Blood
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51 terms
Terms | Definitions |
|---|---|
 what are the 2 portions to blood | formed elements and plasma |
| formed elements | solid portion is 45% the volume of blood |
| plasma | liquid blood is 55% the volume of blood |
| if formed elements are removed from blood what are you left with | plasma |
| hemopoiesis | process of forming blood |
| another name for hemopoiesis | hematopoiesis |
| what are the 3 formed elements | red blood cells, white blood cells, and platelettes or thrombocytes |
| Red Blood Cells | Most numerous of formed elements |
| shape of red blood cells | biconcave (caved in on both sides) |
| life span of red blood cells | 120 days |
| function of red blood cells | transports oxyen (nutrients) and co2 (waste) |
| erythropoiesis | process of forming red blood cells which occurs in red bone marrow |
| a mature red blood cells lacks what | a nucleus |
| another name for a Red Blood Cell | Erythrocyte |
| hemoglobin is responsible for what | the red color in blood |
| what are the 2 portions of blood | heme and globin |
| what is Heme | non-protein that contains iron, and imports the red color |
| what is globin | the Protein part of hemoglobin |
| Oxy-hemoglobin is formed when | hemoglobin combines with oxygen (o2) |
| Carbamino-hemoglobin is formed when | hemoglobin combines with co2 |
| Carboxy-hemoglobin is formed when | hemoglobin is combined with carbon monoxide "cherry red color" |
| crenation | the shrinking of red blood cells which occurs in hypertonic solution |
| hemolysis | the sweling and bursting of red blood cells which occurs in a hypotonic solution |
| White Blood Cells | have a nucleus but lacks hemoglobin |
| function of white blood cells | helps fight infection or disease |
| life span of a white blood cell | varies with each blood cell |
| 2 groups of white blood cells | granulocytes and Agranulocytes |
| 3 types of granulocytes | Nutrophiles, eosinophils, and basophiles |
| 2 different names for nutrophiles | polys or polymorpho neuclear lucocytes |
| another name for eosinophiles | acidophiles |
| nutriphiles | are the most numerous of all white blood cells; they digest harmful bacteria |
| eosinophiles | increase in the number in allergic condition; they release histamines |
| basophiles | increase during chronic infection and during healing from the infection |
| Agranulocytes | no granules in the cyotplasm. develops in myeloid tissue and lymphoid tissue |
| 2 types of Agranulocytes | lympocytes and monocytes |
| lymphocytes | will increase if you have viral infection; they also help form antibodies at the site of inflammation |
| monocytes | digest cellular debris and foreign particles; think of them as the clean up crew |
| another name for white blood cells | Leucocytes |
| leucocytosis | increase in white blood cells |
| leucopoiesis | process of forming white blood cells |
| leucopenia | lack of white blood cells |
| diapedesis | movement of white blood cells through an unbroken capillary |
| Platelets or Thrombocytes | they do not have a nucleus and they are the smallest of the formed elements |
| platelets or thrombocytes develop in | red bone marrow |
| function of platelets or thrombocytes | helps prevent hemorrhage through clotting |
| Plasma | is whats left after formed elements are removed from blood. its straw (amber or yellow) color; a clear yellowish fluid |
| plasma carries | nutirents, waste products, antibodies, clotting proteins called clotting factors, hormones, and proteins |
| Serum | plasma minus the clotting proteins. fluid that remains after a clot has formed |
| Coagulation | the process of forming a clot |
| substances that promote clotting | thromboplastin, prothromboplastin, calcium, fibrogen, and vitamin k |
| sibstances in blood that prohibit clotting are | antithrombin, and antiprothrombin |
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