Hilum vs. Micropyle — What's the Difference?

The scar on a seed, such as a bean, indicating the point of attachment to the funiculus.

(Botany) A minute opening in the ovule of a seed plant through which the pollen tube usually enters.

The nucleus of a starch grain.

(Zoology) A pore in the membrane covering the ovum of some animals through which a spermatozoon can enter.

The area through which ducts, nerves, or blood vessels enter and leave a gland or organ.

(botany) In seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum.

(botany) The eye of a bean or other seed; the mark or scar at the point of attachment of an ovule or seed to its base or support.

(zoology) The hilum of an ovum at the point of attachment to the ovary; any opening in the coverings of an ovum by which spermatozoa may find entrance.

(botany) The nucleus of a starch grain.

An opening in the membranes surrounding the ovum, by which nutrition is assisted and the entrance of the spermatozoa permitted.

(anatomy) A depression or fissure through which ducts, nerves, or blood vessels enter and leave a gland or organ; a porta.

Minute opening in the wall of an ovule through which the pollen tube enters

The eye of a bean or other seed; the mark or scar at the point of attachment of an ovule or seed to its base or support; - called also hile.

The part of a gland, or similar organ, where the blood vessels and nerves enter; the hilus; as, the hilum of the kidney.

(anatomy) a depression or fissure where vessels or nerves or ducts enter a bodily organ;

The scar on certain seeds marking its point of attachment to the funicle