The ethmoid or ethmoidal bone is a pnumatized part of the human skull, technically one of the pieces that make-up the neurocranium. It constitutes to portions of the nasal cavity, cranium floor, and eye sockets. Pnumatized bone are bones that have air-filled cavities, making them much lighter when...
For the first time in 456 years, the Winter Solstice this year (December 21st) will coincide with a lunar eclipse (very early in the morning). Historically, the winter solstice has played an important part in different cultural traditions. It is often seen as a time of renewal and rebirth,...
Pepsin is produced in the stomach and is the first protein to act on breaking down the proteins contained in foodstuffs so that they may begin the digestive process. Pepsin is inert when produced but is activated in the stomach by hydrochloric acid (HCl). Food proteins processed by Pepsin will...
Cells go through the cell division process to divide themselves depending upon the body’s requirements regarding the functions of those particular cells. Cell division is simply the nucleus of the cell splitting, followed by the replication of DNA. There are two categories of cell division based...
Though there are some similarities especially in structural elements, plant and animal cells do differ especially in functions. Animal and plant cells both have cytoplasm, cell membrane and a nucleus. The cell walls of plants are made up of cellulose. Cellulose allows high pressure to build up...
The Cranium is a group of bones that can generally and simply be defined as the skull or the bones on a human head, simple enough but still not too vague for everyday consumption. If you look for a more detailed meaning you’ll see that it’s actually a fair definition. On a side note “craniates” is...
In the fields of psychology and anthropology one might encounter the term “Human Universals”, this term refers to certain behaviors or thought processes that are said to be “hard-wired” into the brain as dictated by the human genomes. Human Universals is one of the arguments against cultural...
To the lay man, bone marrow is simply the part of the bone that produces more blood, but academics and medicinal practitioners know that not all bone marrow produces new blood cells since the only one capable of doing so is the red marrow. There are two basic kinds of bone marrow the first being...
Homeostasis is when the situation or current state of things is not significantly changed or altered. Imagine the situation where there is a man in the middle of the sea waiting for somebody to discover and rescue him. The homeostasis that the man will be working towards will be primarily to...
A cancer patient battling leukemia and living with HIV, has been "cured" of HIV by a team of German doctors. In a rare and defining medical moment, a team of German researchers led by Thomas Schneider, performed a 2007 bone marrow transplant on a patient battling leukemia and HIV and found, due...
