Category:Inflammation
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Neutrophilia
Neutropenia
Eosinophilia
Eosinopenia
- Eosinopenia is a reduction in the number of eosinophils in the blood.
- Occurs as part of the response to corticosteroids;.
- Thought to be associated with the depressive effect of corticosteroids on lymphocytes.
- Secretions of these lymphocytes are thought to stimulate eosinophil production.
Lymphocytosis
- Lymphocytosis is an increase in numbers of lymphocytes in the blood.
- Occurs:
- In tumours in which there is a substantial increase in their number.
- Some of the lymphocytes are immature - lymphoblasts.
- For example, Bovine Leukosis.
- Following adrenaline release in fear, excitement and so on.
- In some cases of chronic infection.
- However, reactive hyperplasia in associated lymph nodes may not correlate with the numbers of circulating lymphocytes.
- Commonly in growing swine.
- In tumours in which there is a substantial increase in their number.
- Possibly associated with aMycoplasma infection.
Lymphopenia
- Lymphopenia is a redcution in the numbers of lymphocytes in the blood.
- Occurs in:
- Viruses that attack the lymphoid system.
- For example:
- Canine Distemper
- Infectious Canine Hepatitis
- Feline Infectious Enteritis
- Bovine Virus Diarrhoea.
- For example:
- Irradiation
- Corticosteroid therapy.
- Selectively suppresses lymphocytic activity, and the inflammatory response in general.
- Viruses that attack the lymphoid system.
- Other immunosuppressive drugs may act in a similar way.
Plasma Cells in Blood
- Plasma cells are rarely observed in blood.
- If many plasma cells are present in blood, it is due to a plasma cell tumour that has begun to metastasise.
Monocytosis
- Monocytosis -is an increase in numbers of monocytes (haematogenous macrophages) in the blood.
- Occurs:
- In conjunction with neutrophilia in fear, excitement etc.
- In the chronic stages of bacterial disease.
- Monocytes very rarely behave as macrophages in the blood.
- However, this is seen in cases of severe intravascular haemolysis of red blood cells where remnants of the RBC's are found in their cytoplasm.
Subcategories
This category has the following 2 subcategories, out of 2 total.
Pages in category "Inflammation"
The following 2 pages are in this category, out of 2 total.