a

agaricomycete
/ˌæɡəˌraɪkəˈmaɪsiːtiːz/
A class of fungi that includes the mushrooms, toadstools, puffballs, and shelf fungi.

Wikitionary definitions:

  1. Any fungus of the class Agaricomycetes
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ascomycete
/ˌæskəˈmaɪsiːt/
A fungus that produces its spores in a sac-like structure called an ascus.

Wikitionary definitions:

  1. Any fungus of the phylum Ascomycota, characterized by the production of a sac, or ascus, which contains non-motile spores.
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asexual reproduction
/ˈeɪsɛksjʊəl ˌriːprəˈdʌkʃ(ə)n/
Reproduction not involving the union of gametes.

Wikitionary definitions:

  1. Any form of reproduction that does not involve the fusion of gametes.
  2. Any form of reproduction that involves neither meiosis nor fusion of gametes.
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autotroph
/ˈɔːtəʊtrəʊf/
An organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.

Wikitionary definitions:

  1. Any organism that can synthesize its food from inorganic substances, using heat or light as a source of energy.
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b

basidiomycete
/ˌbæsɪdɪəʊmaɪˈkəʊtə/
A fungus that produces its spores on a basidium.

Wikitionary definitions:

  1. Any fungus of the phylum Basidiomycota, that produces sexual spores on a basidium.
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basidium
/bəˈsɪdɪəm/
A microscopic, club-shaped spore-bearing structure produced by basidiomycetes.

Wikitionary definitions:

  1. A small structure, shaped like a club, found in the Basidiomycota division of fungi, that bears four spores at the tips of small projections.
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c

catalysis
/ˈkat(ə)lɪst/
The acceleration of a chemical reaction by a catalyst.

Wikitionary definitions:

  1. The increase of the rate of a chemical reaction, induced by a catalyst.
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coenocytic
/ˌsiːnəˈsɪtɪk/
Consisting of a multinucleate mass of cytoplasm not divided into cells.

Wikitionary definitions:

  1. Relating to coenocytes or to coenocysts
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conidiophore
/kəˈnɪdɪəʊfɔː/
A specialized fungal structure that produces conidia.

Wikitionary definitions:

  1. A fungal hypha that produces conidia.
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conidium
/kəˈnɪdɪəm/
A non-motile asexual spore that forms a chain at the tip of a conidiophore.

Wikitionary definitions:

  1. A fungal spore produced asexually in a conidiophore.
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cytoplasm
/ˈsaɪtəˌplæzəm/
The material or protoplasm within a living cell, excluding the nucleus.

Wikitionary definitions:

  1. The contents of a cell except for the nucleus. It includes cytosol, organelles, vesicles, and the cytoskeleton.
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d

deciduous
/dɪˈsɪdʒuəs/
(of a tree or shrub) shedding its leaves annually.

Wikitionary definitions:

  1. Describing a part that falls off, or is shed, at a particular time or stage of development.
  2. Of or pertaining to trees which lose their leaves in winter or the dry season.
  3. Transitory, ephemeral, not lasting.
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diploid
/ˈdɪplɔɪd/
(of a cell or nucleus) containing two complete sets of chromosomes, one from each parent.

Wikitionary definitions:

  1. Of a cell, having a pair of each type of chromosome, one of the pair being derived from the ovum and the other from the spermatozoon. Most somatic cells of higher organisms are diploid.
  2. Of an organism, having diploid cells.
  3. Of a certain symmetry class with 24 congruent irregular quadrilateral faces.
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e

enzyme
/ˈɛnzaɪm/
A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.

Wikitionary definitions:

  1. A biomolecule that catalyses a biological chemical reaction: either a globular protein with this function or an RNA molecule with this function.
  2. The protein type specifically.
  3. Leavened bread, as opposed to azyme.
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eukaryote
/juːˈkærɪəʊt/
An organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus.

Wikitionary definitions:

  1. Any of the single-celled or multicellular organisms of the taxonomic domain Eukaryota, whose cells contain at least one distinct nucleus.
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exoenzyme
/ˌɛksəʊˈɛnzaɪm/
An enzyme that is secreted by a cell and functions outside of that cell.

Wikitionary definitions:

  1. Any enzyme, generated by a cell, that functions outside of that cell.
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g

gamete
/ˈɡæmiːt/
A mature sexual reproductive cell, as a sperm or egg, that unites with another cell to form a new organism.

Wikitionary definitions:

  1. A reproductive cell (sperm in males or eggs in females), having only half of a complete set of chromosomes.
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h

haploid
/ˈheɪplɔɪd/
(of a cell or nucleus) having a single set of unpaired chromosomes.

