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Small areas of discoloration may appear on a newborn, caused by the way certain blood vessels form. The formal name for these marks is telangiectatic nevi. Common names for these birthmarks include angel kisses and stork bites. Although parents often worry that these will last a lifetime or grow darker, these marks often grow lighter and disappear as children age.
The pneumotaxic center, also known as the pontine respiratory group (PRG), is a network of neurons in the rostral dorsal lateral pons.It consists of the Koelliker-KÃ¶lliker fuse nucleus and the medial parabrachial. Nucleus it is considered an antagonist to the apneustic, center which produces abnormal breathing during. inhalationespiratory effects [edit]. The PRG antagonizes the apneustic center, cyclically inhibiting inhalation. The PRG limits the burst of action potentials in the phrenic nerve, effectively decreasing the tidal volume and regulating the respiratory rate.