elaborate
,
lucubrate
,
expatiate
,
exposit
,
enlarge
,
flesh out
,
expand
,
expound
,
dilate
=
add details, as to an account or idea;
clarify the meaning of and discourse in a learned way, usually in writing
hypertrophied
,
enlarged
=
(of an organ or body part) excessively enlarged as a result of increased size in the constituent cells
