What are the primary types of tissues and the functions and features of epithelial tissue?
Understand the Problem
The question appears to be about understanding what epithelia are, their functions, and features, specifically in the context of biological tissues. It provides a summary of primary types of tissue and details about epithelial tissue.
Answer
Epithelial, connective, muscle, and nervous tissues. Epithelial tissue functions: protection, absorption, filtration, secretion, sensory reception. Features: closely packed cells, apical surface, basal surface, avascular, regenerative. Classified by layers and shape.
The primary types of tissue are epithelial, connective, muscle, and nervous. Epithelial tissue has functions including protection, absorption, filtration, secretion, and sensory reception. Its features are closely packed cells, apical surface, basal surface or basement membrane, avascular, and regenerative capability. It is classified by the number of layers (simple or stratified) and shape (squamous, cuboidal, columnar).
Answer for screen readers
The primary types of tissue are epithelial, connective, muscle, and nervous. Epithelial tissue has functions including protection, absorption, filtration, secretion, and sensory reception. Its features are closely packed cells, apical surface, basal surface or basement membrane, avascular, and regenerative capability. It is classified by the number of layers (simple or stratified) and shape (squamous, cuboidal, columnar).
More Information
Epithelial tissue forms a protective barrier and is involved in various specialized functions essential for the body’s maintenance and defense.
Tips
A common mistake is confusing the classification by number of layers and shape. Remember, simple epithelia are a single layer, while stratified epithelia have multiple layers. Shapes include squamous (flat), cuboidal (cube-like), and columnar (elongated).
Sources
- Epithelial Tissue - SEER Training - training.seer.cancer.gov
- Epithelial Tissue: Structure with Diagram, Function, Types… - BYJU'S - byjus.com
- Epithelial Tissue | Anatomy and Physiology I - courses.lumenlearning.com
