How to spot abnormal red blood cells (RBC) morphology in the blood smear? Learn about different shapes (elliptical, sickle, etc.) and causes.

2013年3月9日 · The classic morphology in ACD is of unremarkable RBCs, while iron deficiency shows anisocytosis, anisochromia, and elliptocytosis, and thalassemia trait demonstrates target cells and coarse basophilic stippling.

2018年4月30日 · Red blood cells (erythrocytes) are biconcave disks with a diameter of 7-8 microns, which is similar to the size of the nucleus of a resting lymphocyte. In normal red blood cells, there is an area of central pallor that measures approximately 1/3 the diameter of the cell.

2022年11月14日 · Erythrocytes, red blood cells (RBC), are the functional components of blood responsible for transporting gases and nutrients throughout the human body. Their unique shape and composition allow for these specialized cells to carry out their essential functions.

2022年3月7日 · Red blood cells have different morphological variations depending upon following type of inclusion bodies : Howell-Jolly bodies : Small round cytoplasmic red cell inclusion with same staining characteristics as nuclei.

Poikilocytosis is a general term for the presence of abnormally shaped red blood cells. Shows marked anisocytosis and poikilocytosis. Shows many erythrocytes in elliptical or oval shape. Shape: Bull’s eye; central concentration of hemoglobin surrounded by a colorless area with a peripheral ring of hemoglobin resembling bull’s eye.

2023年9月12日 · The Mean Cell Volume (MCV) indicates the average size of red blood cells present in the specimen. An increased MCV indicates that there are a significant number of macrocytes present. A decreased MCV indicates that there are …

Red blood cell morphology is species-dependent. There are also changes that occur in red blood cells that can give us clues as to underlying diseases. Some of these changes can be pathologic in one context (or in one species) or physiologic in another.

In patients with microcytic anemia, RBC morphology can increase or decrease the diagnostic likelihood of thalassemia. In normocytic anemias, morphology can assist in differentiating among blood loss, marrow failure, and hemolysis-and in hemolysis, RBC …

2024年4月6日 · Red blood cells constitute the primary cellular component in blood. Red blood cells that are mature are biconcave discs which have no nucleus and are devoid of most cell organelles , including the lysomes, endoplasmic-reticulum and mitochondria. However, a variety of abnormal erythrocyte morphology can be seen in a variety of medical conditions: