smell

Signal transduction

...includes the ligands responsible for sensations of smell and taste. Steroids represent an example of extracellular signals that can cross the membrane to permeate cells, which they are able to do because of a partial affinity for oily surroundings (see hydrophobic ). Intracellular Often, but not alw...

Semen

...ermidine and cadaverine are responsible for the smell and flavor of semen. These alkaline bases counteract the acidic environment of the vaginal canal (which is harmful to sperm), and protect DNA inside the sperm from acidic denaturation. Salts and metal ions in the semen help to create a more hospita...

Proprioception

...xteroception human senses of sight , taste , smell , touch , and hearing , that advise us of the outside world, proprioception is a sense that provides feedback solely on the status of the body internally. It is the sense that indicates whether or not your body is moving with required effort as wh...

Olfaction

Olfaction , the sense of smell , is the detection of chemicals dissolved in air (...ontents showTocToggle("show","hide") 1 How smell works 2 Olfaction in the animal kingdom 3 References 4 External links How smell ...

Diabetes mellitus

...cially dangerous symptoms in diabetics include the smell of acetone on the patient's breath (a sign of ketoacidosis ), Kussmaul breathing (a rapid, deep breathing), and any altered state of consciousness or arousal (hostility and mania are both possible, as is confusion and lethargy). The most dangero...