Diabetes mellitus-
β-cells of the Islets of Langerhans in the pancreas secrete insulin.
Insulin is secreted in response to the sugar level of the body.
It helps the cells to absorb glucose, for energy requirements.
2. Goitre-
Abnormal enlargement of thyroid glands is the characteristic of the goitre.
It is caused due to deficiency of the thyroxine hormone.
3. Cretinism-
Due to deficiency of the thyroid hormone, cretinism is caused.
The child with cretinism shows stunted growth.
Final Answer-
Which hormonal deficiency is responsible for the following :
(a) Diabetes mellitus-insulin hormone
(b) Goitre-thyroxine hormone
(c) Cretinism-thyroid hormone