Wikitionary definitions:

  1. Having the number of chromosomes that a typical gamete has (in the given organism), namely, half the number that a typical somatic cell has (in the given organism).
  2. Having a single set of unpaired chromosomes (which is the number that a typical gamete has in many organisms although not all).
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heterotroph
/ˈhɛtərəʊtrəʊf/
An organism deriving its nutritional requirements from complex organic substances.

Wikitionary definitions:

  1. An organism which requires an external supply of energy and nutrients under the form of food containing organic carbon as it cannot synthesize its own.
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hygrophanous
/haɪˈɡrɒfənəs/
(of a mushroom) becoming translucent when moist.

Wikitionary definitions:

  1. Changing color as it dries out.
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hymenium
/haɪˈmiːnɪəm/
The fertile spore-bearing layer of cells in fungi.

Wikitionary definitions:

  1. The sporebearing surface of a fungus.
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hypha
/ˈhʌɪfə/
Each of the branching filaments that make up the mycelium of a fungus.

Wikitionary definitions:

  1. Any of the long, threadlike filaments that form the mycelium of a fungus.
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i

incertae sedis
/ˈɪnsəˌtiː ˈseɪdɪs/
"Of uncertain placement" a term used for a taxonomic group where its broader relationships are unknown or undefined.

Wikitionary definitions:

  1. A term applied to a taxon or group of taxa whose relationship with others is unknown or undecided.
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l

lichen
/ˈlaɪkən/
Symbiotic organisms that typically forms a low crust-like, leaf-like, or branching growth on rocks, walls, and trees.

Wikitionary definitions:

  1. Any of many symbiotic organisms, being associations of algae and fungi, often found as white or yellow-to-blue–green patches on rocks, old walls, etc.
  2. Something which gradually spreads across something else, causing damage.
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m

marchantiophyta
/ˈlɪvəwɜːt/
A small flowerless green plant with leaf-like stems or lobed leaves.

Wikitionary definitions:

  1. A taxonomic phylum within the kingdom Plantae – liverworts, sometimes called a division in Plantae.
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meiosis
/maɪˈəʊsɪs/
A type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell.

Wikitionary definitions:

  1. A figure of speech whereby something is made to seem smaller or less important than it actually is.
  2. Cell division of a diploid cell into four haploid cells, which develop to produce gametes.
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mitosis
/maɪˈtəʊsɪs/
A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus.

Wikitionary definitions:

  1. The division of a cell nucleus in which the genome is copied and separated into two identical halves. It is normally followed by cell division.
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mutualism
/ˈmjuːtʃuəlɪz(ə)m/
The way two organisms of different species exist in a relationship in which each individual benefits from the activity of the other.

Wikitionary definitions:

  1. Any interaction between two species that benefits both; typically involves the exchange of substances or services.
  2. An economic theory and anarchist school of thought that advocates a society where each person might possess a means of production, either individually or collectively, with trade representing equivalent amounts of labor in the free market.
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mycelium
/maɪˈsiːlɪəm/
The vegetative part of a fungus, consisting of a network of fine white filaments.

Wikitionary definitions:

  1. The vegetative part of any fungus, consisting of a mass of branching, threadlike hyphae, often underground.
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mycorrhiza
/ˌmaɪkəˈraɪzə/
A symbiotic association between a fungus and the roots of a vascular plant.

Wikitionary definitions:

  1. A plant root formed in symbiosis with a fungus; the symbiosis between the mycelium of a fungus and the roots of a plant.
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n

nucleus
/ˈnjuːklɪəs/
The central and most important part of a cell, containing the genetic material.

Wikitionary definitions:

  1. The core, central part of something, around which other elements are assembled.
  2. An initial part or version that will receive additions.
  3. The massive, positively charged central part of an atom, made up of protons and neutrons.
  4. A large membrane-enclosed organelle found in eukaryotic cells which contains genetic material.
  5. A ganglion, cluster of many neuronal bodies where synapsing occurs.
  6. The central part of a syllable, most commonly a vowel.
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o

ootheca
/ˌəʊəˈθiːkə/
A type of egg case that is produced by any member of the Blattodea order of insects.

Wikitionary definitions:

  1. An egg case of any of the orthopteroid insects (such as cockroaches and mantids).
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organelle
/ˌɔːrɡəˈnɛl/
A specialized subunit within a cell that has a specific function.

Wikitionary definitions:

  1. A specialized structure found inside cells that carries out a specific life process (e.g. ribosomes, vacuoles).
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p

parasexuality
/ˌpærəsɛkʃʊˈælɪti/
A form of sexual reproduction in fungi that does not involve the development of a zygote.

