Which is the largest gland of the human body (Largest Gland)?

MP CHO-2018

Applied Anatomy

Easy

Appeared in: MP CHO-2018

Explanation

The liver is the largest gland in the body, weighing between 1300 g and 1600 g in adults.
It is classified as a gland because it secretes substances (like bile and plasma proteins) for use elsewhere in the body.
Its functions are indispensable, including metabolism, detoxification, synthesis of proteins, and bile production.
The key differentiator is its sheer size and weight, which far exceeds any other glandular organ in the body.

Option A: The pancreas is a mixed (both exocrine and endocrine) gland, but it is much smaller than the liver, weighing only about 60-100 grams.
Option C: The spleen is not a gland; it is the largest organ of the lymphatic system. Its primary roles are filtering blood and mounting immune responses.
Option D: The gallbladder is a small, pear-shaped organ that stores and concentrates bile. It is a storage organ, not a gland that produces secretions.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Anatomy and Physiology: Identification of the largest gland in the human body as background academic context rather than a clinical decision trigger.
Understanding the liver's status as the largest gland is fundamental for physical assessment. An enlarged liver (hepatomegaly) is a significant clinical sign that can be palpated below the right costal margin and may indicate conditions like hepatitis, fatty liver disease, or heart failure.
The liver's extensive metabolic functions mean that liver failure (cirrhosis) has systemic effects, including jaundice, clotting disorders, and toxic encephalopathy, which require complex nursing management.
What if? If a patient presents with right upper quadrant pain and jaundice, the nurse's understanding of anatomy points towards potential liver or gallbladder pathology. The initial assessment would focus on differentiating between the two, such as checking for signs specific to liver inflammation versus biliary obstruction.

How to Approach the Question

First, identify the core of the question, which is to name the 'largest gland'.
Scan the options provided: Pancreas, Liver, Spleen, Gallbladder.
Recall the basic classification and function of each organ. The liver is a very large organ that produces bile (a secretion), making it a gland.
Compare the relative sizes. The liver is known to be the largest internal organ and weighs significantly more than the pancreas or spleen.
Eliminate incorrect options based on their classification. The spleen is a lymphoid organ, and the gallbladder is a storage organ, not a primary gland.
Conclude that the liver is the correct answer based on its definition as a gland and its large size.

Concept Tested & Keywords

Concept Tested: Anatomy and Physiology: Identification of the largest gland in the human body.
Stem keywords: largest gland, human body
Lead-in keywords: Which is
Negative lead-in flag: false

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E6 Anatomy BDChaurasia V2 10e Part 2 pp. 92-94, 83-85

E6 Pathology-Vandana Puri & Kavita Gaur Textbook of Pathology and Genetics p. 233-235