Land of dreams: Harvard scientists map most complicated terrain in the universe - the inside of the brain
Harvard scientists map most complicated terrain in the universe - the inside of the human brain
Human egg cell
Human tongue surface, coloured scanning electron micrograph (SEM). Covering the tongue's surface are scale-like projections called filiform papillae, which sense pressure. The round areas (purple) are fungiform papillae which contain the taste buds.
Cliffs? Muscle fibre, electron microscope.
Tongue showing taste bud, filiform papillae and fungiform papillae. SEM.
Coloured SEM image of a coronary artery teeming with red blood cells (centre). Image Source: Science Photo Library.