What is the difference between epithelium and connective tissue

However, when the epithelium is multilayered it is referred as compound epithelium. Simple epithelial is also further divided into various types. The classification is based on the type and morphology of the cells. When the cells are wider than their height, they are referred as squamous epithelium Ross When the height and width of the cells are nearly same, they are referred as cubical epithelium. If the heights of the cells are larger than the width of the cells, they are referred as columnar epithelium.

When the simple epithelial cells are oriented in such a way so the nuclei of different cells are arranged in different orientations, it is referred as pseudo-stratified lack of true stratification epithelium. On the other hand, when the epithelium is made of multi-layered cells, it is referred as compound epithelium. Transitional epithelium is a type of compound epithelium, where the cells undergo rapid changes in morphology. This means one type of cell is changed to the other.

Epithelial tissue originates from the ectoderm of an embryo. The main functions of epithelium are secretion hormones and mucus , absorption through villi and protection. A comparison of connective and epithelial tissue is provided below:. Difference Between Similar Terms and Objects. MLA 8 Mukarjee, Sagarika. Name required. Email required. Please note: comment moderation is enabled and may delay your comment.

A tissue is a group of cells that carry out a specific function. The intercellular substances link cells of the tissue physically.

Tissue specialization increases the efficiency of the organism functionally. Connective tissue and epithelium work in close connection while surrounding organs and organ systems. Overview and Key Difference 2. What is Epithelium 3. What is Connective Tissue 4. Similarities Between Epithelium and Connective Tissue 5. The epithelium is an animal tissue that lines the internal and external surfaces of an organism, especially the outer surfaces of organs and blood vessels and inner surfaces of cavities of organs.

It can be arranged in a single cell layer or several layers. True epithelial tissue arises from the embryonic ectoderm , which provides epithelium for the skin, nervous system and parts of the midgut and the hindgut.

Furthermore, the embryonic endoderm provides epithelium for the remainder of the alimentary canal, liver, and pancreas. Hyaluronic acid cements the epithelial cells together. The cells can be shaped in squamous, columnar and cuboidal. The bottom layer of the epithelium rests on a basement membrane composed of collagenous fibres and it is avascular.

So, the epithelium depends on the underlying connective tissue for nutrition, communication and oxygen. There are two types of epithelial tissues as simple epithelium and compound epithelium. Simple epithelium has a single cell layer and it mostly lines the internal surfaces, while compound epithelium has multiple cell layers and it lines the external surfaces and distensible internal surfaces. Organs are made up of tissues and tissues are made up of cells which are known to perform different functions.

These two types of tissues form a dense structural network in the body, which helps in connecting different organs and even in protection from toxins, macrophages, foreign bodies as well as from external shocks. Important is that, apart from being different in function, origin, and constituents, they work in a synchronized manner with the aim of keeping the body fit and in proper function.

Thank you I now have a clear understanding of Epithelial tissue functionality , location comparison to connective tissue. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Key Differences Between Epithelium and Connective tissues Following are the substantial difference between epithelial and connective tissues: Epithelial tissue is made up of the cell and a small amount of intercellular matrix, while connective tissues are made up of the cell and a huge amount of intercellular matrix.

Epithelial tissues mainly form a covering of the organs, internally as well externally, helps in transcellular or intercellular transportation, in selective absorption, and in the protection of cells; connective tissues support and anchors other tissue and organs, helps in muscles and bone formation, also helps in working of blood and lymph.

Epithelial tissue develops from the endoderm or mesoderm or ectoderm from the embryological germ layer; connective tissue develops from mesoderm embryonic mesodermal origin. The arrangement of epithelial cells are either single or multilayer; In connective tissue cells are present in a scattered form in the matrix and does not show any arrangement.

Epithelial tissues are not enclosed by blood capillaries while in connective tissue, cells are enclosed by blood capillaries. Epithelial tissues lie above the basement membrane; connective tissues lie below basement membrane, called lamina propia. Cells of epithelial tissues are not bounded by blood capillaries and they gain their nutrition from the cellular membrane; cells of connective tissues are bounded by blood capillaries and hence gain nutrition from there.

Bounded by special proteins, desmosomes and hemidesmosomes are epithelial tissues; connective tissues are bounded by blood capillaries and materials like elastin or collagen fibers. Epithelial tissues can be found in lungs, kidneys, skin, mucous membranes and connective tissues are found in bones, nerves, ligaments, tendons, blood. Comments Thank you I now have a clear understanding of Epithelial tissue functionality , location comparison to connective tissue.

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