Peyer's patches
The lymphatic system is collectively referred to as MALT. MALT stands for Mucosa Associated Lymphoid Tissue. One of their functions is to prevent the bacteria from breaching the intestinal wall.
Malt shop
Plants are collectively referred to as flora.
Fats, oilds, waxes, and steroids are collectively called lipids
They were called legionnaires collectively
Collectively they are called 'tread'.
A coral
Does.
A malt shake.
gate !
two or more atoms put together is called a molecule.
The one I remember was called Viral.