Et al. - and others
In vitro - in glass (laboratory dish)
In vivo - in the living (organism)
Ipso facto - by the fact itself
Mea culpa - my fault
Modus operandi - method of operation
Per se - by itself
Prima facie - at first sight
Quantum satis - sufficient quantity
Quid pro quo - something for something
Status quo - the current state of affairs
Sub judice - under consideration by a judge
Terra firma - solid ground
Vice versa - the reverse is true