Blemish is a skin discoloration or dark spots on face caused due to acne white heads, black heads, and pimples. It is also known as hyper pigmentation. Blemishes cause skin discoloration and belmishes can happen due to boils, suntan, itching, rashes, pimples, pigmentation as well.
â¢ The main difference between the endocrine gland and exocrine gland is that, an endocrine gland lacks ducts and remains as blocks of tissue. â¢ So, endocrine gland secrets chemical substances directly to the blood stream, while exocrine gland secrets its product into a duct.land is a specific structure which secrets various chemical substances such as enzymes, hormones, and metabolites. There are two types of glands in the body called endocrine glands and exocrine glands.
Exocrine glands are glands that produce and secrete substances onto an epithelial surface by way of a duct. Examples of exocrine glands include sweat, salivary, mammary, ceruminous, lacrimal, sebaceous, and mucous.Exocrine glands are one of two types of glands in the human body, the other being endocrine glands, which secrete their products directly into the bloodstream.xamples of exocrine glands include sweat, salivary, mammary, ceruminous, lacrimal, sebaceous, and mucous. Exocrine glands are one of two types of glands in the human body, the other being endocrine glands, which secrete their products directly into the bloodstream.