21. The left pulmonary artery arises anterior to the right main bronchus near its origin from the hilum . 22. From here, the air tracks to the hilum of the lung and then to the mediastinum. 23. A . Seed Coat B . Cotyledon C . Hilum D . Plumule E . Radicle F . Endosperm 24. They are dark brown in colour and have a linear hilum which is 1 length of their caryopsis. 25. Their axons leave medially through the hilum , cross the midline, and ascend into the cerebellum via the inferior cerebellar peduncle. 26. The fibers leaving the inferior olivary nucleus at the hilum may be referred to as the " peduncle " of the olive. 27. This tumor tends to occur around the region of the ovary where the blood vessels enter the organ otherwise known as the hilum . 28. The seeds are ovate, slightly flattened, and somewhat thinner at the eye of the seed ( hilum ) than at the opposite end. 29. The left atrial appendage can be seen on a standard posteroanterior x-ray, where the lower level of the left hilum becomes concave. 30. Embryo curved, near the summit of the copious oleo-fleshy albumen, its radicle next the hilum ; cotyledons oblong .-->
