No, calyx and sepal are not the same thing. The calyx is the collective term for all the sepals of a flower, while a sepal is one of the leaf-like structures that make up the outermost part of the flower. Sepals can be separate or fused together to form the calyx.
calyx
stamens
Bracteole and calyx
the papilla duct of each renal pyramid is in cup called a minor calyx which collects urine. The 2 or 3 minor calyx converge to make a major calyx.
Calyx is usually green, and smaller than Corolla; Corolla is coloured, delicate textured than Calyx
Corolla.
unire fromed in the kidney passes through a renal papilla at the apex into a minor calyx
Urine is in the major calyx but I don't know what else, sorry.
the four whorls of a flower are : 1.calyx 2.corolla 3.androecium 4.gynoecium
A calyx (the outermost part of the flower) is made up of individual sepals. They protect the flower in bud and support the flower in bloom. The daffodil has 1 calyx made up of 3 sepals which join with the petals to form a tube that is characteristic of the daffodil.
Bougainvilleas do not have calyx or corolla. Only petaloid perianth lobes are found.