BIOL2311 Quiz 2

Name the criteria by which epithelial tissues are classified? (check all that apply)

number of cell layers

cell shape

What are the cell junctions between cardiac muscle cells called?

intercalated discs

What primary type of tissue occurs along a body surface?

epithelial

If an epithelial tissue is more than one cell layer thick, it is classified as a ___________ epithelium.

stratified

Embryonic connective tissue is also known as _____________.

mesenchyme

This epidermal layer contains a large percentage of actively mitotic cells.

stratum basale

This structure produces a milky, protein- and lipid-rich secretion and is limited to the axillary and pubic regions.

apocrine sweat gland

Name the criteria by which connective tissues are classified? (check all that apply)

arrangement of protein fibers

cell type

protein fiber type

matrix composition

What are the supporting cells of nervous tissue called?

glial cells

What primary type of tissue is excitable but not contractile?

nervous

If an epithelial tissue is composed primarily of cells that are flat, it is classified as a ___________ epithelium.

squamous

What do we call a dense connective tissue containing a hard, calcified matrix and populated primarily by osteocytes?

bone

This epidermal layer consists of a very thin transparent layer of flattened keratinized cells.

stratum lucidum

This hardened structure protects and supports the dorsal side of the distal phalangeal region.

nail

If an epithelial tissue is composed primarily of cells that are as high as they are wide, it is classified as a ___________ epithelium.

cuboidal

What do we call a dense connective tissue containing collagen fibers arranged (all in one) direction and populated primarily by fibroblasts?

dense regular connective tissue

What are the spaces in which chondrocytes reside called?

lacunae

What primary type of tissue is both excitable and contractile?

muscular

What do we call a dense connective tissue containing collagen fibers (in bundles) arranged in many directions and populated primarily by fibroblasts?

dense irregular connective tissue

What do we call a dense connective tissue containing an amorphous matrix and populated primarily by chondrocytes?

hyaline cartilage

This epidermal layer consists of flattened but still living cells that contain keratin granules.

stratum granulosum

This structure causes hairs to stand on end when it contracts.

arrector pili muscle

What are the mucus producing cells in epithelial tissue called?

goblet cells

What primary type of tissue consists of one or more cell types embedded within a non-living matrix?

connective

What do we call a dense connective tissue containing collagen fibers arranged in one direction and populated primarily by chondrocytes?

fibrous cartilage

This epidermal layer consists of many layers of flattened keratinized dead cells.

stratum corneum

This structure produces a thin, watery secretion that carries heat away from the body as it evaporates.

eccrine sweat gland

If an epithelial tissue is composed primarily of cells that are higher than they are wide, it is classified as a ___________ epithelium.

columnar

What do we call a loose connective tissue containing both collagen and elastin fibers, and in which the primary cell type is the fibroblast?

areolar connective tissue

What are the primary functional cells of nervous tissue called?

neurons

What do we call a dense connective tissue containing a fluid matrix and populated primarily by erythrocytes and leukocytes?

blood

This epidermal layer consists of cells that contain thick bundles of pre-keratin intermediate filaments.

stratum spinosum

This structure produces an oily secretion to lubricate the shaft of a hair or the surface of the skin.

sebaceous gland

What do we call a dense connective tissue containing elastin fibers and populated primarily by chondrocytes?

elastic cartilage

What do we call a loose connective tissue containing reticular fibers?

reticular connective tissue

If an epithelial tissue is only one cell layer thick, it is classified as a ___________ epithelium.

simple

What do we call a loose connective tissue containing both collagen and elastin fibers, and in which the primary cell type is the fat cell?

adipose connective tissue

This structure produces a shaft of keratinized cells that extend from the surface of the skin.

hair follice