Overview of Tissue Types in the Human Body

These flashcards cover the basic concepts related to the types of tissues in the human body, focusing on epithelial tissue and its characteristics.

Tissues are collections of cells that are similar in structure and perform a common or related __________.

function

The four types of tissue discussed are epithelial tissue, connective tissue, __________, and muscle tissue.

nervous tissue

The outer layer of our skin is made of __________ tissue.

epithelial

The surface of epithelial tissue that is exposed to the exterior is called the __________ surface.

apical

The __________ surface of epithelial cells is attached to underlying connective tissue.

basal

Epithelial cells exhibit __________, meaning they have differing features on their apical and basal surfaces.

polarity

Microvilli are tiny projections that increase the __________ area of epithelial cells.

surface

Epithelial tissues are __________, meaning they do not contain blood vessels.

avascular

Epithelial cells have a high rate of __________, allowing them to quickly regenerate.

regeneration

Simple epithelia consist of a __________ layer of cells.

single

Stratified epithelia consist of __________ or more layers of cells stacked on top of each other.

two

Squamous cells are described as being very __________, similar to scales.

flat

Cuboidal cells are __________ and of medium height.

boxy

Columnar cells are __________, resembling columns.

tall

An example of simple squamous epithelium is __________, which covers blood vessels.

endothelium

Another example of simple squamous epithelium is __________, which covers the lining of body cavities.

mesothelium

Epithelial tissue that appears to have multiple layers but is actually a single layer is referred to as __________ columnar epithelium.

pseudostratified

Stratified squamous epithelium is common for __________, especially on the outer skin.

protection

Glandular epithelium makes up __________, which secrete specific substances.

glands

Exocrine glands secrete substances through a __________ onto an epithelial surface.

duct

Endocrine glands secrete their products directly into the __________.

blood