In 1839, Theodor Schwann would expand Schleiden's cell theory to include the animal world, establishing cell theory as the fundamental concept in biology. Schleiden included this article and others in a botany textbook--one that introduced new teaching methods which would dominate the instruction of botany for years.
Nasal septum: The dividing wall that runs down the middle of the nose, separating the two nasal ' cavities, each of which ends in a nostril. The nasal septum is composed of bone, cartilage, and 'membranes.
septum piercing. A piercing (usually performed with a ball closure ring or horseshoe ring) that goes through the thin piece of skin in front of the cartilagenous division of the nasal septum (between the nostrils) That person has a septum piercing, i can see the ring. #piercing#septum#cartilage#nasal#ring#body modification.