Title Structural Organization in Animals 4.0.pdf ✅

Structural Organisation in Animals 3 Transitional Types of Epithelium Tissue Simple epithelium – Composed of single layer of cells – Functions as lining for body cavities, ducts and tubes. Stratified Compound epithelium – Consists of 2 or more cell layers. – It has protective function as it does in our skin On the basis of shape/ structural modification s of cells (1) Simple Squamous (2) Simple Cuboidal (3) Simple Columnar Simple Ciliated Ciliated Cuboidal Ciliated Columnar Simple Epithelium: (1) Simple Squamous Epithelium: • Single layered • Shape of cells are flat or scale like with irregular boundaries. • Flattened / rounded nucleus is present. • It is also called pavement epithelium (Tile like appearance) and Tessellated epithelium (Wavy appearance). • This epithelium is associated with filtration & diffusion.