Wikitionary definitions:

  1. A phenomenon, involving a complex form of mitosis, whereby two cell nuclei merge without any sexual process and the chromosome count is doubled.
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parasite
/ˈpærəsaɪt/
An organism that lives in or on another organism and benefits by deriving nutrients at the host's expense.

Wikitionary definitions:

  1. An organism that lives on or in another organism of a different species, deriving benefit from living on or in that other organism, while not contributing towards that other organism sufficiently to cover the cost to that other organism.
  2. An internal parasite that is an animal or protist.
  3. A person who lives on other people's efforts or expense and gives little or nothing back.
  4. A sycophant or hanger-on.
  5. A climbing plant which is supported by a wall, trellis etc.
  6. A retainer or companion of an ancient Celtic warrior, who praised him in song or poetry at gatherings; a bard.
  7. A component of a composite aircraft which is carried aloft and air-launched by a larger carrier aircraft or mother ship to support the primary mission of the carrier; a parasite aircraft.
  8. An isolated (FSDU) (freestanding display unit )
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parthenogenesis
/ˌpɑːθɪnəʊˈdʒɛnɪsɪs/
A form of asexual reproduction in which an unfertilized egg develops into a new individual.

Wikitionary definitions:

  1. Referring to various aspects of asexual reproduction: (An instance of) reproduction by the development of a single gamete (an ovum or ovule) without fertilisation by a gamete of the opposite sex; compare monogenesis, metagenesis, and heterogamy. Asexual reproduction in toto; agamogenesis.
  2. (An instance of) reproduction by the development of a single gamete (an ovum or ovule) without fertilisation by a gamete of the opposite sex; compare monogenesis, metagenesis, and heterogamy.
  3. Asexual reproduction in toto; agamogenesis.
  4. figurative uses of the biological senses
  5. Virgin birth, in reference to the Virgin Mary and Jesus Christ.
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pathogen
/ˈpæθədʒən/
A bacterium, virus, or other microorganism that can cause disease

Wikitionary definitions:

  1. An agent that can cause disease, especially an infectious microorganism, such as a bacterium, virus, protozoon or fungus.
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prokaryote
/prəʊˈkærɪəʊt/
A microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles.

Wikitionary definitions:

  1. An organism whose cell (or cells) are characterized by the absence of a nucleus or any other membrane-bound organelles.
  2. In the two-empire system of biological taxonomy, an organism of the kingdom Prokaryotae (now superseded).
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s

saprotroph
/ˈsæprəʊtrəʊf/
An organism that feeds on or derives nourishment from decaying organic matter.

Wikitionary definitions:

  1. An organism that lives off dead or decaying organic material by secreting enzymes into it and then absorbing its nutrients.
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sclerotium
/skləˈrəʊʃɪəm/
A compact mass of hardened fungal mycelium containing food reserves.

Wikitionary definitions:

  1. A compact mass of hardened mycelium stored with reserve food material that, in some higher fungi such as ergot, becomes detached and remains dormant until a favourable opportunity for growth occurs.
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septate
/ˈsɛpteɪt/
Divided by a septum or septa.

Wikitionary definitions:

  1. Of, pertaining to, or divided by a septum.
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septum
/ˈsɛptəm/
A partition separating two chambers, such as that between the nostrils or the chambers of the heart.

Wikitionary definitions:

  1. A wall separating two cavities; a partition.
  2. Ellipsis of nasal septum: the cartilaginous center wall of the nose separating the two nostrils.
  3. Either of the two walls that separate the atria or ventricles of the heart into left and right chambers.
  4. A partition that separates the cells of a fruit.
  5. A partition that separates the cells of a (septated) fungus.
  6. One of the radial calcareous plates of a coral.
  7. One of the transverse partitions dividing the shell of a mollusk, or of a rhizopod, into several chambers.
  8. One of the transverse partitions dividing the body cavity of an annelid.
  9. Ellipsis of septum ring or septum piercing.
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sporangiospore
/spɔːˈreɪndʒɪəˌspɔː/
A spore formed within a sporangium.

Wikitionary definitions:

  1. A spore produced by a sporangium (in many fungi, such as zygomycetes).
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sporangium
/spɔːˈreɪndʒɪəm/
A receptacle in which asexual spores are formed.

Wikitionary definitions:

  1. A case, capsule, or container in which spores are produced by an organism.
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syncytium
/sɪnˈsɪʃɪəm/
A multinucleate cell resulting from multiple cell fusions.

Wikitionary definitions:

  1. A mass of cytoplasm containing many nuclei; a multinucleate cell resulting from cell fusions of mononuclear cells (for example, the cells that make up animal Skeletal muscle).
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z

zygote
/ˈzaɪɡəʊt/
A diploid cell resulting from the fusion of two haploid gametes.

Wikitionary definitions:

  1. A fertilized egg cell.
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