It is also extremely dry at cruising altitude, and this causes sore eyes, dry skin and mucosa on long flights.

The gastric mucosa protects itself from gastric acid with a layer of mucus, the secretion of which is stimulated by certain prostaglandins.

The receptors are distinct from each other and from the large family of receptors in the main olfactory system.

And I can with all honesty look her in the eye and say, Because our pheromones matched our olfactory receptors.

By seven months of gestation, the fetus' taste buds are fully developed, and its olfactory receptors, which allow it to smell, are functioning.

While other mammals rely heavily on their sense of smell, the arboreal life of primates has led to a tactile, visually dominant sensory system, a reduction in the olfactory region of the brain and increasingly complex social behavior.

This particular object that many people love so much is actually based on kind of a scientific experiment the fact that bees have a very strong olfactory sense, and so much like dogs that can smell certain kinds of skin cancer bees can be trained by Pavlovian reflex to detect one type of cancer, and also pregnancy.