Glandular System
Those organs that produce enzymes or hormones and plays important role for metabolism of body are called glands. This is a short introduction note on glandular system which is an aggregate of endocrine and exocrine gland.
Summary
Those organs that produce enzymes or hormones and plays important role for metabolism of body are called glands. This is a short introduction note on glandular system which is an aggregate of endocrine and exocrine gland.
Things to Remember
- The system which comprises all glands of the body is called glandular system.
- Those organs that produce enzymes or hormones and plays important role in the metabolism of a body are called glands.
- The types of glands are Exocrine glands, Endocrine and Heterocrine gland.
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Glandular System
The system which comprises all glands of the body is called glandular system. Glandular system is divided into two categories according to their secretion. The glands that secrete hormones are categorized as endocrine glands and glands that secrete digestive enzymes are grouped as exocrine glands.
Glands
Those organs that produce enzymes or hormones and plays important role in the metabolism of the body are called glands.
Types of Glands:
There are three types of glands. They are:
- Exocrine glands: Those glands that have their own duct to pass their secretion are called exocrine gland. Their production is called enzyme. They help in the digestion.
- Endocrine: those ductless glands whose secretion directly mixed with blood and reach up to the target organs are called endocrine glands. Their secretions are called hormones and they maintain the overall metabolism of the body. The secretion of the hormones is regulated by the negative feedback mechanism. It is basically a system that if the hormonal concentrations in blood increase then secretion of the hormone is decreased.
- Heterocrinegland: Those glands which produce both enzymes and hormones are called heterocrine glands. Pancreas is a heterocrine gland. It produces hormones (Insulin and Glucagon) and enzymes (Trypsin, Amylase).
| Exocrine glands | Endocrine glands |
| They are ducted glands. | They are ductless glands. |
| They secrete mucus, saliva tear etc. like juices. | They secrete hormones. |
| Consumption of their product is more in amount. | Consumption of their secretion is less in amount. |
| Their secretions are related with respiration, digestion etc. like life processes. | Their secretions are responsible for control and coordination of growth. |
| Distance between the glands and the working region of the juices is less. | Distance and the working region is less. |
Exocrine glands are studied in the digestive system. We will study about endocrine glands here. The science that studies about endocrine glands is called Endocrinology.
Lesson
Stimulation And Reaction
Subject
Science
Grade
Grade 10
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