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.
Plants are collectively referred to as flora.
Malt shop
Fats, oilds, waxes, and steroids are collectively called lipids
They were called legionnaires collectively
Collectively they are called 'tread'.
A coral
Does.
gate !
A malt shake.
two or more atoms put together is called a molecule.
They were simply called "convicts".