Definition

1. Noun:
   • Hemoglobin: A protein in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs. This is the primary and most common meaning.

Usage Examples

• Noun:
  • Huyết cầu tố là thành phần quan trọng trong hồng cầu. (Hemoglobin is an important component in red blood cells.)
  • Xét nghiệm máu cho thấy chỉ số huyết cầu tố của bệnh nhân thấp. (The blood test shows the patient's hemoglobin level is low.)

Advanced Usage

• Oxyhemoglobin: This is a specific form of hemoglobin. When hemoglobin binds with oxygen in the lungs, it becomes oxyhemoglobin. While sometimes used interchangeably in general contexts, in precise scientific language, refers to the general protein, and (oxyhaemoglobin) is the oxygenated state.
  • Máu động mạch có màu đỏ tươi do chứa nhiều oxyhuyết cầu tố. (Arterial blood is bright red because it contains a lot of oxyhemoglobin.)

Variants and Related Words

• Huyết sắc tố: This is a direct synonym for , also meaning hemoglobin. Both terms are used in Vietnamese medical and scientific contexts.
• Thiếu máu thiếu sắt: Iron-deficiency anemia (a condition often characterized by low hemoglobin).
• Hồng cầu: Red blood cell (erythrocyte), the cell that contains hemoglobin.

Synonyms

• Hemoglobin (English equivalent)
• Hb (Common medical abbreviation)

Related Phrases / Compound Terms

• Nồng độ huyết cầu tố: Hemoglobin concentration/level.
• Bệnh huyết cầu tố: Hemoglobinopathy (a genetic disorder affecting hemoglobin, e.g., sickle cell disease).
• Huyết cầu tố A1c (HbA1c): Glycated hemoglobin, a key measure in diabetes management.

1. Oxyhaemoglobin