Epitheliel Cells

synovial membrane

membrane lining the capsule of a joint

endocrine glands

-glands lack ducts and secrete their products, called hormones directly into the blood stream. -act as chemical messengers to influence cell communication.

exocrine glands

-invagination of epithelium that burrows into underlying connective tissue. -maintain connection w/ surface by means of a duct through which they secrete and discharge onto the epithelial surface.

Tubular gland

A gland with a secretory portion in diameter to its duct is called?

acini and at least 1 duct

A multicellular exocrine gland consists of?

basement membrane

A thin extracellular layer upon which an epithelium rests is called?

Lacrimal gland

An example of a merocrine gland is?

dense irregular connective

Collagen fibers randomly arranged & clumped together; -function: withstands stress in all directions **location: most of dermis of skin, periosteum covering bone; perichondrium covering cartilage, epineurem covering nerves, epimysium covering skeletal muscle, some organ capsules**

collagen, elastin, reticular

Describe 3 components of connective tissue

a) Richly innervated B) lack blood vessels c) have high regeneration capacity d) composed almost entirely of cells e)cells are bound closely together f) basal surface is bound to a basement membrane g) covers surfaces and lines cavities and organs

Describe the common features of epithelial tissue

To support, protect and bind organs

Describe the functions of connective tissue.

True

Epithelium act as "gate keepers" to control the movement of substances into the body?

stratified cuboidal

Epithelium forms the walls of the ducts of glands and has at least 2 cell layers with the most superficial layer being cuboidal in shape?

Stratified

Epithelium is found in areas likely to be subject to abrasive activities and mechanical stress?

a) covers surfaces and lines cavities and organs b) form glands

Explain 4 functions of epithelial cells.

Apical

Exposed to surface or lumen

Muscle

Facilitates Movement

reticular fibers

Fibers made of collagen fibers that are very thin and branched. Forma tightly woven fabric that joins connective tissue to adjacent tissues. **found in lymph nodes, spleen, liver**

Microvilli

Fingerlike extensions of plasma membrane of apical epithelial cells, increase surface area, aid in absorbtion, exist on every moist epithelia, but most dense in small intestine and kidney

dense regular connective tissue

Function: attaches muscles to bones or to muscles; attaches bones to bones; withstands great tensile stress when pulling force is applied in one direction Location: tendons, most ligaments, aponeuroses

Cilia of epithelium

Goblet cell

Lateral

Have intercellular connections

stratified cuboidal epithelium

Identify which of the following options is best described as a multicellular tissue with the superficial cells cuboidal in shape which form the walls of the ducts of glands?

Smooth Muscle Tissue

Involuntary muscle is found in the intestines where it pushes food along the digestive tract. Also found in arteries and veins.

Cilia, simple

Letter A indicates- Letter B indicates -columnar epithelium

nonkeratinized stratified squamous epithelium

Location: Lining of the oral cavity and esophagus, vagina, anus Function: The multiple layers of cells withstand abrasion from ingested materials

1) simple epithelial 2) Simple squamous epithelium 2) simple columnar epithelimu 3) Pseudostratified ciliated columnar epithelium 4) Simple cuboidal epithelium 5) Non-keratinized epithelium 6) Keratinized stratified epithelium 7) Transitional epithelium

Name the classes of epithelial tissues based on cell layers and cell shapes

Fibrocartilage

Pads between vertebrae that are shock absorbers

elastic connective tissue

Predominantly composed of elastic fibers; fibroblasts occupy some spaces between fibers.

a) ducts of most glands b) kidney tubules

Select all that contain simple cubodial epithelium.

nervous tissue

Structure: contains neurons, which have a cell body, dendrites & axon that extend from the cell body; also contain gilal cells, which lack the processes seen in neurons Functions: Neurons receive, processes and transmit nerve impulses, where as glial cells help protect, nourish & support neurons Location: brain, spinal chord, and nerves.

epithelial, connective, muscle, nervous

The 4 major tissue types are?

keratinized stratified squamous epithelium

The epidermis of the skin is composed of which type of tissue?

Pseudostratified ciliated columnar epithelium

The lining of the larynx consists of what epithelial tissue?

acinar gland

The secretory portion of a gland forms an expanded sac, the gland is called?

endothelium

The simple squamous cells that line blood and lymphatic vessels

cutaneous membrane

The skin; composed of epidermal and dermal layers

Histology

The study of tissues and their relationships within organs is called?

compound acinar gland

The type of multicellular exocrine gland in this picture is?

nonciliated simple columnar epithelium

These epithelial cells form a single layer of tall narrow cells whose apical membranes may have microvilli for increased absorption and secretion.

ciliated columnar epithelium

This type of epithelium is know for its ability to move structures like the oocyte in a uterine tube or small particles in the bronchioles of the lung?

exocrine gland

This type of gland has a duct and carries its secretions to the surface of the body or the lumen of an organ?

