kellbrook

do virus contain vitamins and minerals?

okay so tissue like skeletal muscle get nutrients which go through capillaries(paracellularly), and these capillaries are sigle layered. i know some veins or maybe arteries have cappilaries running through them. but some of them don't right? th veins and arteries are multilayered composed of smooth muscle cells and others. for the veins and arteries that don't have cappillaries running through them, i think i know how the cells in the innermost layer get nutrients, but how does nutrient get to cell layers that are not in direct contact with blood, does nutrient go between(paracellular) or through(transcellular) the cells of the inner layers? also the outermost layer does not allow nutrient flow from the intravascular to the extravascular or from the extravascular to the intravascular right?

how can one measure total magnesium content and total atp content in muscle biopsy. thanks

the liquid cooking oil, that says vegitable oil or vegitable oil blend is not hydrogenated right? hydrogenated oils are usually solid at room temperature right? i checked the label coudn't find any mention if it was hydrogenated or not. thanks

so i know that red blood cells carry oxygen in hemoglobin, and the red blood cells are delivered to cells, but does the red blood cell derectly transfer oxygen to the cell? or does it diffuse to plasma first? can someone explain what technically happens to get oxygen from red blood cells into the cells of thte body?

just found out ,red blood cells unload oxygen into plasma, plasma carrying oxygen unloads oxygen into cells normally if you get a cut the scab turns black logically because of red blood cells, but what if the cut is into an avascular layer like epidermis would th scab turn black or stay yellow from less or lack of red blood cells?

how does the epidermis get oxygen there are no blood vessels? also if get a cut, no deeper than the epidermis ,would the scab turn dark or black or stay yellow?

so in the laboratory, is there something called an ultrafilter? or something that performs this kind of task?

what does ultrafilterable mean? example non-ultrafilterable magnesium thanks

i think its nmr, nmri, nmrs..... nuclear magnetic resonance, nuclear magnetic resonance imaging, nuclear magnetic resonance spectroscopy

some times mri is with radiotracer or contrast , does mrs sometimes require radio tracer or contrast or something similar? in vivo or laboratory.

what type of tissue makes up cappillarries, veins and arteries ?

thanks

can you send pms on this site, and how?

is there anything strong enough for pain fom minor surgery like muscle biopsy, that acts locally, and without the need for central anesthetia, but doesn't numb you like local anesthetic?

john cuthber, and you don't think the drugs like NSAIDs, aspirin, and acetaminophen alone without local anesthetic is strong enough to combat pain from minor surgery like muscle biopsy? also can you send pm on this site? and how?

seems like although possible, it would be very painful for minor surgery with just NSAINDs aspirin and acetaminophen, right guys?

do they or can they use just NSAIDs, acetaminophen or aspirin for minor surgery like for muscle biopsy?

does every skeletal muscle cell have its own neuron? what is the size of neurons in peripheral tissues compared to skeletal muscle cells?

nitrous oxide is used for anesthesia, can nitric oxide be used for anesthesia? nitric oxide causes vasodilation, can nitrous oxide cause vasodilation? can inhaled nitrous oxide be metabolized to nitric oxide? or vice versa?

charonY hopefully you can answer thanks

i know there are sodium leak channels for inward flow into cell and there voltage gated sodium channels for inward flow into cell, but are there sodium leak channels for outward flow? and are there voltage gated sodium channels for outward flow? i know there are calcium leak channels for inward flow, and calcium voltage gated channels for inward flow,but are there calcium leak channels for outward flow? and are there calcium voltage gated channels for outward flow? i know there leak channels for potassium outward flow and potassium voltage agted channels for outward fflow,but are there leak channels for potaasium inward flow? and are there potassium voltage gated channled for outward flow?

i was reading it says some sensory neurons don't convert external stimuli to action potential, instead it releases neurotransmitters, but what do they mean when they say it converts the stimuli into continuous graded potential? isn't this the same as an action potential? what are some examples of nonexcitable cells? do all neurons have voltage gated sodium channels? does fast sodium channels just another word for voltage gated sodium channels?

i think that sometimes cell release atp or atpmg into the extracellular, but i don't how long the atp-mg2 stays intact