Akademik
acco - alif
accomodation groove
acicle
acron
acumen
acute
adductor muscle of carapace
adductor muscle scar pattern
adductor pit
adductor ridge
adhesion pads
adhesive gland
adont hinge
adrostal carina
adrostral ridge
adrostral sulcus
aesthetasc seta
aesthetasc(s)
afferent branchial channel(s)
afferent channel(s)
afferent respiratory channel(s)
ala