Alopecia areata, or circular hair loss, is the most common inflammatory hair loss disorder. Regardless of the age at which it ...

Their structure is adapted to their function. They are often grouped together with other similar cells in tissues. Root hair cell They absorb water and minerals. A long thin 'hair' extends from ...

Specialised plant cells include root hair cells, palisade cells, xylem cells and phloem cells. Just like animals, plants are made of tiny little cells. Like animal cells, basic plant cells have a ...