Search found 272 matches

by TheVirus
Sun Nov 01, 2009 10:52 pm
Forum: Human Biology
Topic: Nystagmus
Replies: 3
Views: 1956

Nystagmus

Nystagmus is an involuntary eye movement. I just want to know if it happens while you sleep, if it has any known biological purpose, or anything else you might know about it. Thanks.
by TheVirus
Sun Nov 01, 2009 10:49 pm
Forum: Site Suggestions
Topic: Congrats!
Replies: 3
Views: 2927

Congrats!

Hey, i just registered today i am still really amazed by this site. It's really great. No kidding! I just thought i should say it. Congratulations.
by TheVirus
Sun Nov 01, 2009 10:42 pm
Forum: Site Suggestions
Topic: Diseases & Disorders section
Replies: 1
Views: 2280

Diseases & Disorders section

Hey, i think i'd be a cool idea to create a Diseases and Disorders section in the forum, or something like that , for people who have a disease or think they have a disease and need to know more about it, or for posting about really rare or interesting disorders, etc. Just a suggestion. Please, thin...
by TheVirus
Sun Nov 01, 2009 10:30 pm
Forum: Genetics
Topic: Specialization
Replies: 3
Views: 4561

Oh, thanks.
by TheVirus
Sun Nov 01, 2009 10:28 pm
Forum: General Discussion
Topic: Headaches
Replies: 10
Views: 5175

Headaches

Such a common thing in our daily lives, but most of us know nothing about them. All i know is that they sometimes happen when the blood vessels in the head/brain have a bigger blood flow (because you're thinking hard, or stressed, or you're not breatihng right so more oxygen needs to be brought to t...
by TheVirus
Sun Nov 01, 2009 10:21 pm
Forum: Genetics
Topic: Specialization
Replies: 3
Views: 4561

Specialization

Specialization or cellular differenciation (please correct me if these are two different concepts) is the process by which a less specialized cell becomes a more specialized cell type, changing dramatically a cell's size, shape, membrane potential, metabolic activity, and responsiveness to signals. ...
by TheVirus
Sun Nov 01, 2009 9:13 pm
Forum: Human Biology
Topic: Numbness
Replies: 8
Views: 9674

Technically, yes, the nervous system is affected, but only the peripheral nerves (in this case, the ones in your arm), not the brain , or brain stem, or spinal cord, etc. Here, when you sleep with your arm in that position, you put pressure on the blood vessels, stopping the blood flow to the nerves...
by TheVirus
Sun Nov 01, 2009 4:35 pm
Forum: Human Biology
Topic: Differences between phagocytes and lymphocytes?
Replies: 3
Views: 32272

Differences between phagocytes and lymphocytes?

Hey, i know this is a pretty standard question, but i just can't find the answer anywhere. Does any of u know the differences between phagocytes and lymphocytes in structure and function?