Answer:
The yellow light bulb shaped thing you are referring to is likely the cell body, also known as the soma or perikaryon.
Step-by-step explanation:
In a sensory neuron, the cell body is located in the dorsal root ganglion (DRG) just outside the spinal cord. It contains the nucleus and other organelles that are necessary for the neuron to carry out its metabolic functions. The dendrites, which are responsible for receiving incoming signals from other neurons, extend from the cell body. The axon, which carries outgoing signals away from the cell body, also extends from the cell body.
References:
Carlson, B. M. (2014). Human embryology and developmental biology. Elsevier Health Sciences.
Kandel, E. R., Schwartz, J. H., & Jessell, T. M. (2000). Principles of neural science. McGraw-Hill, Health Professions Division.
Purves, D., Augustine, G. J., Fitzpatrick, D., Hall, W. C., LaMantia, A. S., McNamara, J. O., & White, L. E. (2018). Neuroscience (6th ed.). Sinauer Associates.
Shepherd, G. M. (Ed.). (2003). The synaptic organization of the brain (5th ed.). Oxford University Press.