Classification of Tissues

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Smooth muscle

Active during birth In wall of bladder & stomach One nucleus Spindle-shaped cells Involuntary Arranged in sheets

Insulates against heat loss; provides reserve fuel

Adipose connective

How does the special structure of a neuron relate to its function?

Allows a single neuron to conduct an impulse over relatively long distances

Composes basement membranes; a soft packaging tissue with a jellylike matrix

Areolar connective tissue

On what bases are epithelial tissues classified?

Arrangement ( relative number of layers); cell shape (squamous, cuboidal, columnar)

Abundant nonliving extracellular matrix

Connective Type

Anchors and packages body organs

Connective Type

The most durable tissue type

Connective Type

Attaches bone to bones & muscles to bones

Dense fibrous connective

Where is ciliated epithelium found?

Lines trachea, most of the upper respiratory tract

Lines much of the respiratory tract

Pseudostratified ciliated columnar

Propels substances across its surface

Pseudostratified ciliated columnar

Lines the small and large intestines

Simple columnar epithelium

Tubules of the kidney

Simple cuboidal

Most suited for rapid diffusion

Simple squamous

How are they different?

Their cytoplasm is drawn out into long extensions (cell processes)

Best suited for areas subject to friction

Stratified squamous epithelium

Stretches

Transitional

How are the functions of connective tissue reflected in its structure?

The functions of connective tissue are protection, support, & binding other tissues together - reflected in matrix for strength & fibers for support.

Cells may absorb, protect, or form a filtering membrane

Epithelium Type

Lines body cavities & covers the body's external surface

Epithelium Type

Cardiac muscle

Forms heart walls Striated Branching cells One nucleus Intecalated discs Involuntary Active during birth Cylindrical cells

How is the function of an epithelium reflected in its arrangement?

Function of epithelial cells is to form linings or covering membranes - reflected in the arrangement of fitting closely together to form intact sheets of cells.

Tissue

Groups of cells that are similar in structure & function

How does this reflect is function in body?

Has the ability to slide over one another to allow the organ to be stretched

Firm matrix heavily invaded with fibers; appears glassy & smooth

Hyaline cartilage

Forms the larynx & the costal cartilages of the ribs

Hyaline cartilage

Transitional epithelium is actually stratified squamous epithelia?

It differs from other stratified squamous epi's by being rounded

What role does it play?

Motile cell projections that help to move substances along the cell surface

Major function is to contract

Muscular Type

Pumps blood, flushes urine out of the body, allows one to swing a bat

Muscular Type

Forms nerves

Nervous Type

Most involved in regulating body functions quickly

Nervous Type

Transmits waves of excitation

Nervous Type

What is the makeup of the matrix in connective tissues?

Nonliving material composed of ground substances- (glycoproteins & large polysaccharide molecules) & fibers

In what ways are nerve cells similar to others cells?

Nucleus-containing cell with cytoplasm

Forms your hip bone

Osseous tissue

Matrix hard; provides levers for muscles to act on

Osseous tissue

Skeletal muscle

Voluntary Cylindrical cells Many nuclei Striated Moves limbs, produces smiles Attached to bones


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