The plural form of dermis is dermises.
The plural form of adipocyte is adipocytes
esophagogastroduodenoscopies is the plural form
The term for the superficial portion of the dermis is the papillary dermis.
The plural form of caboose is cabooses.
Slang is a collective term. It has no plural form.
The plural form for the noun verruca is verrucae.
The plural form for stimulus is stimuli.
The plural of stoma is stomata.
Bananen ("bananas") is already plural. It is the plural form of Banane ("banana").
plural-singular nouns
The plural form of the noun artist is artists.The plural possessive form is artists' materials.
Mitochondria is already plural. The singular form is Mitochondrion.Mitochondria IS plural. The single form is mitochondrion.