entrench (entrenches 3rd person present) (entrenching present participle) (entrenched past tense & past participle) If something such as power, a custom, or an idea is entrenched, it is firmly established, so that it would be difficult to change it. verb.
Types of childhood leukemia include: 1  Acute lymphoblastic leukemia (ALL), also called acute lymphocytic leukemia. 2  Acute myelogenous leukemia (AML). 3  Hybrid or mixed lineage leukemia. 4  Chronic myelogenous leukemia (CML). 5  Chronic lymphocytic leukemia (CLL). 6  Juvenile myelomonocytic leukemia (JMML). tiny number are chronic and develop slowly. Types of childhood leukemia include: 1  Acute lymphoblastic leukemia (ALL), also called acute lymphocytic leukemia. 2  ALL accounts for three out of every four cases of childhood leukemia. 3  Acute myelogenous leukemia (AML). 4  AML is the next most common type of childhood leukemia.
Childhood leukemia, the most common type of cancer in children and teens, is a cancer of the white blood cells. Abnormal white blood cells form in the bone marrow. They quickly travel through the bloodstream and crowd out healthy cells. This increases the body's chances of infection and other problems.