Question

name the gland that is modification of sebaceous gland​

Answer 1

Sebaceous glands are the oil secreting glands of your body. This is why they are also called the oil glands. They are a type of holocrine simple saccular (alveolar) gland. Their function is to secrete a substance called sebum, a mixture of fatty substances, entire sebum-producing cells, and epithelial cell debris.

Answer 2

Gland tumour is the  modified sabaceous gland