The Medial Pathway That Controls Involuntary Movements of Head, Neck

question 48

Multiple Choice

The medial pathway that controls involuntary movements of head, neck, and arm position in response to sudden visual and auditory stimuli is the ________ tract.

• A) lateral corticospinal
• B) tectospinal
• C) rubrospinal
• D) reticulospinal
• E) vestibulospinal

---

Definitions:

Canaliculi

Small, channel-like structures in bone tissue that allow for the passage of nutrients and waste materials between blood vessels and osteocytes.

Lamellae

Thin layers or plates, often of bone or tissue, that are structured in a concentric fashion, as in the case of bone lamellae around Haversian canals.

Perforating Canal

Channels within the bone that provide energy and nourishing elements from the periosteum through to the compact bone.

Haversian Canal

The central channel, containing blood vessels and nerves, found in the osteon or structural unit of compact bone.