Originating within another
Answer:
CD4 cells are a type of immune cell found in the human body. These cells protect us from infections. CD4 count is a measurement of the number of CD4 cells in a blood sample. It is also used to monitor the progression of HIV infection.
In an HIV-negative adult, the normal range of CD4 count is 500-1500 mm3.
In AIDS there is the destruction of the blood CD4 lymphocytes by the virus.
Explanation:
CD4 cells are a type of immune cell that is found in the blood. This cell count is a measure of the number of these cells in a milliliter of blood. It is an important indicator of immune health.
When the CD4 count gets lower than 200 mm3 the patient is more prone to get opportunistic infections like rare fungal infections, Tuberculosis, Mycobacterial infections, parasitic infections, etc.
The CD4 count is used to measure to identify an immune deficiency in people.
#SPJ4
brainly.com/app/ask?q=CD4+count
Tumor can be form in any region of the brain .
<h3>What is Tumor?</h3>
An abnormal mass of the tissues that forms when cells grow and divide more than they should or do not die when they should . Tumor can be benign or malignant , Benign tumor can be large but do not spread all over the body but malignant tumor spread all over the body.
Brain tumor can form in any part of the brain but there are some certain regions where specific tumors form. Meningiomas form in the meninges , the protective lining of the brain. Pituitary tumors develop in the pituitary gland.
to learn more about Tumor click here brainly.com/question/14143650
#SPJ4