Epithelial Tissue: Cells and Polarity

[Blank] cells are characterized according to shape and dimensions.

Epithelial cells exhibit distinct polarity, having three domains: apical, basal, and ______.

The ______ surface of epithelial cells rests on the basement membrane.

The basal lamina is composed of glycoproteins, collagen, and ______.

The reticular lamina contains collagen ______ fibers and is produced by fibroblasts.

Tight/Occluding Junctions, also known as ______, seal adjacent cells to prevent passive flow of materials.

Enterotoxin secreted by Clostridium perfringens prevents maintenance of ______ junction by inhibiting insertion of claudin molecules of intestinal cells.

[Blank] junctions are sites of strong cell adhesion on the lateral surface of epithelial cells.

Gap junctions, also known as ______ permit the exchange of small molecules between cells.

[Blank] are finger-like cytoplasmic projections of epithelial tissue specialized for absorption.

The internal structure of microvilli contains a core of actin filaments and ______-binding proteins.

Celiac disease leads to loss of microvilli brush border in the small intestine due to an immune reaction against wheat protein ______.

[Blank] are seen on absorptive epithelial cells lining the male reproductive system and sensory cells of the inner ear.

[Blank] are long, larger than microvilli, and exhibit beating patterns to move materials on cuboidal or columnar cells.

A primary cilium, unlike motile cilia, detects light, odor, motion, and the flow of ______.

Covering or ______ epithelia are classified based on the number of cell layers and the shape of the cells.

A ______ is a group of similarly specialized cells that work together to perform a specific function.

The term 'epithelial' comes from 'epi' meaning upon, and 'thele' meaning ______.

[Blank]: cells are in close contact with each other.

Epithelial tissues are supported by ______ tissue, which provides them with nutrients and metabolites.

Epithelial tissues are ______ but innervated.

[Blank] is a characteristic of epithelial tissue that enables quick repair via high mitotic rate.

Epithelial cells are ______ polyhedral cells that adhere strongly to one another and to the extracellular matrix.

[Blank] cells are tall and column-shaped, with the height greater than the width, typically found in absorptive or secretory tissues.

Epithelial tissue is often classified based on cell layers: simple, indicating a single layer, or ______, indicating multiple layers.

The basement membrane is located between the ______ tissue and connective tissue.

Apical, basal, and lateral are all names of ______ domains.

The basal lamina supports the epithelium by filtration and attachment, and it is composed mainly of ______, glycoproteins, and proteoglycans.

A defining feature of cuboidal cells compared to columnar cells of epithelial tissue is that the height of the cuboidal cells is roughly ______ to the width.

The paracellular pathway controlled by tight junctions is important in the epithelia of various organs, and the pathway is regulated by proteins such as ______ and claudins.

Desmosomes and adherens junctions are the main types of ______ junctions, crucial for adhesion in epithelial tissues.

Actin filaments are typically found inside of the sterocilia as a ______ structure.

The epithelial tissue lines the ______ tract organs, and it serves as a barrier and carries out absorption and protection.

Connexins are what help in the intercellular space, so that ______ junctions can occur.

Tissues can be classified into: epithelial, connective, muscle and ______.

Cuboidal cells are abundant on either columnar or ______ cells and are long.

[Blank] epithelium are located in the oesophagus.

[Blank] are composed of small amounts of connective tissues.

[Blank] are specialized regions on the cell surface.

Intercellular adhesion and other junctions of epithelial tissue, contain tight occluding junctions, that help seal adjacent cells, therefore passive flow of material in cells are ______.

[Blank] gives structural support to the overlying epithelium, semipermeable barriers and provides interaction site for many cell adhesion molecules.

Epithelial cells are characterized according to their ______ and dimensions.

In squamous epithelial cells, the height is ______ than the width.

In cuboidal epithelial cells, the height is ______ to the width.

In columnar epithelial cells, the height is ______ than the width.

Epithelial cells exhibit distinct polarity, presenting three domains: apical, basal, and ______.

The basement membrane consists of the basal lamina and the ______ lamina.

The reticular lamina of the basement membrane contains collagen ______ fibers.

[Blank] junctions seal the space between adjacent cells and prevents passive flow of materials between the cells`.

The enterotoxin secreted by Clostridium perfringens prevents maintenance of ______ junctions.

[Blank] junctions are characterized as sites of strong cell adhesion.

[Blank] junctions permit intercellular exchange of small molecules.

Finger-like cytoplasmic projections on the apical surface of epithelial tissue are known as ______.

Stereocilia contain a core of ______ filaments and actin-binding proteins.

[Blank] are long and exhibit beating patterns that move materials in one direction.

Covering and lining epithelia are classified according to cell shape and number of ______.

The term 'epithelial' is derived from 'epi,' meaning upon, and 'thele,' which translates to ______.

Epithelial tissue is ______ but innervated, meaning ti lacks blood vessels but has nerve supply.

Celiac disease results in loss of ______ brush border of the absorptive cellsof small intestine, caused by immune reaction against wheat protein gluten during its digestion, causing diffuse enteritis.