Fibrovascular bundle and Vascular tissue

Fibrovascular bundle noun - A unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem.

Vascular tissue and fibrovascular bundle are semantically related. In some cases you can use "Vascular tissue" instead a noun phrase "Fibrovascular bundle".

Vascular tissue noun - Tissue that conducts water and nutrients through the plant body in higher plants.

Fibrovascular bundle and vascular tissue are semantically related. Sometimes you can replace phrase "Fibrovascular bundle" with "Vascular tissue", this phrases are similar.