Body Tissues & Membranes

Ch.4Anatomy and Physiology

Miss Tavitian

What is a tissue?

group of cells with common structure and function

4 Major Types of Tissue

Epithelial Tissue

Connective Tissue

Muscular Tissue

Nervous Tissue

4 Major Types of Tissues

1. Epithelial tissue (aka Epithelium)0 Covers the body surfaces0 lines the body

Epithelial Tissue

0Tightly packed cells

0Has basement membrane and apical surface

0 avascular (lack of blood vessels)

0 has a nerve supply

0 high capacity for cell renewal by cell division

Characterized by #layers & Shape

Simple Squamous Epithelium

Stratified Squamous Epithelium

Simple Cuboidal Epithelium

4 Major Types of Tissues

2. Connective Tissue0 connects and supports body parts

4 Major Types of Tissues

0Muscular – Contracts

4 Major Types of Tissues

0Nervous - Communicates