| When this occurs the posterior intercostal veins on the left side of the thorax may drain into the azygos vein independently. |
| It has three pairs of true legs on the thorax and five pairs of fleshy prolegs on the abdomen. |
| A roentgenogram of the thorax revealed a large mediastinal mass, suggestive of lymph node enlargement. |
| The carapace of a zoea covers the head and the forward portion of the thorax. |
| There are four pairs of biramous cephalic appendages, which differ only very slightly from the appendages of the thorax. |
| The scalene muscles as a whole are considered as the intercostal muscles of the thorax, located in the neck. |