The two types of nerve cells that were studied are shown here, dye-labelled in a mouse cortex (red: fast-spiking interneurons; green: firing-rate adapting interneurons).

Specialised animal cells include red blood cells, sperm, eggs, nerve cells, muscle cells, ciliated cells, and villi. Get it, lark? Anyone…? Okay let's move on. An animal cell is made of three ...