A partition; a septum; specifically, the folds of the
pleura (and the space included between them) which divide the thorax
into a right and left cavity. The space included between these folds of
the pleura, called the mediastinal space, contains the heart and gives
passage to the esophagus and great blood vessels.

]]>https://definedictionarymeaning.com/topic/54447/mediastinumRSS for NodeThu, 04 Jun 2026 09:49:58 GMTTue, 02 May 2017 05:34:18 GMT60A membranous partition between two body cavities or two parts of an organ, especially that between the lungs.

]]>https://definedictionarymeaning.com/post/380484https://definedictionarymeaning.com/post/380484Wed, 26 May 2021 07:44:08 GMTa structure that divides a body part in the centre:

]]>https://definedictionarymeaning.com/post/380477https://definedictionarymeaning.com/post/380477Wed, 26 May 2021 07:24:37 GMT