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A blood smear is made by placing a drop of blood on one end of a slide, and using a spreader slide to disperse the blood over the slide's length. The aim is to get a region, called a monolayer, where the cells are spaced far enough apart to be counted and differentiated.
mean 7 × 10 −11: maximum <20 × 10 −11: Globulin: total 2.2-4 × 10 −2: alpha-1-Globulin 1-4 × 10 −3: alpha-2-Globulin 4-10 × 10 −3: beta globulin: 5-12 × 10 −3: gamma globulin: 6-17 × 10 −3: Glucagon: range 5-15 × 10 −11: mean 7.1-7.9 × 10 −11: Glucosamine: fetus 4-6 × 10 −4: 4.2-5.5 × 10 −4: child 5-7 × 10 −4 ...
A blood cell (also called a hematopoietic cell, hemocyte, or hematocyte) is a cell produced through hematopoiesis and found mainly in the blood. Major types of blood cells include red blood cells (erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes).
Diagram showing the development of different blood cells from haematopoietic stem cell to mature cells. Haematopoiesis (/ h ɪ ˌ m æ t ə p ɔɪ ˈ iː s ɪ s, ˌ h iː m ə t oʊ-, ˌ h ɛ m ə-/; [1] [2] from Ancient Greek αἷμα (haîma) ' blood ' and ποιεῖν (poieîn) ' to make '; also hematopoiesis in American English, sometimes h(a)emopoiesis) is the formation of blood ...
The hemocytometer (or haemocytometer, or Burker's chamber) is a counting-chamber device originally designed and usually used for counting blood cells. [ 1 ] The hemocytometer was invented by Louis-Charles Malassez and consists of a thick glass microscope slide with a rectangular indentation that creates a precision volume chamber.
Blood is circulated around the body through blood vessels by the pumping action of the heart. In animals with lungs, arterial blood carries oxygen from inhaled air to the tissues of the body, and venous blood carries carbon dioxide, a waste product of metabolism produced by cells, from the tissues to the lungs to be exhaled.
A complete blood count (CBC), also known as a full blood count (FBC), is a set of medical laboratory tests that provide information about the cells in a person's blood.The CBC indicates the counts of white blood cells, red blood cells and platelets, the concentration of hemoglobin, and the hematocrit (the volume percentage of red blood cells).
Hematology analyzers (also spelled haematology analysers in British English) are used to count and identify blood cells at high speed with accuracy. [1] [2] [3] During the 1950s, laboratory technicians counted each individual blood cell underneath a microscope.