Ch 3 Lec 1 Tissues Flashcards by Francis Mendoza

many tissues make up a blank

organ

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tissues are made of similar types of blank

cells

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Four primary types of tissues

epithelial, connective, muscle, neural

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three characteristics of epithelial tissue

regeneration, polarity, covers all body surfaces, cellularity, attachment, avascularity

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do blood vessels run through epithelial tissue?

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three functions of epithelial tissue

physical protection, control permeability, sensation, secretions

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glandular products are made from blank tissue

epithelial

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There is blank space between epithelial cells

little

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there is no blank matrix in epithelial tissue

intercellular

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nutrients are usually supplied through blood in the underlying tissue underneath blank tissue

epithelial

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The polar sides of epithelial tissue are…

basal, lateral, apical

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basal side grows off a basal blank

lamina

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lateral side contacts blank cells and cell blanks

adjacent, junctions

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apical side is exposed to blank and has these two specializations

lumen… microvilli, cilia

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basal lamina is also known as

basement membrane

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lamina lucida means blank

clear layer

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lamina densa means blank

dense layer

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three types of classification of epithelial tissue

simple, pseudostratified, stratified

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function is secretion and absorption epithelial tissue

simple

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epithelial tissue whose function is protection

stratified

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single layer of cells epithelial tissue

simple

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single layer of cells that look stratified

pseudostratified epithelial tissue

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two or more layers of epithelial tissue

stratified

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four shapes of epithelial tissue

squamous, cuboidal, columnar, transitional

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cells are flattened in this epithelial tissue shape

squamous

cells are usually cube shaped or hexagons epithelial shape

cuboidal

tall and cylindrical cells epithelial shape

columnar

shape changes in this shape of epithelial tissue

transitional

any type of epithelium has blank names

two... ex) simple squamous

structure is one layer, thin, flat, irregular

simple squamous

function is absorption, diffusion, reduce friction

simple squamous

location of simple squamous

blood vessels, lungs, kidney tubules, serous membranes

structure is one layer, hexagonal box shaped cells

simple cuboidal

function is absorption, secretion, limited protection

simple cuboidal

location of simple cuboidal

glands, ducts, kidney tubules

structure is one layer, hexagonal column shaped cells

simple columnar

function is protection, absorption, secretion

simple columnar

location of simple columnar

stomach, intestine, gall bladder, uterine tubes

structure is one layer, multi shaped cells with nuclei at varied heights

pseudostratified columnar

function is protection and secretion

pseudostratified columnar

location of pseudostratified columnar

male urinary tracts

structure is thin, flat, irregular, multiple layer cells

stratified squamous

function is protection against frequent abrasion

stratified squamous

location of stratified squamous

skin, mouth, throat, esophagus, rectum, anus, vagina

structure is multiple layered, hexagonal shaped boxes

stratified cuboidal

function is secretion

stratified cuboidal

location of stratified cuboidal

some ducts

structure is multiple layers, hexagonal column shaped cells

stratified columnar

function is protection and secretion

stratified columnar

location of stratified columnar

pharynx, anus

strucuture is multiple layers and can change shape

transitional

function is expansion and recoil without tearing

transitional

location of transitional

urinary bladder, renal pelvis

females urinate blank than males

several glandular epithelial cells put together equals

gland

two types of glands

exocrine, endocrine

gland that secretes products into ducts that open on a surface

exocrine

gland that secretes products into tissue fluid or blood

endocrine

two types of exocrine glands

unicellular, multicellular

single cell and goblet cell are blank exocrine glands

unicellular

secretory sheets, simple, and compound exocrine glands are blank

multicellular

two types of multicellular exocrine glands

simple, compound

one large sheer covering a surface and rarely have ducts or pockets and is an exocrine multicellular gland

secretory sheets

have one distinct duct and can be tubular, coiled or alveolar and is multicellular exocrine gland

simple

a multicellular exocrine gland that has many distinct ducts and can be tubular, coiled, or alveolar

compound

three types of exocrine glands

merocrine, apocrine, holocrine

exocrine gland that secrete products by exocytosis. ex salivary gland

merocrine

vesicles within cytoplasm bring product to the surface

exocytosis

exocrine gland that pinches off of cell portion and the product is within this portion. ex. mammary glands

apocrine

exocrine gland that product accumulates in cytosol and cell ruptures and becomes the product. ex. sebaceous glands

holocrine glands

three traits of connective tissue

most abundant, multiple functions, spread apart, able to reproduce, well nourished, vary in structure

connective tissue blank occur on free surface

does not

cartilage and tendons are unlike other connective tissue because it does not have blank

good nerve/ blood supply

all connective tissue is derived from blank cells

mesenchymal cells

stem cells that differentiate into the multitude of cell types in all connective tissue

mesenchymal cells

this is secreted by cells, has protein fibers and ground substance

extracellular matrix

connective tissue is composed of these two things

extracellular matrix, cells

connective tissue blank produce the matrix

cells

cells rarely blank due to the extracellular matrix

touch

three functions of connective tissue

bind structures, support, protection, fill spaces, store fat, produce blood, repair damage, protect against infection, transport fluids & dissolved materials

connective tissue with cells and fibers in gel like ground substance

connective tissue proper

two types of connective tissue proper

loose, dense

connective tissue proper that is areolar, adipose, reticular

loose

connective tissue proper that is regular, irregular, elastic

dense

produce protein fibers in connective tissue proper

fibroblasts

white blood cells that consume damaged cells and invaders in connective tissue proper

fixed macrophages

fat cells in connective tissue proper

adipocytes

produce melanin in connective tissue proper

melanocytes