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Yellow bone marrow
Inactive bone marrow is called "yellow bone marrow". It is the chief form of bone marrow in the medullary cavity of adult bones that are no longer hemopoietically active, such as the long bones of the arms, legs, fingers, and toes. In these bones, the red bone marrow has been replaced completely by fat... The yellow bone marrow retains its hemopoietic potential, however, and when necessary, as after severe loss of blood, it can revert to red bone marrow.
Sayfa 302 - e-kitap
Most of the tumors of endocrine gland are hormonally active and are responsible for hormone overproduction. However, some tumors of endocrine glands do not produce hormones but compress neighboring organs or cause destructions of other organs due to metastasis. An example of such a tumor is thyroid cancer that can metastasize throughout the body without presenting signs of thyroid hormone overproduction (hyperthyroidism).
Sayfa 754
Cardiac Arrest
In the sudden cessation of normal heart rhythm leading to abrupt cessation of blood circulation called "cardiac arrest", the conducting system of the heart fails to produce or conduct electrical impulses that cause the heart to contract and supply blood to the body. Sudden cardiac arrest is a medical emergency; first-aid treatment such as cardiopulmonary resuscitation (CPR) and defibrillation (delivering a dose of electrical energy to the heart) can improve the chances of survival. If not treated, cardiac arrest leads to sudden cardiac death.
Sayfa 406 - e-kitap
Red bone marrow
Even in hemopoietically active bone marrow in adult humans -such as that in the ribs, vertebrae, pelvis, and shoulder girdle- about half of the bone marrow space is occupied by adipose tissue and half by hemopoietic tissue.
Sayfa 302 - e-kitap
Although lymphocytes continuously proliferate in the peripheral lymphatic organs, the bone marrow remains the primary site of lymphopoiesis in humans.
Sayfa 301 - e-kitap
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