There are different types of these, they are called organelles.
The numerous small structures that function like organs in a cell are called ribosomes. They are found within all living cells.
All eukaryotic cells have within them a variety of different structures called organelles. Organelles are small and function much like organs function.
Genes.
the tiny structures within the small intestine that absorb nutrients are called Villi
organelles
Your question is not specific enough to answer properly. The general terms for structures in a cell that perform a variety of functions is 'organelles'. Specific membranous structures are the 'ribosomes'.
the tiny structures within the small intestine that absorb nutrients are called Villi
organelles
A model.
Fabric
The small bits of tissue that are carried in cup-like structures on liverworts, are called villi.
The small bits of tissue that are carried in cup-like structures on liverworts, are called villi.