Blood to carry oxygen

The present study was undertaken to record the incidence and etiologies of anaemia in sheep and goats presented to Veterinary Hospital, Veterinary College and Research Institute, Namakkal in Tamil Nadu.

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Apheresis technology is used for the collection of multiple units of platelets from a single donor. These single-donor apheresis platelets (SDAP) contain the equivalent of at least six units of RD platelets and have fewer contaminating leukocytes than pooled RD platelets. Plasma may also be collected by apheresis. Plasma derivatives such as albumin, intravenous immunoglobulin, antithrombin, and coagulation factor concentrates are prepared from pooled plasma from many donors and are treated to eliminate infectious agents.

5p thanhongan 07-12-2010 78 3   Download

Developmental Biology of Hematopoietic Stem Cells During development, blood cells are produced at different sites. Initially, the yolk sac provides oxygen-carrying red blood cells, and then several sites of intraembryonic blood cell production become involved. These intraembryonic sites engage in sequential order, moving from the genital ridge at a site where the aorta, gonadal tissue, and mesonephros are emerging to the fetal liver and then, in the second trimester, to the bone marrow and spleen.

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Distinguishing Cardiovascular from Respiratory System Dyspnea If a patient has evidence of both pulmonary and cardiac disease, a cardiopulmonary exercise test should be carried out to determine which system is responsible for the exercise limitation. If, at peak exercise, the patient achieves predicted maximal ventilation, demonstrates an increase in dead space or hypoxemia (oxygen saturation below 90%), or develops bronchospasm, the respiratory system is probably the cause of the problem.

7p ongxaemnumber1 29-11-2010 70 4   Download