For some species of fungus, the hilum is the microscopic indentation left on a spore when it separates from the sterigma of the basidium.
32.
The hilum presents as a depression on the surface of the lymph node, causing the otherwise spherical lymph node to be bean-shaped or ovoid.
33.
The parietal pleura surrounding the root of the lung extends downwards from the hilum in a fold called the "'pulmonary ligament " '.
34.
American chestnuts can be identified by the faint star-burst pattern on the hilum, the tan patch on the shell where the nut attaches to its husk.
35.
At the pointed tip of the spore ( the hilum ) closest to the supporting basidium, Buller's drop accumulates as a large, almost spherical water droplet.
36.
On the same surface, immediately above the hilum, is a well-marked curved groove for the aortic arch, and a groove below it for the descending aorta.
37.
This stroma forms the tissue of the hilum by which the ovarian ligament is attached, and through which the blood vessels enter : it does not contain any ovarian follicles.
38.
A scar also may remain on the seed coat, called the "'hilum "', where the seed was attached to the ovary wall by the funicle.
39.
In a review of literature compiled by Kallenburg and co-workers, less than 30 % of GCCLs arose in the hilum or other parts of the " central " pulmonary tree.
40.
At the root of the lung, the right superior pulmonary vein lies in front of and a little below the pulmonary artery; the inferior is situated at the lowest part of the lung hilum.
