Protozoa (also protozoan, plural protozoans) is an informal term for a group of single-celled eukaryotes, either free-living or parasitic, that feeds on organic matter such as other microorganisms or organic tissues and debris. In some systems of biological classification, Protozoa remains a high-level taxonomic group.

: a single-celled organism (as an amoeba or paramecium) that is a protist and is capable of movement. protozoan. noun.

other words for protozoan

• ameba.
• cell.
• ciliate.
• euglena.
• flagellate.
• organism.
• paramecium.
• plasmodium.

Protozoa in a Sentence 🔉

1. Using cilia to move around, the unicellular protozoa made its way through the marsh.
2. The tiny protozoa invaded the host planted and acted as a one-celled parasite.
3. In general, protozoa are single-celled organisms whose main function is to consume bacteria.

1. I borrowed a primer of science from the library.
2. The President doesn’t need a primer on national security.
3. It’s best to use a coat of primer before the top coat.
4. But don’t use it as a primer.
5. The book is a primer on these subjects.
6. Paint the bare wood with a primer.
7. HyperCard was a primer for the digital age.

Cilia in a Sentence 🔉

1. Humans have an average of 250 cilia per eye and even though at least one eyelash falls out per day, they grow back quickly.
2. Cilia are like an alert system because whenever something dangerous like a bug or liquid comes too close to the eye, the eyelashes flutter as a warning.

In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for cilia, like: centrosome, centrosphere, chloroplast, microbody, microcentrum, pili, plastid, ribosome and cilium.

Motile cilia are characterized by a typical ‘9+2’ architecture with nine outer microtubule doublets and a central pair of microtubules (e.g bronchi). Primary cilia appear typically as single appendages microtubules on the apical surface of cells and lack the central pair of microtubules (e.g. in kidney tubules).

Cilia: The fine hairlike projections from certain cells such as those in the respiratory tract that sweep in unison and help to sweep away fluids and particles. Some single-celled organisms use the rhythmical motion of cilia for locomotion.

Cilia: The fine hairlike projections from certain cells such as those in the respiratory tract that sweep in unison and help to sweep away fluids and particles. Cilia is the plural of cilium, a Latin word referring to the edge of the eyelid and, much later, to the eyelashes.

There are two types of cilia: motile and non-motile cilia. Non-motile cilia are also called primary cilia which serve as sensory organelles.

The eyelash. Cilia are generally of two kinds: motile cilia (for locomotion) and non-motile cilia (for sensory). Example of tissue cells with cilia are the epithelia lining the lungs that sweep away fluids or particles. Examples of organisms that have cilia are protozoans that use them for movement.

The function of cilia is to move water relative to the cell in a regular movement of the cilia. This process can either result in the cell moving through the water, typical for many single-celled organisms, or in moving water and its contents across the surface of the cell.

Cilia and flagella are motile cellular appendages found in most microorganisms and animals, but not in higher plants. For single-celled eukaryotes, cilia and flagella are essential for the locomotion of individual organisms.

Cilia are short, hair like appendages extending from the surface of a living cell. Flagella are long, threadlike appendages on the surface of a living cell. Occurs throughout the cell surface. Presence at one end or two ends or all over the surface.

Function. Cilia and flagella move liquid past the surface of the cell. For single cells, such as sperm, this enables them to swim. For cells anchored in a tissue, like the epithelial cells lining our air passages, this moves liquid over the surface of the cell (e.g., driving particle-laden mucus toward the throat).

Flagellum is primarily a motility organelle that enables movement and chemotaxis. Bacteria can have one flagellum or several, and they can be either polar (one or several flagella at one spot) or peritrichous (several flagella all over the bacterium).

Where Can Cilia and Flagella Be Found? Both cilia and flagella are found in numerous types of cells. For instance, the sperm of many animals, algae, and even ferns have flagella. Prokaryotic organisms may also possess a single flagellum or more.

The hair-like appearance of flagella and cilia in a light microscope is misleading. The entire structure lies within the cytoplasm of the cell.

Cilia and flagella are two different types of microscopic appendages on cells. Flagella are used for mobility in bacteria as well as gametes of eukaryotes. Both cilia and flagella serve locomotion functions, but in different manners. Both rely on dynein, which is a motor protein, and microtubules to work.

Prokaryotes can have more than one flagella. They serve the same function in both prokaryotes and eukaryotes (to move an entire cell). Cilia are not found on prokaryotes.

Less than 1% of prokaryotes (all of them bacteria) are thought to be human pathogens, but collectively these species are responsible for a large number of the diseases that afflict humans. Besides pathogens, which have a direct impact on human health, prokaryotes also affect humans in many indirect ways.

pili are special extension of bacterial cell which are made for conjugation in bacterial cell, whereas cilia do not perform this function. cilia and pili do provide some common benefits to the bacterial cell like to adhere to a surface, help in movement and gather food.

The two prokaryote domains, Bacteria and Archaea, split from each other early in the evolution of life.

Prokaryotes Examples

• Escherichia Coli Bacterium (E. coli)
• Streptococcus Bacterium.
• Streptomyces Soil Bacteria.
• Archaea.

Prokaryotes are unicellular organisms that consist of a single prokaryotic cell. Prokaryotic cells are simple cells that do not have a true nucleus or other cell organelles. Bacteria and Archaea are the two domains of life that are prokaryotes.

Pace contends that the term prokaryote refers to the lack of a nucleus and that it is hence a “negative and therefore scientifically invalid description” of cell organization, because “no one can define what is a prokaryote”.

A prokaryotic cell is a type of cell that does not have a true nucleus or membrane-bound organelles. Organisms within the domains Bacteria and Archaea are based on the prokaryotic cell, while all other forms of life are eukaryotic.