Epithelium
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Epithelium or epithelial tissue is a thin, continuous, protective layer of cells with little extracellular matrix. An example is the epidermis, the outermost layer of the skin. Epithelial tissues line
Types of epithelium
Summary showing different epithelial cells/tissues and their characteristics.
Different characteristics of glands of the body
Epithelial cell infected with Chlamydia pneumoniae
Germ layer
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A germ layer, primary germinal layer, or germinal layer is a primary layer of cells that forms during animal embryonic development. Germ layers form during gastrulation, when the early embryo is forme
Cleavage and division of the cell of an egg of a vertebrate (Remak, 1855).
Micrograph of a teratoma, a tumour that characteristically has tissue from all three germ layers. The image shows tissue derived from the mesoderm (immature cartilage - left-upper corner of image), endoderm (gastrointestinal glands - center-bottom of image) and ectoderm (epidermis - right of image). H&E stain.