What is Botryoidal tissue?
Botryoidal tissue is a grape-like mass of cells that have a brown-pigment and performs the function of excretory cells. It is commonly found in the phylum Annelida. It contains two different types of cells; they are granular botryoidal cells and flattened endothelial cells.
What is the function of Botryoidal tissue in leech?
botryoidal tissue in hirudinea parenchyma and connective tissue that invade the Coelom . It consist of grape like masses of cell containing a brown pigment and may serve an excretory function.
Where do we observe Botroidal tissue?
Botyoidal tissue is found surrounding the alimentary canal of leech and is probably excretory in function.
What is parenchymal cells in humans?
Parenchyma makes up most of the cells within leaves, flowers, and fruits. It refers to the cells that perform the biological function of the organ – such as lung cells that perform gas exchange, liver cells that clean blood, or brain cells that perform the functions of the brain.
What is the blood sucking habit of leech is known as?
The blood-sucking habit of a leech is known as Sanguivorous.
How many pairs of eyes does a leech have?
The medicinal leech has five pairs of eyes, each with about 50 photoreceptors.
Can quartz be botryoidal?
Grape agate is a marketing name for purple aggregates of tiny quartz crystals with a spherical (botryoidal) habit. The name reflects their purple color and how they occur in clusters that resemble bunches of grapes. This material is found in the Mamuju area, near the western coast of Sulawesi, an island of Indonesia.
What is a parenchyma tissue?
Parenchyma is a type of tissue consists of cells that carry out an essential function. In botany (plant biology), parenchyma is the simple permanent ground tissues that form the bulk of the plant tissues, such as the soft part of leaves, fruit pulp, and other plant organs.
What is the main function of parenchyma tissue?
Parenchyma forms the bulk of plant ground tissue, where they may be specialised to function in photosynthesis, storage, or transport. Parenchyma is integral to vascular tissue, where it provides a route of exchange for materials within and between the xylem and the phloem.
What is the scientific name of leeches?
leech, (subclass Hirudinea), any of about 650 species of segmented worms (phylum Annelida) characterized by a small sucker, which contains the mouth, at the anterior end of the body and a large sucker located at the posterior end. All leeches have 34 body segments.