Olfactory tract

Olfactory Tract

The olfactory tract is a bilateral structure in the brain that plays a crucial role in the processing of olfactory information. It is part of the olfactory system, which is responsible for the sense of smell.

Anatomy

The olfactory tract is a bundle of nerve fibers that connects the olfactory bulb to the olfactory cortex. It is located in the anterior cranial fossa, above the cribriform plate of the ethmoid bone. The tract is divided into two parts: the lateral and medial olfactory stria.

Function

The primary function of the olfactory tract is to transmit olfactory information from the olfactory bulb to the olfactory cortex. This information is then processed and interpreted as different smells. The olfactory tract also plays a role in the limbic system, contributing to the emotional response to smells.

Clinical significance

Damage to the olfactory tract can result in anosmia, a loss of the sense of smell. This can be caused by a variety of factors, including traumatic brain injury, neurodegenerative diseases such as Alzheimer's disease, and tumors.

See also

• Olfactory nerve
• Olfactory receptor
• Olfactory epithelium