Tissues and Integumentary System

A set of flashcards designed to review key concepts from the lecture on tissues and the integumentary system.

What are the four major tissue types in the body?

Epithelial, Connective, Muscular, Nervous

What is the function of epithelial tissue?

Covering and lining the outside of the body and inside of hollow organs, forming glands.

What are the two classifications of glands in epithelial tissue?

Exocrine glands (secrete into a lumen or surface) and Endocrine glands (secrete hormones into bloodstream).

Define the term 'Matrix' in relation to connective tissue.

Matrix is the ground substance and fibers that make up the connective tissue.

Name the three types of muscle tissue in humans.

Skeletal, Smooth, and Cardiac.

What is the primary function of the integumentary system?

To protect the body from physical trauma, invasion by pathogens, and water loss.

List the cell types found in the epidermis.

Keratinocytes, Melanocytes, Langerhans cells, and Merkel cells.

What type of connective tissue is found in tendons and ligaments?

Dense regular connective tissue.

What is the significance of the basement membrane in epithelial tissue?

It anchors epithelial tissue to connective tissue.

What process does the ABCDE method refer to in skin cancer detection?

It is a method for detecting melanoma: Asymmetrical, Borders irregular, Colour dark, Diameter larger than 6 mm, Evolves over time.

What are the characteristics of simple squamous epithelial tissue?

Single layer of flattened cells, allows for diffusion and osmosis.

Name two components of the hypodermis.

Blood vessels and adipose loose connective tissue.

What is the function of sebaceous glands?

They produce sebum, an oily substance that lubricates the skin.

What type of connective tissue is best for energy storage?

Adipose tissue.

Explain the primary role of neurons in nervous tissue.

Neurons generate and conduct nerve impulses.