Search results
Results from the WOW.Com Content Network
Basophils contain large cytoplasmic granules which obscure the cell nucleus under the microscope when stained. However, when unstained, the nucleus is visible and it usually has two lobes . [ 7 ] The mast cell , another granulocyte, is similar in appearance and function.
basophil granulocytes; anterior pituitary basophils; An abnormal increase in basophil granulocytes is therefore also described as basophilia. [2] The opposite of basophilic structures are acidophilic structures, also called eosinophilic. These structures contain many positive charges and are thus strongly stained by anionic dyes like eosin.
In most cases, a positive skin test is used in identification of allergies, but the activation of basophilic granulocytes with anti-IgE, the expression of the CD63 antigen on the cell surface (plasma membrane) allows identification of the allergen responsible for the hypersensitivity reaction without performing the common scratch test. Only a ...
Hyaline cartilage coloured with the toluidine blue, in wich you can observe a strong metachromasia of the ground substance. View through optical microscope, 40x magnification. Metachromasia (var. metachromasy ) is a characteristic change in the color of staining carried out in biological tissues , exhibited by certain dyes when they bind to ...
There are four types of granulocytes (full name polymorphonuclear granulocytes): [3] Basophils; Eosinophils; Neutrophils; Mast cells; Except for the mast cells, their names are derived from their staining characteristics; for example, the most abundant granulocyte is the neutrophil granulocyte, which has neutrally staining cytoplasmic granules.
A white blood cell differential is a medical laboratory test that provides information about the types and amounts of white blood cells in a person's blood. The test, which is usually ordered as part of a complete blood count (CBC), measures the amounts of the five normal white blood cell types – neutrophils, lymphocytes, monocytes, eosinophils and basophils – as well as abnormal cell ...
How long can you test positive for COVID-19? Most people will stop testing positive on a rapid antigen COVID-19 test within about 10 days, Cardona says. "Within 10 days after your initial positive ...
An anterior pituitary basophil is a type of cell in the anterior pituitary which manufactures hormones. It is called a basophil because it is basophilic (readily takes up bases), and typically stains a relatively deep blue or purple. [1] These basophils are further classified by the hormones they produce.