blood cell
Học thuậtThân thiện
Definition
Noun A blood cell is a cellular component found in blood. In humans and many other animals, the primary types are red blood cells (erythrocytes) and white blood cells (leukocytes). Platelets (thrombocytes) are sometimes included in this general category, though they are cell fragments.
Usage
The term "blood cell" is used in medical, biological, and general contexts to refer to the cells circulating in the blood that are essential for bodily functions like oxygen transport and immune defense. * A doctor examines a blood cell under a microscope. * The main function of a red blood cell is to carry oxygen. * The test measures the number of white blood cells.
Advanced Usage
- "Peripheral blood cell": Refers to blood cells found in the circulating blood, as opposed to those in bone marrow or other tissues. This term is common in clinical reports.
- The peripheral blood cell count was normal.
Variants and Related Words
- Blood corpuscle: A more formal or historical synonym for "blood cell."
- Erythrocyte: The scientific term for a red blood cell.
- Leukocyte: The scientific term for a white blood cell.
- Hematocyte: A general biological term for a blood cell.
- Platelet/Thrombocyte: A small, colorless cell fragment in the blood that aids in clotting. Often grouped with blood cells in discussion.
Synonyms
- Hematocyte
- Blood corpuscle
Related Phrases
- Blood cell count: A common laboratory test that quantifies the different types of cells in a blood sample.
- Her complete blood cell count revealed an infection.
- Blood cell formation: The process by which blood cells are produced (also called hematopoiesis).
- The bone marrow is the site of blood cell formation.
Noun
- either of two types of cells (erythrocytes and leukocytes) and sometimes including platelets