Columnar epithelium is composed of a single layer of tall slender cells. On their surface that faces the lumen (e.g. digestive tract) they can bear microvili.
Welcome to this educational aid for teachers and students of biology or medicine!
It contains drawings, images and virtual reality worlds enhancing the understanding of biological structures.
You need Java running on yor computer in order to see the virtual reality worlds.
Note: In Contents panel (Sh) means Shout3D technique (Java required) while (Vr) means VRML technique (VRML plugin required)
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