadelphia, PA: Elsevier; 2018:chap 31.

Gallagher PG. Hemolytic anemias: red blood cell membrane and metabolic defects. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 152.

Kumar V, Abbas AK, Aster JC. Hematopoietic and lymphoid systems. In: Kumar V, Abbas AK, Aster JC, eds. Robbins Basic Pathology. 10th ed. Philadelphia, PA: Elsevier; 2018:chap 12.

Updated by: Todd Gersten, MD, Hematology/Oncology, Florida Cancer Specialists & Research Institute, Wellington, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

What has a hemolytic function?

The spleen has the hemolytic function of destroying worn-out erythrocytes (red blood cells) and releasing their hemoglobin for reuse ( hem/o means blood, and -lytic means to destroy).

Which term means a medication which kills or damages cells?

Chemotherapy kills cells that are in the process of splitting into 2 new cells. Body tissues are made of billions of individual cells.

What happens to hemoglobin when erythrocytes wear out and are destroyed quizlet?

macrophages in the spleen phagocytize ruptured and worn out red blood cells, globin and heme of hemoglobin are split apart and globin is broken down into aminoacids and then release in the bloodstream.