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.
Common Uses. Vermiculite and peat moss are often used in conjunction to increase the water-and air-holding capacity of a growing medium. A ratio of 1 part peat moss to 2 parts vermiculite is a common formulation, plus the addition of other ingredients, depending on the purpose of the 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.