thylakoid

As nouns the difference between stroma and thylakoid

is that stroma is the tissue structure of an organ, etc., that serves to support it while thylakoid is a folded membrane within plant chloroplasts from which grana are made, used in photosynthesis.

As a proper noun Stroma

is an island of the northern coast of Scotland.

is likely misspelled.

has no English definition.

As a noun thylakoid

is a folded membrane within plant chloroplasts from which grana are made, used in photosynthesis.

In biology terms the difference between thylakoid and granum

is that thylakoid is a folded membrane within plant chloroplasts from which grana are made, used in photosynthesis while granum is a stacklike structure in plant chloroplasts that contain chlorophyll; the site of photosynthesis.