Microvilli

Tiny, cytoplasmic projections on the apical surface of a cell that increases the surface area for secretion and adsorption are called?

simple squamous epithelium

Tissue type shown here

True

Tissues are groups of cells that carry out a common function

hyaline cartilage

Translucent bluish white cartilage consisting of cells embedded in an apparently homogeneous matrix, present in joints and respiratory passages, and forming most of the fetal skeleton

skeletal muscle tissue

Voluntary muscle pulls on bones and causes body movements. -attaches to bones or sometimes to skin, forms external urethral and sphincters

a) number of cell layers b) shape of cells at apical surface

What criteria are used to classify epithelia?

transitional epithelium

What type of epithelium contains cells able to withstand a significant amount of stretch?

Basal epidermal layer

Where epithelium is attached to underlying connective tissue.

a) Anchors the epithelial to connective tissue b) Provide physical support c) act as a barrier

Which 3 are functions of the basement membrane?

a) It is composed almost entirely of cells b) The cells are bound closely together c) The basal surface is bound to a basement membrane

Which 3 characteristics describe epithelial tissue?

a) Richly innervated b) lack blood vessels c) has high regeneration capacity

Which 3 statements correctly describe epithelial tissue?

lining of trachea

Which is a location of pseudostratified ciliated columnar epithelium?

Mammary Gland

Which is a type of apocrine gland?

sabaceous (oil) glands

Which is an example of a holocrine gland?

Squamous

Which of the following epithelial cells are flat, wide and somewhat irregular in shape?

High regenerative capacity

Which option best explains the ability of of epithelial tissues to repair themselves?

stratified columnar epithelium

Which option is characterized by being rare in the body, found in the ducts of the salivary glands and is multicellular?

a) lines part of the anus b) keratin not present within the cells c) The cells remain alive all the way to the apical surface d) The cells remain moist

Which statements characterize nonkeratinized stratified squamous epithelial tissue?

1) cover body surfaces, 2) line body cavities, 3)line organ cavities 4) form glands

Which statements describe the locations of epithelial tissues?

a) It allows for rapid diffusion and filtration. b) It lines blood vessels

Which two statements characterize simple squamous epithelial tissue?

Pseudostratified

Which type of epithelium is composed of a single layer of cells that are attached to a basement membrane but not all the cells reach the apical surface of the epithelium?

Endocrine

Which type of glands lack ducts and can secrete their products directly into the blood stream?

goblet cells

a column-shaped cell found in the respiratory and intestinal tracts, which secretes the main component of mucus.

organ

a structure that is composed of two or more tissue types that work together to perform specific, complex functions.

adipose connective tissue

acts as a storage depot for fat -stores energy; insulates, cushions & protects **location- subcutaneous layer, surrounds and covers some organs.

mucous membrane

also called mucosa: lines passageways and compartments that eventually open to the external environment -digestive, respiratory, urinary & reproductive tracts

Collagen

cablelike long protein fibers that are strong, flexible and resistant to stretching. **found in tendons & ligaments**

elastic cartilage

cartilage with abundant elastic fibers; more flexible than hyaline cartilage * found in ear, epiglotis*

elastin fibers

contain protein elastin. The fibers branch ad rejoin and appear wavy **found in skin, arteries & lungs**

Nervous

controls activities, processes information

Epithelial

covers surfaces and lines body cavities and organs

stratified columnar

epithelium is fairly rare in the body and is found in the ducts of the salivary glands

supporting connective tissue

firm extracellular matrix bone and cartilage

areolar connective tissue

ground substance, few collagen and elastic fibers, scattered fibroblasts **protects tissues and organs, binds skin & some epithelia to deeper tissue** -Location: papillary layer of the dermis, subcutaneous layer; surrounds organs, nerve cells, some muscle cells and blood vessels.

Glands

individual cells or multicellular organs composed of epithelial tissue.

epidermis of skin

keratinized stratified squamous epithelium tissue is located on the?

serous membrane

lines body cavities that typically do not open to the external environment and covers the external surface of many organs. Form 2 passageways: Parietal and visceral layers -location: between 2 layers

Pseudostratified Ciliated columnar epithelium

lines the respiratory tract

transitional epithelium

lining of urinary bladder, ureters, and part of urethra

reticular connective tissue

meshwork of reticular fibers, leukocytes & some fibroblasts -Function-provides stroma (supportive framework) to lymphatic organs **Location: spleen, lymph nodes & red bone marrow**

Connective

protects, binds together and supports organs

ciliated

simple columnar epithelial lines the larger bronchioles of the lungs

fluid connective tissue

specialized cells that circulate in a watery fluid containing salts, nutrients, and dissolved proteins Primarily within blood vessels and in the heart **blood vessels and in the heart**

mucous connective tissue

specialized loose connective tissue present in the umbilical cord function- support structures in umbilical chord

cardiac muscle tissue

specialized muscle tissue found only in the heart

Mesenchyme Connective Tissue

spindle shaped ground substance in fluid with some immature protein fibers. **located throughout the body of the embryo**

simple epithelium

which type of epithelium is 1 layer thick?