czwartek, 19 października 2017
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EN_00957730_3143 PHO
Cross-section of a coronary artery showing plaque build-up and narrowing. Erythrocytes are squeezing forward and the heart is visible behind the artery.
EN_00957730_3144 PHO
Cross-section of a coronary artery showing plaque build-up and narrowing. Erythrocytes are squeezing forward and the heart is visible behind the artery.
EN_00957730_3145 PHO
Cross-section of a coronary artery showing plaque build-up, narrowing and clot, resulting in a myocardial infarction (heart attack).
EN_00957730_3146 PHO
Cross-section of a coronary artery showing plaque build-up, narrowing and clot, resulting in a myocardial infarction (heart attack).
EN_00957730_3147 PHO
Cross-section of a coronary artery showing plaque build-up, narrowing and clot, resulting in a myocardial infarction (heart attack).
EN_00957730_3148 PHO
Cross-section of a coronary artery showing plaque build-up, narrowing and clot, resulting in a myocardial infarction (heart attack).
EN_00957730_3149 PHO
Cross-section of a coronary artery showing plaque build-up, narrowing and clot, resulting in a myocardial infarction (heart attack).
EN_00957730_3340 PHO
Artist's depiction of a targeted radiation beam destroying a malignant tumor.
EN_00957730_3341 PHO
A stylized depiction of the destruction/alteration of the genetic code by a malignant tumor.
EN_00957730_3342 PHO
A stylized depiction of the destruction/alteration of the genetic code by a malignant tumor; also shown are some of the organs that are most affected by genetic disposition to cancer.
EN_00957730_3343 PHO
This illustration depicts a male figure and molecular DNA. The cascade of foreground molecules at the top represents the molecular structure of the four nucleotides present in the organic base pairs of DNA: thymine, cytosine, guanine and adenine. Molecules at the bottom represent the phosphate and deoxyribose groups of nucleotides which form the chain that bonds all the nucleotides together in the DNA double-helix.
EN_00957730_3344 PHO
This illustration depicts molecular DNA. The cascade of foreground molecules at the top represents the molecular structure of the four nucleotides present in the organic base pairs of DNA: thymine, cytosine, guanine and adenine. Molecules at the bottom represent the phosphate and deoxyribose groups of nucleotides which form the chain that bonds all the nucleotides together in the DNA double-helix. The background represents a human cell.
EN_00957730_3345 PHO
This illustration depicts molecular DNA. The cascade of foreground molecules at the top represents the molecular structure of the four nucleotides present in the organic base pairs of DNA: thymine, cytosine, guanine and adenine. Molecules at the bottom represent the phosphate and deoxyribose groups of nucleotides which form the chain that bonds all the nucleotides together in the DNA double-helix. The background represents a human cell.
EN_00957730_3346 PHO
An ' stylized depiction of a retrovirus, consisting of a geomic nucleic acid, RNA or DNA (here RNA, in violet), and surrounded by capsid proteins (orange-yellow), surrounded by a glycoprotein envelope. Examples of retroviruses are the flu virus, the AIDS virus, and the SARS virus (depicted here). Viruses can only reproduce by invading and taking over other cells, as they lack the cellular machinery for self-reproduction.
EN_00957730_3347 PHO
An illustration of the key component of the nervous system, the neuron. Neurons have a large number of extensions called dendrites; branches of the neuron cell body that can be long, or very short to act as chemical message receivers from other neurons. The main extension here is the axon, the purpose of which is to transmit electro-chemical signals from one neuron to another neuron. Long axons are covered by a myelin sheath, a fatty substance that covers the axon and insulates it. Shown here is the connection between one neuron (center) and a foreground neuron body. At the end of the axon ending, the bouton, a synapse with the dendrite of the foreground cell is taking place. Across this synapse, very small neurotransmitters (red) cross this gap into the next neuron, creating the nervous system message transferral system.
EN_00957730_3348 PHO
An illustration of the key component of the nervous system, the neuron; human brain in the background. Neurons have a large number of extensions called dendrites; branches of the neuron cell body that can be long, or very short to act as chemical message receivers from other neurons. The main extension here is the axon, the purpose of which is to transmit electro-chemical signals from one neuron to another neuron. Long axons are covered by a myelin sheath, a fatty substance that covers the axon and insulates it. Shown here is the connection between one neuron (center) and a foreground neuron body. At the end of the axon ending, the bouton, a synapse with the dendrite of the foreground cell is taking place. Across this synapse, very small neurotransmitters (red) cross this gap into the next neuron, creating the nervous system message transferral system.
EN_00957730_3349 PHO
Illustration depicting the human heart.
EN_00957730_3350 PHO
Illustration depicting a technique for treatment of vertebral compression fracture called balloon kyphoplasty. This minimally invasive treatment can relieve pain and improve quality of life in patients with these fractures.
EN_00957730_3351 PHO
This is an illustration of a vertebral compression fracture.
EN_00957730_3352 PHO
Illustration depicting the human heart.

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