Introduces proprioception, the sense of body position, movement and orientation, and its role in balance, coordination and motor control. Notes its links with vision and touch, then lists the pathways, naming the dorsal column-medial lemniscus route and giving the chain of neurons for the trigeminal pathway from the face to the sensory cortex.
Inside: 2 sections · 10 flashcards · 1 min
Topic 146 of 236 in the MU Pleven syllabus for Anatomy Bones and Muscles (Medicine, Year 2). The free AceMed note covers it in 2 sections, about 131 words (1 min of reading), with 10 flashcards.
In this note
SYSTEM FOR PROPRIOCEPTION
Pathways:
SYSTEM FOR PROPRIOCEPTION
Proprioception, often referred to as the "six sense", is the ability to sense the position, movement, and sapital orientation of on's body part.
This sensory information is crucial for maintaining balance, coording movements.
The proprioceptive system involves several components and pathways.
* Proprioception is closely linked to the motor system, influencing motor planning, execution & coordination.
* Proprioception is integrated with information from other sensory modalities, such as vision and touch, to provide a comprehensive understanding of oné's body in the environment
Pathways:
1. Dorsal column - medial lemniscus (DC-ML) (explained in 149)
↳ from the body.
2. Main Sensory trigeminal pathway: (from the face)
1° trigeminal ganglion → 2° main sensory trigeminal nucleus (in the pons) → X → trigeminal lemniscus → 3° VPLN in the thalamus → 1° sensory cortex.
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