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.
Vermiculite and peat moss are often used in conjunction to increase the water-and air-holding capacity of a growing medium.eat moss refers to organic matter harvested from bogs in many northern regions of the world. For horticultural use, it's usually run through a mill to chop it up into a uniform size. It is dark brown in color and has a spongy texture, capable of holding a lot of water for its volume.