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Phylum in Medical News

Evolution and epilepsy

... the major groups (or phyla) of animals alive today suddenly in an evolutionary time scale appeared. The new analysis showed that all members of the phylum Chordata, which includes lancelets, sea squirts, and lampreys, as well as vertebrates, have sodium channels with the anchor sequence. The sodium c...

Human Skin Harbors Many More Types of Bacteria

...p and categorize them. Species or SLOTUs are small categories. There are larger groupings such as genera and phyla. Humans, for example, belong to the phylum chordata, the genus Homo and the species Homo sapiens. The molecular method used in this study revealed differences between the bacterial populati...
Phylum in Medical Dictionary

Ticks

... livestock, ... You are encouraged to learn more about the biology of ticks in Indiana. ... Ticks . Magnitude of problem ... Ticks are in the phylum of animals called Arthropoda (jointedappendage) ... Diseases carried by ticks means that you should ... Tick and Lyme ... Ticks that have ta...

Spirochete

... Spirochaete. From Wikipedia, the free encyclopedia (Redirected from Spirochete ) ... Spirochaetes (also spelled Spirochetes ) belong to a phylum of distinctive Gram ... User-submitted article about the infectious disease transmitted to humans by insects and tick bites with severe sympto...

Roundworms

... The " roundworms " or "nematodes" are the most diverse phylum of pseudocoelomates, and one of the most diverse of all animals. Nematode s...rom the liver and ... Roundworms are a member of the nemathelminths phylum or group of animals. ... Roundworms live in salt water, fresh water and t...

Nematode

... The "roundworms" or "nematodes" are the most diverse phylum of pseudocoelomates, and one of the most diverse of all animals. Nematode ...productive systems, but ... nematode n. Any of several worms of the phylum Nematoda, having unsegmented, cylindrical bodies, often narrowing at each e...

Integument

...gument varies both with the species and the caste. ... The integument is comprised of three layers: the epicuticle, the procuticle, and ... The phylum cnidaria includes the jellyfish, anemones, corals and hydroids. ... Diagramatic presentation of the puncturing of the prey's integument . Characteris...

Cryptosporidium

... Cryptosporidiosis, also known as crypto, is a parasitic disease caused by Cryptosporidium , a protozoan parasite in the phylum Apicomplexa. It affects the intestines of mammals and is typically an acute short-term infection.... Cryptosporidium is a coccidian protozoan ...
Phylum in Biological News

Early family ties: No sponge in the human family tree

...nd no organs either. Comb jellies, the ctenophores, are life forms that resemble jellyfish. The true jellyfish, however, are part of the cnidarians, a phylum that also includes corals and sea anemones. The exact relationships among these early animal groups are still controversial, as different research gro...

New computational technique allows comparison of whole genomes as easily as whole books

...ukaryotes and random sequences into separate groups or domains. Most of the phylum groups within each domain and class groups in each phylum also were well segregated, with some interesting discrepancies compared to ...

In many fungi, reproductive spores are remarkably aerodynamic

...f California, Berkeley. Together with colleagues at Harvard, Roper studied the airborne spores of more than 100 species of ascomycetes, the largest phylum of fungi. These fungi enter the sexual phase of their life cycle when they deplete nutrients in the deposits of feces or decaying matter where they re...

Bacterial biofilms as fossil makers

...s of oxygen-poor marine mud, and again found a high diversity of bacterial flora present in embryo replica biofilms, with species of the Bacteroidetes phylum being most common. Although it is impossible to know whether bacteria aided the preservation of 550-million-year-old embryo fossils from Doushantuo...

Genome sequence of small marine creature sheds light on vertebrate origins

...regions of tropical and temperate seas, bearing resemblance to a small fish, however lacking pairs of eyes, limbs, and ears. A member of the chordata phylum along with tunicates (sea squirts) and vertebrates, amphioxus lacks the backbone or spinal column characteristic of vertebrate animals, yet shares the...

Evolution of root nodule symbiosis with nitrogen-fixing bacteria

... with nitrogen-fixing bacteria from a more ancient form of symbiosis. About 80% of all land plants have a symbiotic relationship with fungi of the phylum Glomeromycota. The fungus penetrates cells in the plants roots, and provides the plant with phosphates and other nutrients from the soil. This kind of...

Scripps scientists discover fluorescence in key marine creature

...ent proteins (GFPs) in amphioxus, a fish-like animal closely studied by scientists due to its evolutionarily important position at the base of a large phylum of animals called chordates. The researchers say amphioxus GFPs are very similar to those of corals, an interesting fact since the two animal groups a...

Evolution reveals an independent route for diversity in animal form

...uivalent of a Hox cluster in two representative cnidarians, and the patterns of expression of the cnidarian Hox-like genes differ radically across the phylum and are inconsistent with the expression patterns exhibited by typical Hox-system genes. The authors conclude that the Hox system is an invention of h...

Anemone genes reveal versatile building blocks for body plans

...ed role in patterning an animal with a different body plan--a simple sea anemone. Sea anemones, along with corals and jellyfish, are members of the phylum Cnidaria, and they possess a radial body plan that is distinct from the familiar bilateral body plan exhibited by vertebrates and many other animals. ...

