Hooded prepuce incomplete circumferential formation of foreskin with a dorsal component (the dorsal hood) but an absent or incomplete ventral portion. Typically seen in boys with hypospadias or isolated chordee. In the rare condition of epispadias, the hooded portional prepuce may be ventral...
This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..
Meet some of New Zealand's unique fauna, including endemic insects, frogs, reptiles, birds, and mammals, and investigate..
Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
