Orchid petal, SEM

Skin cell, SEM

Intestinal villi, SEM

Skin, SEM

Stubble, SEM

Gallstone crystals. Coloured scanning electron micrograph (SEM) of the crystalline surface of a fractured gallstone. Gallstones form in the gallbladder when there is an imbalance in the chemical composition of the bile. Gallstones mostly consist of...

Tomato leaf surface, SEM

Marjoram leaf surface, SEM

Fallopian tube, SEM

Gall bladder surface, SEM

Fallopian tube, SEM

Fallopian tube cells, SEM

Head of Ambush bug SEM

Egg of Silkmoth, Saturniidae SEM

Head of Anobiidae beetle SEM

Head of Salamander larva SEM

Head of Ambush bug SEM

Cushion from cell phone SEM

Polyxenus sp. millipede, Diplopoda SEM

Tarsus of Robber fly, Asilidae SEM

Lymphocyte white blood cell, coloured scanning electron micrograph (SEM). Its surface is covered in characteristic microvilli. Magnification: x6000 when printed at 10 centimetres wide.

Head of Ambush bug SEM

Abdomen of Ladybug larva, Coccinellidae SEM

Ureter lining. Coloured scanning electron micrograph (SEM) of the surface of a squamous epithelial cell from the ureter. Magnification: x6, 500 when printed at 10 centimetres wide.

Photo of an anterior view of an adult male onto which areas of visceral pain have been projected.

Photo of an posterior view of an adult male onto which areas of visceral pain have been projected.

Anterior view of deep anterior surface of gallbladder, vessels in porta hepatis, and fossa of gallbladder. Liver has been reflected superiorly, gallbladder freed from its bed and turned inferiorly and to the right.

Anterior view of the duodenum, pancreatic ducts, bile duct, gallbladder and the hepatic duct and its branches. For clarity, the pancreas and liver have been removed. A portion of the gallbladder has been removed to show the inner surface.

Gallbladder surface, SEM