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WorksheetsOxytocin Pathway
Total questions: 16
Worksheet time: 8mins
The baby's head drops deep into the female pelvis.
Stimulus
Motor Output
Response
Sensory Input
Integration
"the drop"
Stimulus
Motor Output
Response
Sensory Input
Integration
Lightening
Stimulus
Motor Output
Response
Sensory Input
Integration
The pressoreceptors send a signal to the sensory neurons.
Stimulus
Motor Output
Response
Sensory Input
Integration
The sensory neurons send a signal to the hypothalamus in the brain.
Stimulus
Motor Output
Response
Sensory Input
Integration
The hypothalamus sends a signal to the posterior pituitary which secretes oxytocin into the bloodstream.
Stimulus
Motor Output
Response
Sensory Input
Integration
Oxytocin travels through the bloodstream to the uterus.
Stimulus
Motor Output
Response
Sensory Input
Integration
The uterine wall contracts vigorously.
Stimulus
Motor Output
Response
Sensory Input
Integration
Contractions continue until...
The baby is delivered
12 - 20 hours have passed
The baby stops moving
The uterus returns to its normal size
Uterus
Effector
Control Center
Receptor
Stimulus
Hypothalamus, Posterior Pituitary
Effector
Control Center
Receptor
Stimulus
Pressoreceptors
Effector
Control Center
Receptor
Stimulus
Why are labor contractions controlled by positive feedback mechanisms?
The response is amplified
The response is reduced
The stimulus is amplified
The stimulus is reduced
maintenance of internal equilibrium using a system of feedback controls to stabilize health and functioning
Positive Feedback
Homeostasis
Negative Feedback
Oxytocin
a neurological pathway that reinforces a stimulus, leading to an even greater response.
Positive Feedback
Homeostasis
Negative Feedback
Oxytocin
hormone secreted by the posterior lobe of the pituitary gland that stimulates contractions
Positive Feedback
Homeostasis
Negative Feedback
Oxytocin
estrogen
