WebThe membrane facing the lumen or free surface is known as the apical membrane, while the membrane oriented away from the lumen, contacting the extracellular matrix, is known as the basal membrane and the sides … WebMay 31, 2024 · Definition. The basal cell is an epithelial stem cell but can also refer to any cell that sits on an epithelial basement membrane. Epithelia are tissues that line the inner and outer surfaces of the body. Basal cells are located in the lower layers of multi-layered epithelium and pockets in single-layered epithelium and divide and renew to ...

Learning Objectives for Chapter 4 THE TISSUE LEVEL OF...

Webepithelium: [noun] a membranous cellular tissue that covers a free surface or lines a tube or cavity of an animal body and serves especially to enclose and protect the other parts of … WebEpithelial Membranes. An epithelial membrane is composed of an epithelial layer attached to a layer of connective tissue. A mucous membrane, sometimes called a mucosa, lines a body cavity or hollow passageway that is open to the external environment. This type of membrane can be found lining portions of the digestive, respiratory, excretory ... liberty mutual insurance home insurance quote

4.1 Types of Tissues – Anatomy & Physiology

WebApr 16, 2024 · The epithelial state of the cells in which EMT is initiated is characterized by stable epithelial cell–cell junctions, apical–basal polarity and interactions with basement membrane. WebEpithelial Tissue. Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major … WebJan 17, 2024 · Each serous membrane is composed of a secretory epithelial layer and a connective tissue layer underneath. The epithelial layer, known as mesothelium, consists of a single layer of avascular flat nucleated cells (simple squamous epithelium) that produce the lubricating serous fluid. This fluid has a consistency similar to thin mucus. liberty mutual insurance homeowners quote