It is somewhat flattened, considerably narrower than the gastric surface, and is in relation with the upper part of the anterior surface of the left kidney and occasionally with the left adrenal gland. Like the thymus, the spleen possesses only efferent lymphatic vessels. The spleen is part of the lymphatic system. Both the short gastric arteries and the splenic artery supply it with blood. The germinal centers are supplied by arterioles called penicilliary radicles.
It depends on how well your baby is sleeping at night. Some babies confuse their days and nights â sleeping more during the day than at night. One way to set your baby straight is to limit daytime naps â especially those in the late afternoon â to no more than three or four hours each. If your baby is napping for too long at the end of the day, it can make it harder for him or her to fall asleep at bedtime.
When babies are about 3 to 4 months old, daytime sleep starts to take on a predictable pattern. When this happens, you can start developing a naptime routine. 6 Months. At 6 months of age, babies take about 2 to 3 naps daily.They follow a pattern of 1 early in the day, 1 after lunchtime and another before dinnertime.9 â 12 Months. When babies reach 9 to 12 months, they usually only take two naps daily.etween 1 year and 18 months, some babies may only nap one time a day in the afternoon hours and may do this until they are 3 to 5 years old. At this time, some parents find it easier to adjust the bedtime schedule to give them more rest at night.