- apical surface (free edge)
- basal surface
- basement membrane (basal lamina)
- collagen fibers
- columnar
- cuboidal
- elastic fiber
- endocrine (gland)
- epithelium
- exocrine (gland)
- extracellular matrix (ECM)
- fibroblast
- gland
- goblet cell
- ground substance
- holocrine (gland)
- lacuna
- merocrine (gland)
- mucous membrane (mucosa)
- pseudostratified (epithelium)
- serous membrane (serosa)
- simple (epithelium)
- squamous
- stratified (epithelium)
- striated (muscle)