Lab Practical 1 Flashcards
simple squamous
diffusion and filtration (blood vessels, lung, heart, kidney)
simple cuboidal
secretion (glands, ovaries, kidneys)
simple columnar
secrete mucus and absorbsion (stomach, intestines, respiratory tract)
pseudostratified columnar
secrete mucus and propel debris from resp tract (nasal cavity and trachea)
stratified squamous
protect, barrier (skin, mouth, throat, esophagus)
areolar
nourishes attached structures
adipose
store energy, cushion, protect, insulate
dense collagenous connective tissue
connect and withstand pulling forces (tendon, ligament, skin)
hyaline cartilage
reduces friction, cushion (covers end of bones)
elastic cartilage
can recoil (ear, tip of nose)
statum corneum
outermost layer
intermediate strata
middle layer; cells divide in th estratam basale and move toward the corneum
stratum basale
deepest layer attached to dermis
sebaceous oil gland
lubricates hair and skin
sweat gland
secretes water and salt
Meissner’s corpuscles
touch
Pacinian’s corpuscles
pressure
arrector pili muscle
stands hair up
hair follicle
cells that surround root and give hair shape
ribosomes
translate proteins from RNA
nucleus-chromatin
houses chromatin-DNA and proteins, nucleolus
rough ER
synthesize proteins
smooth ER
synthesize lipids; detoxification
golgi apparatus
sorts and packages proteins and lipids for external transport
secretory vesicles
distribute materials out of cell
lysosome
digests foreign material
fat vacuole
lipid??
centrioles
9 triplets of microtubules, facilitates the movement of chromosomes during cell division
mitochondria
aerobic respiration; produce ATP
phases of mitosis
interphase prophase metaphase anaphase telophase
