3D Medical Animations
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The world's largest library of 3D medical animations developed and copyrighted by Blausen Medical Communications. The Human Atlas figures rotating model, labeled slides, and printable text in addition to animated videos.
Shows a video of the selected health topic.
Controls play, pause, and restart of the video.
Shows a summary of the selected health topic.
Controls to scroll the text.
Shows a 3 D model of the video.
Controls to rotate the model.
Shows slides from the video.
Controls to change slides.

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Resource Library

Dorland's Medical Dictionary for Healthcare Consumers allows you to look up definitions for medical terms. Terms are listed as they would appear in a printed dictionary. Click the first letter of the term you are looking for. Previous and Next links are available for you to proceed to the next group of terms in that sequence. Scroll down the listing within that range to find the definition you are seeking. Click on the term to display its definition.

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hemoglobin(Hb)  (he´mo-glo″bin)   the main functional constituent of the erythrocyte, serving as the oxygen-carrying protein; it is a type of hemoprotein in which each molecule contains two pairs of polypeptide chains, the globins, each with an attached heme molecule that contains iron and a protoporphyrin molecule. The iron on a hemoglobin molecule can bind oxygen (see oxyhemoglobin), and hemoglobin is an efficient transport protein. Some hemoglobin compounds are seen in the blood in pathologic states such as carbon monoxide poisoning and methemoglobinemia.
 

hemoglobin A1c  hemoglobin A with a glucose group attached to the amino terminal of the beta chain; it is made at a slow constant rate during the 120-day life span of the erythrocyte. It accounts for 3 to 6 per cent of the total hemoglobin in a normal person and up to 12 per cent in persons with diabetes mellitus. Increased levels correlate with glucose intolerance in diabetics; with good diabetic control its level returns to normal range, so that periodic assays can be helpful in evaluating effective control of diabetes.

glycated hemoglobin  , glycosylated hemoglobin  any of various hemoglobins with glucose attached nonenzymatically; the most common one is hemoglobin A1c. The percentage of hemoglobin that is glycosylated can be assessed over a long period of time as a gauge of blood sugar control; the normal range for a nondiabetic person is between 4 and 6 per cent.

mean corpuscular hemoglobin(MCH)    the average hemoglobin content of an erythrocyte, conventionally expressed in picograms per red cell, obtained by multiplying the blood hemoglobin concentration (in g/dL) by ten and dividing by the red cell count (in millions per mL): MCH = Hb/RBC.





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