Question

which of the following is not a ductless gland...? ¿
a) Adrenal, (b) liver (c) thyroid (d)pituitary? ​

Answer 1

Ductless glands

Explanation:

• Endocrine glands are ductless glands of the endocrine system that secrete their products, hormones, directly into the blood.
• Some examples are the hypothalamus, pituitary, thyroid, pineal body, parathyroid, thymus, Adrenal glands, etc.
• The liver is also considered a gland, it is an exocrine gland that secretes bile into the intestine.

Answer 2

Answer:

(b) Liver is not a ductless gland.

Explanation:

• Ductless glands exude their substance directly onto a surface rather than through a duct.
• Ductless glands include the pineal gland, thymus gland, pituitary gland, thyroid gland, spleen, and two adrenal glands.
• Ducted glands, such as the liver, salivary glands, and sweat glands, emit their products through well-defined ducts.