The Collaborative International Dictionary of English v.0.48:
Sequela \Se*que"la\, n.; pl. Sequelae. [L., a follower, a
result, from sequit to follow.]
One who, or that which, follows. Specifically:
(a) An adherent, or a band or sect of adherents. "Coleridge
and his sequela." --G. P. Marsh.
(b) That which follows as the logical result of reasoning;
inference; conclusion; suggestion.
Sequelae, or thoughts suggested by the preceding
(c) (Med.) A morbid phenomenon left as the result of a
disease; a disease resulting from another.