1. Components small gland or endocrine cell: islet of pancreas and corpus luteum endocrine gland 9 Thyroid gland e Parathyroid gland ● Adrenal gland e Pituitary gland(hypophysis) e Pineal bodi1. Components: ---small gland or endocrine cell: islet of pancreas and corpus luteum ---endocrine gland: Thyroid gland Parathyroid gland Adrenal gland Pituitary gland(hypophysis) Pineal body