Term
|
Definition
| Erythrocytes also know as red blood cells . make up about 45% of the total blod volume the the most numerous of blood cells . before entering the blood stream they extrude their nucleus and they normally live about 100 to 120 days |
|
|
Term
|
Definition
| Platelets take about 4 to 5 days to develop in the bone marrow . they are peices of a larger cell called a megakaryocyte . they are great at sealing small tears in blood vessels and are instrumental in blodd cloting . they live about 5 to 10 days at most |
|
|
Term
|
Definition
| Leococytes (WBC) these are the white blood cells they are broken down into to class granulocytes ,(Neutrophils ,Eosinophils , Basophil) and the agranulocytes ( Lymphocytes , monocytes) |
|
|
Term
|
Definition
| Neutrophils are the most numberous of the WBC cells they are a granulocyte and take 6-9 days to develop and live anywhere from a few hours to about 9 days they are good at phagocytizing bactria |
|
|
Term
|
Definition
| Eosinophils are a granulocyte WBC they have a double lobed shape nucleus with red specks in them they take 6-9 days to develop live 8-12 days and are good at killing parasitic worms destroying antigen antibody complexes also good at inactivating some imflamitory chemicals of alllergy |
|
|
Term
|
Definition
| Basophils are also a granulocyte and is the least numberous of all the WBC . |
|
|
Term
|
Definition
| Basophils are also a granulocyte and is the least numberous of all the WBC . |
|
|
Term
|
Definition
| lymphocytes are the second most numerous of the WBC's it is an agranulocyte it akes anywhere from days to weeks to mature and can live for hours or up to 10 years . They mount immune responce by direct cell attack or via antibodies |
|
|
Term
|
Definition
| lymphocytes are the second most numerous of the WBC's it is an agranulocyte it akes anywhere from days to weeks to mature and can live for hours or up to 10 years . They mount immune responce by direct cell attack or via antibodies |
|
|
Term
|
Definition
| Monocytes are the larges of the WBC's they have a necleus that looks like it has a bite taken out of it they take two to three days to develop in the bone marrow and live on average five to ten days . When there are a lrge amount of monocytes in the blood stream it is an indecator of an ongoing infection |
|
|
Term
| Total RBC count and toal WBC count |
|
Definition
| Counts are important because you can get a lot of imformation from them it is not good to have too many or too little of any type of blood cell in the body |
|
|
Term
|
Definition
| leukocytosis is too many WBC's in the blood stream this can be an indication of bactirial or viral infection metobabolic disease hemoragge or drug or chemical poisioning |
|
|
Term
|
Definition
| leukocytosis is too many WBC's in the blood stream this can be an indication of bactirial or viral infection metobabolic disease hemoragge or drug or chemical poisioning |
|
|
Term
|
Definition
| leukopenia is a low white blood cell count could indicate typhoid fever , measles, excessive antibiotic use or x-ray theropy a person with leukopenia lacks a proper immune response |
|
|
Term
|
Definition
| leukemia is a malignant disorder of the lymph tissues charactorize by an uncontrolled proliferation of abnormal WBC's |
|
|
Term
|
Definition
| A differentail WBC count is to count nad catorgorize the different types of white blood cells |
|
|
Term
|
Definition
| A differentail WBC count is to count nad catorgorize the different types of white blood cells |
|
|
Term
|
Definition
| A hematocrit test is also refered to as a packed cell volume it is routinely done when anemia is suspected a normal count for men is 47 +or _ 7 and for females is 42 + or _ 5 % |
|
|
Term
| Hemoglobin concentration determination |
|
Definition
| a hemoglobin concentration determination this test is done to determine how much oxygen is in the blood a normal blood contains 12 to 18 g of hemoglobin per 100ml of blood you have two ways of determining this one the hemoglobinometer method by using a meter that uses light for you to match up the color to determine the degree of oxygenation and there is the tallquist method you use test paper and match the color on a scale provided |
|
|
Term
|
Definition
| Sedamintation rate is how long it takes for RBC to settle to the bottom of a tube if left undisturbed 6mm/hr for adults averaging mor around 3 and for infants 0 to 8 mm/hr there are three stages rouleax formation , rapid settleing, and final packing a very high sedimatation rate may indicate infectiuos conditions ar tissue damage accoring somewhere in the body |
|
|
Term
|
Definition
| coagulation time or clotting time this is the time it take for the chemicals that help us retain hemostasis take to work these chemicals are ,,,platelets release tissue factor and PF3 this will trigger a clotting mechonism or cascade along with other protein clotting factors it forms prothrombin activator which converts prothrobin to thrombin .... throbmin then act emzymatically to polymerize the soluble fibrinogen proteins into fibrin that act act a net and start the clotting process this is one of only two posative feed back loops |
|
|
Term
|
Definition
| the apex of the heart is the pointed end of the heart at the distal ends of the ventricals |
|
|
Term
|
Definition
| the base of the heart is the large uper part of the heart directly inferior to alll the great vessels of the heart |
|
|
Term
|
Definition
| the right and left atria of the heart are the two superior chambers of the heart . The right atria recieves oxygen poor blood from the vena cava veins and the left atria recieves oxygen rich blood from the pluminary veins |
|
|
