Thorax

1. Female breast

   The breasts are paired milk-producing organs in the upper ventral sides of the torso. They contain the mammary glands which secrete milk used to feed infants. More.

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   1. Female breast structure

      Structures of the female breast seen on a sagittal section and anterolateral view.
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   2. Blood vessels of the female breast

      Arteries and veins of the female breast.
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   3. Lymphatics of the female breast

      Lymph vessels and nodes of the female breast.
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2. Mediastinum

   The mediastinum is found in the midline of the thorax and is surrounded by the left and right pleural sacs. Many structures are found within this area. More.

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   1. Contents of the mediastinum

      Contents of the mediastinum seen from the lateral views.
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   2. Lymphatics of the mediastinum

      Lymph nodes and vessels of the mediastinum and thoracic cavity.
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3. Esophagus

   The esophagus is a long fibromuscular tube connecting the pharynx with the stomach. Here we will learn the structures that pass alongside and supply this organ. More.

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   1. Esophagus in situ

      Esophagus in situ seen from the anterior view.
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   2. Blood supply of the esophagus

      Arteries and veins of the esophagus.
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   3. Nerves of the esophagus

      Autonomic innervation of the esophagus.
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4. Lungs

   The lungs are two organs found within the chest cavity that are essential to respiration. There are many important structures associated to these organs. More.

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   1. Lungs in situ

      Lungs in situ seen from the anterior view.
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   2. Medial views of the lungs

      Structures seen on the medial views of the right and left lungs.
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   3. Lateral views of the lungs

      Structures seen on the lateral views of the right and left lungs.
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   4. Trachea and bronchi

      Structures of the trachea and the bronchi seen from the anterior and posterior views.
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   5. Bronchioles and alveoli

      The fine structure of the lungs
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   6. Lymphatics of the lungs

      Lymph nodes and vessels of the lungs.
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5. Heart

   The heart is responsible for pumping blood all over your body. It is a vital organ that has a complex structure made of cardiac tissue and embedded vessels. More.

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   1. Heart in situ

      Heart in situ seen from the anterior view.
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   2. Anterior view of the heart

      Structures seen on the anterior view of the heart.
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   3. Posteroinferior view of the heart

      Structures seen on the posteroinferior view of the heart.
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   4. Right atrium and ventricle

      Structures of the right atrium and ventricle.
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   5. Left atrium and ventricle

      Structures of the left atrium and ventricle.
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   6. Heart valves

      Overview of the heart valves and related structures.
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   7. Coronary arteries and cardiac veins

      Overview of the main coronary arteries and cardiac veins.
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   8. Nerves of the heart

      Autonomic innervation of the heart seen on the anterior view of open thorax.
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   9. Lymphatics of the heart

      Lymphatic drainage of the heart.
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6. Diaphragm

   The diaphragm is a muscle residing within the trunk and separates the thoracic and abdominal cavities. Many structures pass through it, including blood vessels. More.

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   1. Thoracic surface of the diaphragm

      Structures seen on the thoracic surface of the diaphragm.
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   2. Abdominal surface of the diaphragm

      Structures seen on the abdominal surface of the diaphragm.
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