micropyle

In botany|lang=en terms the difference between micropyle and chorion

is that micropyle is (botany) in seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum while chorion is (botany) the outer membrane of seeds of plants.

As nouns the difference between micropyle and chorion

is that micropyle is (botany) in seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum while chorion is (anatomy|biology) the protective and nutritive membrane in higher vertebrates that attaches the fetus to the uterus.

As nouns the difference between micropyle and operculum

is that micropyle is (botany) in seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum while operculum is a covering flap or lidlike structure in plants and animals, such as a gill cover.

As an adjective centripetal

is directed or moving towards a centre.

As a noun micropyle is

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

In botany|lang=en terms the difference between funicle and micropyle

is that funicle is (botany) the stalk or stem of an ovule or seed while micropyle is (botany) in seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum.

As nouns the difference between funicle and micropyle

is that funicle is (botany) the stalk or stem of an ovule or seed while micropyle is (botany) in seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum.

As a noun micropyle is

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

As nouns the difference between micropyle and micropile

is that micropyle is in seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum while micropile is microfleece (material).

As nouns the difference between micropyle and cotyledon

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

As a noun micropyle

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

As an adjective orthotropous is

(botany|of an ovule) growing straight and having the micropyle at the apex.