Loose connective tissue

This tutorial covers loose connective tissue, a type of connective tissue proper. It explains its structure, components, and locations in the body. Key cellular components include fibroblasts, reticular fibres, and adipocytes. The extracellular matrix, composed of elastic fibres and ground substance, provides flexibility. The tutorial also discusses macrophages and mast cells, highlighting their roles in immune response. Clinical notes focus on the lamina propria's role in cancer prognosis. The tutorial concludes with a summary of the main points.

What is the primary function of connective tissue in the human body?

• To produce hormones

• To conduct electrical impulses

• To provide metabolic support and elasticity

• To store genetic information

Loose connective tissue is also known by which other name?

• Fibrous connective tissue

• Cartilaginous connective tissue

• Dense connective tissue

• Areolar connective tissue

Which cell type is primarily responsible for producing fibers in loose connective tissue?

• Adipocytes

• Fibroblasts

• Osteocytes

• Chondrocytes

What type of fibers provide flexibility and elastic recoil to loose connective tissue?

• Collagen fibers

• Reticular fibers

• Elastic fibers

• Nerve fibers

What is the role of adipocytes in loose connective tissue?

• To produce collagen

• To accumulate fat

• To conduct nerve impulses

• To secrete hormones

Which cells in loose connective tissue are known for their phagocytic activity?

• Adipocytes

• Fibroblasts

• Macrophages

• Mast cells

Which type of connective tissue is predominant in adults and forms the subcutaneous layer?

• White adipose tissue

• Brown adipose tissue

• Cartilaginous tissue

• Fibrous tissue

Where is loose connective tissue commonly found in the body?

• In the brain

• Beneath the dermis layer of the skin

• In the bones

• In the muscles

Which of the following is a classical example of loose connective tissue?

• Ligaments

• Cartilage

• Tendons

• Lamina propria

What is the significance of the lamina propria in cancer prognosis?

• It indicates the presence of benign tumors

• It helps determine the invasiveness of carcinomas

• It is used to measure tumor size

• It is unrelated to cancer prognosis