Which of the following represents the correct order of components in an involuntary spinal reflex arc?

A) Effector, sensory neuron, motor neuron, interneuron, sensory receptor
B) Sensory neuron, interneuron, sensory receptor, motor neuron, effector
C) Sensory receptor, sensory neuron, interneuron, motor neuron, effector
D) Interneuron, sensory receptor, sensory neuron, effector, motor neuron
E) Sensory receptor, motor neuron, interneuron, sensory neuron, effector

The sella turcica (Turkish saddle)is an important depression in the sphenoid bone, which provides bony protection for the pituitary gland.