The human retina is a multi-layered structure lining the rear of the eye. It consists of photoreceptor cells and retinal pigment epithelial cells (RPE,人視網膜色素上皮細胞).

Human Schwann Cells (HSwC) are glial cells that keep both myelinated and unmyelinated peripheral nerve fibres alive.

Airway epithelial cells （人小氣道上皮細胞）forming a continuous lining to the airways play a unique role as a protective physical and functional barrier to external deleterious agents.

Thyroid fibroblasts （人甲狀腺成纖維細胞）are found in the capsule of the thyroid gland, an endocrine organ responsible for hormone homeostasis and iodine concentration.

Human Trabecular Meshwork Cells (TMC) play an active role in the aqueous outflow mechanism.