Transmission of a nerve impulse along an axon. A nerve cell is like a receiver, transmitter and transmission line with the task of passing a signal along from its dendrites to the axon terminal bundle. The stimulus triggers an action potential in the cell membrane
From Wikipedia, the free encyclopedia. Human body cavities: Dorsal body cavity is to the left. The dorsal body cavity is located along the dorsal (posterior) surface of the human body, where it is subdivided into the cranial cavity housing the brain and the spinal cavity housing the spinal cord.The two cavities are continuous with one another.rom Wikipedia, the free encyclopedia. Human body cavities: Dorsal body cavity is to the left. The dorsal body cavity is located along the dorsal (posterior) surface of the human body, where it is subdivided into the cranial cavity housing the brain and the spinal cavity housing the spinal cord.
Cranial cavity: enclosed by the skull and contains the brain, eyes, and ears. Spinal canal: enclosed by the spine and contains the spinal cord. Ventral body cavity contains the thoracic cavity (contains the lungs and heart) and the abdominopelvic cavity (contains abdomen and pelvic cavity).Abdominal cavity: enclosed by the ribcage and pelvis and contains the kidneys, ureters, stomach, intestines, liver, gallbladder, and pancreas.pinal canal: enclosed by the spine and contains the spinal cord. Ventral body cavity contains the thoracic cavity (contains the lungs and heart) and the abdominopelvic cavity (contains abdomen and pelvic cavity).