level of organisation + micrscopes Flashcards
(32 cards)
tissues defenition
group of similar cells working together to perform a function
differentiation of a cell
developement of a cell into a specific type
epithelial tissue structure
forms a continuos layer
no blood vessels
on what does an epithelial tissue sit on
and what is this made of
sit on a basement membrane made of collagen and protein
where can you find cubiodal epithelium tissues
kidney tubulues
small intestine
what does ciliated epithelium do
cells which transport substances like mucus in bronchi
cilia move and sweep substances along
what shape is ciliated epithelium
columnar
what does squamous epithelium consist of
flattened cells on a basment membrane
what does squamous epithelium form
form the walls of the alveoli and line bowmans capsule
simple epithelium tissue
one
stratified epithelium tissue
stratified - a lot - a whole structure
3 different types of epithilium cells
cuboidial
ciliated
squamous
3 different types of muscle tissue
skeltal
smooth
cardiac
what does the skeletal muscle do
attatched to bones and moves the skeleton
has bands of long cells called fibres
can be control - tire easily
what do the fibres in skeltal muscle form
a striped pattern - striped muscle
what type of muscle is a smooth muslce
unstriped, involuntary
4 types of connective tissues
areolar tissue
tendons
ligaments
adipose tissue
what are connective tissues
connect, support or seperate tissues and organs
what do connective tissues include
elastic and collagen fibres in an extracellular fluid or matrix
areolar tissue can be found where and what does it do
around organs
connects organs and tissues together
what does collagen do
forms tendons which connect muscles to bones
what are elastic tissues
ligaments which connet bones
what is adipose tissues made of
fatty cells
where can you find adipose tissues
found just under the skin and around organs