Stealth Worms May Improve Insect Pest Control

...asic questions in biology." Given the number of nematodes that exist in the world, the possibilities for discovery are immense. "The whole nematode phylum is estimated to have 500,000 to a million species. About 25,000 species have been identified so far," Stock says. ...
Phylum in Biological Definition

Animal

... them. As such, these animals are sometimes called diploblastic. The tiny phylum Placozoa is similar, but individuals do not have a permanent digestive ch...mes, but this is less certain. Platyzoa The Platyzoa include the phylum Platyhelminthes , the flatworms. These were originally considered some of...

Archaea

... phylum Crenarchaeota Phylum Euryarchaeota Halobacteria Methanobacteria Methanococci Methanopyri Archaeoglobi Therm...

Drosophila

... Male (left) and female fruit flies. Drosophila is part of the phylum Arthropoda , a phylum of segmented animals with paired, jointed appendages and a hard exoskeleton...

Ernst Haeckel

...arative anatomy . He was one of the first to consider psychology as a branch of physiology . He also proposed many now ubiquitous terms including " phylum " and " ecology ." His chief interests lay in evolution and life development processes in general, including development of nonrandom form, which cu...

Animal

... them. As such, these animals are sometimes called diploblastic. The tiny phylum Placozoa is similar, but individuals do not have a permanent digestive ch...mes, but this is less certain. Platyzoa The Platyzoa include the phylum Platyhelminthes , the flatworms. These were originally considered some of...

Nervous system

...esenting both the sensation of chemicals or touch as well as the stimulus of the animals' reflexive mechanical response.The worms and flukes of the phylum platyhelminthes possess a network of nerves that operates like a more conventional nervous system, but lack a brain. Annelid worms and tunicates...

Neurospora crassa

... Neurospora crassa is a type of red bread mold of the phylum Ascomycota . The genus name, meaning "nerve spore" refers to the characteristic striations on the spores that resemble axons . N. crassa is n...

Taxonomy

...the root is the Organism (as this applies to all living things, it is implied rather than stated explicitly). Below this are the Domain , Kingdom , phylum , Class , Order , Family , Genus , and Species , with various other ranks sometimes inserted. Some have argued that the human mind naturally or...
Phylum in Biological Dictionary

Phylum

In biology, a phylum (plural: phyla) is a taxonomic rank below Kingdom and above Class. " Phylum " is equivalent to the botanical term division. ... structure the genera into phylum , class, etc., as the ... There are 8 main taxonomic ranks: domain, kingdom, phylum , class, or...

Vertebrates

...Of or characteristic of vertebrates or a vertebrate ... Vertebrates are members of the subphylum ... Vertebrates are members of the larger phylum Chordata, and show all of the major ... Vertebrae differ considerably in form among different groups of vertebrates . ... Vertebrates are also ...

Turbellarian

... Turbellaria ( ′tərbə′larēə ) ( invertebrate zoology ) A class of the phylum ... However turbellarian statocysts have no sensory cilia, and it is unk...annica online encyclopedia article on turbellarian (flatworm class), The phylum consists of four classes: Trematoda (flukes), Cestoda (tapeworms), Turbell...

Tube feet

...ar projections found most famously on the oral face of a sea star's arms, but are characteristic of the water vascular system of the echinoderm phylum which also includes sea urchins, sand dollars and sea cucumbers and many other sea... tube foot n. One of the numerous external, fluid-filled ...

Synapomorphy

...lternative 1: The stem-cell system is a synapomorphy of Acoela and Rhabditophora ... synapomorphy : shared, derived character. Kingdom Animalia. phylum Chordata ... HOWEVER--remember that the terms symplesiomorphy and synapomorphy are RELATIVE terms. ... Chlorarachniophyceae (Chlorarachniophyceae...

Spirochetes

... Spirochaetes belong to a phylum of distinctive Gram-negative bacteria, which have long, helically coiled (spiral-shaped) cells. Spirochetes are chemoheterotrophic in nature, with ...

Slime molds

...lime molds are composed of an acellular mass of naked protoplasm with no cell ... slime mold n. Any of various primitive organisms of the phylum Acrasiomycota, especially of the genus Dictyostelium, that grow on dung and decaying Slime molds are fungus-like organisms that have previou...

Skeleton

... In biology, a skeleton is a rigid framework that provides protection and structure in many types of animal, particularly those of the phylum Chordata and of the superphylum Ecdysozoa. Exoskeletons are external, as is typical... The human skeleton consists of both fused and individua...

Seedless vascular plants

...nt seedless vascular plants belong to this phylum ... I. Evolution of vascular plants ( seed..... 4 phyla of seedless vascular plants : A. phylum Psilotophyta (only 2 ... Chapter 19 -- SEEDLES...II Laboratory: ... Seedless Vascular Plants . phylum Psilophyta—whisk ferns....

Rhodophyta

...tructure & metabolism ... Rhodophyta , phylum (division) of the kingdom Protista consisting o...ē ) ( botany ) The common name for members of the phylum Rhodophyta . ... Defining the major lineages of ...... Z. Rhodophyta . Home > ... Rhodophyta , phylum (division) of the kingdom Protista ... 10 %o...
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