Relating to a tergum of an arthropod.
- ‘They also discovered a contact sex pheromone in the female's tergal gland - the first time such a pheromone has been identified for any termite species.’
- ‘In places, portions of the sternites can be seen where the tergal cuticle has broken away.’
- ‘The cuticle of juvenile stages is thin and weakly sclerotized, and sternal and tergal plates are barely recognizable in the light microscope.’
Mid 19th century: from Latin tergum back + -al.
We take a look at several popular, though confusing, punctuation marks.