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The midbrain or mesencephalon is the uppermost portion of the brainstem connecting the diencephalon and cerebrum with the pons. [2] It consists of the cerebral peduncles , tegmentum , and tectum . It is functionally associated with vision, hearing, motor control, sleep and wakefulness, arousal ( alertness ), and temperature regulation.
Pontine nuclei; Pontine cranial nerve nuclei. Chief or pontine nucleus of the trigeminal nerve sensory nucleus (V); Motor nucleus for the trigeminal nerve (V); Abducens nucleus (VI) ...
Anatomically, as the name suggests, the MLR is located in the mesencephalon (or midbrain), ventral to the inferior colliculus and near the cuneiform nucleus. [6] Although identifying the exact anatomical substrates of the MLR has been subject to considerable debate, the pedunculopontine nucleus (PPN), cuneiform nucleus, and midbrain ...
The mesencephalon is the second of the three primary vesicles, and does not further differentiate into a secondary brain vesicle. This will become the midbrain. The third primary vesicle, the rhombencephalon (hindbrain) will further differentiate into two secondary vesicles, the metencephalon and the myelencephalon.
Shares of apparel retailer Urban Outfitters (NASDAQ: URBN) soared on Wednesday after the company reported financial results for its fiscal third quarter of 2025. As of 11:30 a.m. ET, Urban ...
It forms the floor of the midbrain (mesencephalon) whereas the tectum forms the ceiling. [2] It is a multisynaptic network of neurons that is involved in many subconscious homeostatic and reflexive pathways. It is a motor center that relays inhibitory signals to the thalamus and basal nuclei preventing unwanted body movement. [citation needed]
If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1248 ahead. Let's start with a few hints.
Spain has arrested one of its top police officers after 20 million euros were found hidden in the walls of his house, as part of a probe into the country's largest-ever cocaine bust.. Described as ...