Chapter 5: Tissues

Which type of tissue enables movement?

Muscle

Which type of tissue provides support?

Connective

Which type of tissue covers and lines?

Epithelial

Which type of tissue controls work?

Nervous

What are the four major types of cellular junctions?

Tight and Gap junctions, desmosomes, and basal lamina.

What is another name for the 'basement' membrane?

Basal Lamina

What are the classifications of epithelia?

Number of layered cells, shape of cells, and presence of surface specialization

List at least three kinds of epithelium.

Simple squamous, simple cuboidal, and stratified squamous.

Which kind of epithelial tissue is flat and smooth, consisting of one layer?

Simple Squamous Epithelium

Which kind of epithelial tissue is one layer of cube-shaped cells?

Simple Cuboidal Epithelium

What kind of epithelial tissue are cells that are elongated and closely packed together?

Simple Columnar Epithelium

What kind of epithelial tissue is multilayered?

Stratified Squamous Epithelium

What kind of epithelial tissue is multiple layers of cube-shaped cells?

Stratified Cuboidal Epithelium

What kind of tissue is multiple layers of columnar cells?

Stratified Columnar Epithelium

What kind of epithelial tissue has multiple layers of columnar cells that are not truly stratified? Hint: *wine glasses*

Pseudostratified Columnar Epithelium

Which type of epithelial tissue has a basal layer of cuboidal columnar cells, and superficial layer of squamous cells?

Transitional Epithelium

Define glands.

Cell or group of cells that manufacture and discharge a secretion

What are the classifications of glands?

Presence or absence of ducts, number of cells that compose them, shape of secreting cells.

Which type of gland does not possess ducts?

Endocrine

What do exocrine glands do?

Discharge secretions directly into local areas.

What do endocrine glands do?

Produce and secrete hormones into the bloodstream or lymphatic system.

What are some examples of exocrine glands?

Musk, sweat, liver, and pancreas.

What are some examples of endocrine glands?

Pituitary and Adrenal glands

Are ductless goblet cells an example of exocrine or endocrine?

Exocrine

What three ways are products secreted by the exocrine glands?

Merocrine, apocrine, and holocrine

What are serous secretions?

watery, high concentration of enzymes

What are mucous secretions?

thick, viscous, and composed of glycoproteins

What are mixed secretions?

both serous and mucous components

What is the most abundant tissue in the body by weight?

Connective

What are the functions of connective tissue?

protective sheath around organs, framework to support the body, medium for transporting substances from one region to another .

Fat tissue is also known as what?

Adipose tissue

What are the three distinct components of connective tissue?

ground substance, extracellular fibers, and cells

What are some examples of connective tissue?

blood, tendons, fat, cartilage, and bones.

What are strong, thick strands of protein collagen?

collagenous fibers

What are thin, delicate, branched networks of collagen?

reticular fibers

Which fibers are stretchy?

elastic

What is the difference between a fixed cell and a transient cell?

Fixed cells remain in connective tissue, transient cells pass in and out of it.

List the three types of specialized connective tissue.

dense regular and irregular, and elastic

Name the 4 common types of membranes.

mucous, serous, cutaneous, synovial

What is the abdomen lined with?

peritoneal fluid

What is the thorax lined with?

pleural fluid

What is the region around the heart lined with?

Pericardial fluid

What are the three types of muscle tissue?

skeletal, cardiac, smooth

What are neurons?

the longest cells in the body

What are the three main parts of the neurons?

perikaryon, dendrites, and axon

What is the function of the neurological cells?

to support neurons

List the process of wound healing in the correct order.

injury, inflammation, organization, regeneration

What are the two classifications of wound healing?

first-intention and second-intention

What is first intention in wound healing?

wound edges in closed apposition, no granulation tissue formation

What is second intention in wound healing?

wound edges separate from each other, scarring results

Name three jobs of epithelial tissues

protects covers and lines, filters biochemical substances, and provides sensory input

What are the 2 general cell types?

neurons and neuroglial