JOSE CALVO / SCIENCE PHOTO LIBRARY JOSE CALVO / SCIENCE PHOTO LIBRARY
Very low magnification light micrograph showing the neck organs in cross-section. The front of the neck is at right. The large space at centre is the trachea (windpipe) To its right is the thyroid cartilage (dark purple) and thyroid gland. The squashed space at left is the oesophagus. Surrounding the organs are muscles and adipose tissue. Magnification: x1 when printed at 10 centimetres wide.
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