You can trade the five dots that indicate your iPhone's signal strength for a number. No jailbreak required. If you are a numbers person, you may like this iPhone hack that replaces the five dots in the upper-left corner of your iPhone that indicate the strength of your cellular signal with a numerical value. It does not require you to jailbreak your phone -- all you need to do is jump in and out of the hidden Field Test mode.
The subglottis or subglottic region is the lower portion of the larynx, extending from just beneath the vocal cords down to the top of the trachea. The structures in the subglottis are implicated in the regulation of the temperature of the breath.
Medulloblastomas. Medulloblastomas are always located in the cerebellum, which is at the base and toward the back of the brain. These fast-growing high-grade tumors represent about 15 - 20% of pediatric brain tumors and 20% of adult brain tumors. Brain stem gliomas develop in the lowest portion of the brain. 2  The brain stem connects the cerebrum (the higher centers of the brain) to the spinal cord. 3  Between 10 - 20% of brain tumors in children are brain stem gliomas.