Be turned inside out or folded back on itself to form a cavity or pouch.
- ‘Flat or invaginated basalia are rare in genera in either family.’
- ‘The base of the cuticular layer had a finely invaginated appearance.’
- ‘Walls bend sharply from rounded part of hemisphere to flattened part, and then slope inward toward apparently invaginated aperture.’
- ‘In some areas, the lining cells invaginated into the underlying fibrous tissue and appeared as glandlike structures.’
- ‘In the present study, transversely fractured and thin-sectioned images indicate that the pigment granule membrane is invaginated.’
Mid 17th century: back-formation from invagination.
We take a look at several popular, though confusing, punctuation marks.