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The Wars Within

An osteoblast, or bone-forming cell, grows on a new type of bone scaffold being developed to repair damaged bones. The scaffold is made of calcium oxide and silicon dioxide with added strontium and zinc to help the bone cells to grow better. Scanning electron microscopy by Dr Guocheng Wang and Dr Zufu Lu, University of Sydney (Australian Microscopy and Microanalysis Research Facility)

An osteoblast, or bone-forming cell, grows on a new type of bone scaffold being developed to repair damaged bones. The scaffold is made of calcium oxide and silicon dioxide with added strontium and zinc to help the bone cells to grow better. Scanning electron microscopy by Dr Guocheng Wang and Dr Zufu Lu, University of Sydney (Australian Microscopy and Microanalysis Research Facility)

Neuron cel lichaam (paars) met tal van synapsen (blauw).  Mededeling van de ene zenuwcel naar de andere stroomt neuron over een synaps, de kleine kloof tussen neuronen.  SEM X80,000.

Neuron cel lichaam (paars) met tal van synapsen (blauw). Mededeling van de ene zenuwcel naar de andere stroomt neuron over een synaps, de kleine kloof tussen neuronen. SEM X80,000.

Blood clot. Coloured scanning electron micrograph (SEM) of a blood clot from the inner wall of the left ventricle of a human heart. Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (cream). The fibrin mesh is formed in response to chemicals secreted by platelets (pink), fragments of white blood cells. Clots are formed in response to cardiovascular disease or injuries to blood vessels. Connective tissue (orange) is also seen

Blood clot. Coloured scanning electron micrograph (SEM) of a blood clot from the inner wall of the left ventricle of a human heart. Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (cream). The fibrin mesh is formed in response to chemicals secreted by platelets (pink), fragments of white blood cells. Clots are formed in response to cardiovascular disease or injuries to blood vessels. Connective tissue (orange) is also seen

A distributing artery,right, and a medium-sized vein,left, surrounded by connective tissue. 	Dr. Richard Kessel & Dr. Randy Kardon/Tissues & Organs/Visuals Unlimited, Inc.

A distributing artery,right, and a medium-sized vein,left, surrounded by connective tissue. Dr. Richard Kessel & Dr. Randy Kardon/Tissues & Organs/Visuals Unlimited, Inc.

A scanning electron microscope picture of a nerve ending. It has been broken open to reveal vesicles (orange and blue) containing chemicals used to pass messages in the nervous system.

A scanning electron microscope picture of a nerve ending. It has been broken open to reveal vesicles (orange and blue) containing chemicals used to pass messages in the nervous system.

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