tissues

What are the four major tissue types?

Squamous, cuboidal, and columnar.

What are the main functions of epithelial tissue?

Protection, absorption, secretion, and filtration.

What do simple and stratified mean?

Simple has one cell layer; stratified has multiple layers.

What are the three epithelial cell shapes?

Squamous, cuboidal, and columnar..

What are the three types of muscle tissue?

Simple has one cell layer; stratified has multiple layers.

What are the three epithelial cell shapes?

Squamous, cuboidal, and columnar.

What are the three types of muscle tissue?

Skeletal, smooth, and cardiac.

How can you identify skeletal muscle?

Striations, long fibers, and multiple nuclei.

What is the main function of connective tissue?

It connects, supports, protects, and separates body structures.

What are the three steps of tissue repair?

What are the three steps of tissue repair?

What cells line and cover body surfaces?

Epithelial cells.

What cells connect and support body parts?

Connective tissue cells.

What cells defend the body?

Immune or defensive cells, such as white blood cells.

What cells allow body movement?

Muscle cells

What cells allow body movement?

Nervous tissue cells, especially neurons.

What cells control and communicate?

Nervous tissue cells, especially neurons.

What are the major characteristics of epithelial tissue?

Tightly packed cells, little space, polarity, and a basement membrane.

What does cuboidal mean?

Cube-shaped cells.

What does columnar mean?

Tall, column-shaped cells.

What is simple squamous epithelium good for?

Rapid diffusion and filtration.

What is simple cuboidal epithelium commonly used for?

Secretion and absorption

What are the two types of connective tissue proper?

Loose and dense connective tissue.

What is simple columnar epithelium mainly used for?

Absorption and secretion.

What is pseudostratified columnar epithelium?

A single layer of cells that looks like multiple layers

Where is pseudostratified columnar epithelium commonly found?

In the respiratory tract.

What is stratified squamous epithelium?
.

Multiple layers of cells with flattened cells at the surface

What is the main function of stratified squamous epithelium?

Protection from friction.

Where is stratified squamous epithelium found?

Skin, mouth, and esophagus.

What is transitional epithelium specialized for?

Stretching and returning to its original shape.

Where is transitional epithelium found?

In the urinary system.

What is glandular epithelium?

One or more cells that produce and secrete a product.

What is an endocrine gland?

A ductless gland that releases hormones into the blood.

What is an exocrine gland?

A gland that uses ducts to release its products onto an epithelial surface.

What is connective tissue?

Tissue that connects, supports, protects, and binds body structures.

What is extracellular matrix (ECM)?

Nonliving material surrounding connective tissue cells.

What are the two main parts of the extracellular matrix?

Ground substance and protein fibers.

What are the three types of connective tissue fibers?

Collagen, elastic, and reticular fibers.

What is bone tissue made of?

Osteocytes in a hard calcium-salt matrix with collagen fibers.

What is the main function of bone?

Protection and support.

What are the three types of cartilage?

Hyaline cartilage, elastic cartilage, and fibrocartilage.

What is hyaline cartilage?

The most widespread type of cartilage, with a glassy/rubbery matrix.

Where is hyaline cartilage found?

rachea, ribs, ends of long bones, fetal skeleton, and growth plates.

What is elastic cartilage specialized for?

Flexibility and elasticity.

Where is elastic cartilage found?

The external ear.

What is fibrocartilage specialized for?

Compression and support.

Where is fibrocartilage found?

Between the vertebrae.

What is dense connective tissue mainly made of?

Collagen fibers.

What cells produce connective tissue fibers?

Fibroblasts.

What do tendons connect?

Muscle to bone.

What do ligaments connect?

Bone to bone.

What are the three types of loose connective tissue?

Areolar, adipose, and reticular.

What is areolar connective tissue?

A soft, pliable tissue that acts as packing and glue between structures.

What is adipose tissue?

Connective tissue dominated by fat cells.

What can areolar tissue absorb?

Excess fluid, such as in edema.

What are the functions of adipose tissue?

Insulation, protection of organs, and fuel storage.

What is reticular connective tissue?

A tissue with delicate interwoven fibers that forms the supporting framework of organs.

Where is reticular connective tissue found?

Lymph nodes, spleen, and bone marrow.

What type of connective tissue is blood?

Vascular connective tissue.

What does blood transport?

Nutrients, wastes, and respiratory gases.

What is the main function of muscle tissue?

Contraction and movement.

What are the three types of muscle tissue?

Skeletal, cardiac, and smooth.

Is skeletal muscle voluntary or involuntary?

Voluntary

Where is skeletal muscle found?

Attached to the skeleton.

What are the characteristics of skeletal muscle cells?

Striations, multiple nuclei, and long cylindrical cells.

Which tissues mostly heal by forming scar tissue?

Cardiac muscle and nervous tissue in the brain and spinal cord.

Which tissue regenerates poorly?

Skeletal muscle.

Which tissues regenerate easily?

Epithelial tissue, fibrous connective tissue, and bone.

What do fibroblasts do during tissue repair?

They rebuild collagen.

What do phagocytes do during tissue repair?

They dispose of the clot and damaged materia

What is granulation tissue?

New tissue containing new capillaries that forms during repair

What is the main function of nervous tissue?

Receiving and conducting electrochemical impulses