Epithelium arises from the embryonic ectoderm, endoderm, and mesoderm layers during development. These layers differentiate into various types of epithelial cells that line surfaces and cavities in the body, providing a protective barrier and performing selective permeability functions.
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Germ layers give rise to all of animal's tissue and organs.
The secretory epithelium is a part of the skin and associated with the sweat glands.
During oogenesis, an oogonium gives rise to primary oocytes. These primary oocytes then undergo meiosis to become secondary oocytes.
The centriole is the organelle that gives rise to basal bodies. Basal bodies are associated with the microtubule organization within cilia and flagella.
No. The term squamous means flat like a floor tile. Epithelium means a covering or lining with a free edge. Renal epithelium is simple epithelium and these cells are like cubes.