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Pituitary Gland

The pituitary gland is a small endocrine gland at the base of the brain that controls several other endocrine glands and body functions.

In one line: Small gland, big control.

Practice This Concept

Understand it

The pituitary gland is often called the master gland because it releases hormones that regulate other glands.
It helps control growth, reproduction, and many body activities.
It works under the guidance of the hypothalamus.
Even though it is small, its role is very important because a small change in its hormones can affect the whole body.

Example

Growth hormone from the pituitary helps regulate the growth of bones and body tissues during childhood and adolescence.

Rule to remember

Rule: the pituitary gland secretes hormones that regulate other endocrine glands.

See it worked out

Follow the example line by line, then use the same method on new questions.

Worked example

1A child’s growth depends partly on growth hormone from the pituitary gland.
2If the hormone level is too low, growth can be affected because body tissues do not receive the proper signal.

Method you can reuse

1State its location near the base of the brain.
2Mention that it is an endocrine gland.
3Explain that it controls other glands.
4Add one example hormone or function.
5Link it to growth or body regulation.

Visual tip

A labelled endocrine-system diagram should show the pituitary gland below the brain and linked to other glands.

Check yourself

Answer the question in your head before opening the answer.

Try it yourself

Why is the pituitary gland often called the master gland?

Think first, then show answer

The pituitary gland is called the master gland because it releases hormones that control other endocrine glands and influence important body functions such as growth and reproduction.

Common wrong answer

A common wrong answer is to call it the only gland that controls all body functions directly. That is too absolute and ignores coordination with other glands.

Don't mix this up

Students often think the pituitary gland controls everything alone. It is very important, but it works in coordination with the hypothalamus and other glands.

Exam tip

When you write about the pituitary gland, mention its location, master-gland role, and at least one hormone or function.

Write it in the exam

Each point is worth about one mark. Write point 1 for a 1-mark question and keep adding points as the marks go up.

How CBSE asks it

Questions may ask for the location of the pituitary gland, the meaning of master gland, or the hormone linked with growth.

1
Enough for 1 mark
The pituitary gland is a small endocrine gland at the base of the brain that controls several other endocrine glands and body functions.
2
Add for 2 marks
Example: Growth hormone from the pituitary helps regulate the growth of bones and body tissues during childhood and adolescence.
3
Add for 3 marks
The pituitary gland is often called the master gland because it releases hormones that regulate other glands.

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