hilum

/hahy-luhm/US // ˈhaɪ ləm //UK // (ˈhaɪləm) //

疝气,铰链,脐带,脐带血

Definitions

n.名词 noun

1
plural hi·la [hahy-luh]. /ˈhaɪ lə/.
- : Botany. the mark or scar on a seed produced by separation from its funicle or placenta.the nucleus of a granule of starch.
- : Mycology. a mark or scar on a spore at the point of attachment to the spore-bearing structure.
- : Anatomy. the region at which the vessels, nerves, etc., enter or emerge from a part.

He considers the centre of the hilum as the base, and the chalaza, where it exists, as the natural apex of the seed.
The blood-vessels enter at one spot, the hilum, and are distributed along the trabeculae.
The hilum or base of the seed, and the chalaza or base of the nucellus are united by means of the raphe r.
This tear extended up into the hilum of the lobe, but had not torn a major bronchus or a major blood vessel.
In the Cetacea this transverse opening is kidney-shaped, the hilum of the kidney being above.