👉 Telolemmata are a type of cell in vertebrates that are specialized for the production of endoplasmic retinoids (Ergosterols) as part of their metabolism. These EPRs are produced by the endoplasmic reticulum, which is a portion of the endoplasmic membrane that surrounds the nucleus and other organelles in eukaryotic cells. In vertebrates, telolemmata mainly function to synthesize and secrete ergoster
