Mushroom: plant without flowers or chlorophyll, fast-growing, especially in dark, damp locations.
Scale: small, hard plate that covers and protects the mushroom.
Tubes: duct.
Pores: small holes.
Stipe, stalk: part of the mushroom between the cap and the soil.
Scales: small, hard plates that cover and protect.
Volva: thick membrane covering the foot.
Ring: membrane that envelops part of the stem.
Gills: each of the gills forming the head.
Cap: top of the mushroom.