At full length; in extension.
In extenso is an adverb. It is a Latin term which in simple words, means from beginning to end, leaving out nothing.
It is a Medieval Latin term which means ‘at full length’ and was first came in 1826. Its origin is from a Latin maxim in extēnsō in at extēnsō ablative of extēnsus stretch.
An article reprinted in extenso in a later collection.
In the celebrated judgment of Jacob Mathew v. State of Punjab &Anr., it was observed that to understand the term medical negligence, the term negligence must be studies in extenso.
Edited by Vigneshwar Ramasubramania
Approved & Published – Sakshi Raje
 Jacob Mathew v. State of Punjab & Anr., (2005) 6 SCC 1