Dense irregular connective tissue. Dense irregular connective tissue has fibers that are not arranged in parallel bundles as in dense regular connective tissue. Substances formed[edit] This tissue comprises a large portion of the dermis. This type of tissue is also in the protective white layer of the eyeball and in the deeper skin layers.
Definition of VERMICULITE. : any of various micaceous minerals that are hydrous silicates resulting usually from expansion of the granules of mica at high temperatures to give a lightweight highly water-absorbent material.
Both vermiculite and perlite are used in the garden to prevent soil compaction, improve aeration and retain moisture. Theyâre also used in propagation of new plants and seed cultivations, as well as in indoor container growing, composting and on lawns.