Mirco Unit Test 3 Vocab

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Protists

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eukaryotic organisms that are unicellular and sometimes colonial orless often multicellular and that typically include the protozoans most algaeand often some fungi

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Nuclear pore

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isa protein- lined channel in the nuclear envelope that regulates thetransportation of molecules between the nucleus and the cytoplasm.

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Golgi apparatus

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complex of vesicles and folded membraneswithin the cytoplasm of most eukaryotic cells, involved in secretion andintracellular transport

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Endoplasmic reticulum

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anetwork of membranous tubules within the cytoplasm of a eukaryotic cell.

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Lysosomes

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an organelle in the cytoplasm of eukaryoticcells containing degradative enzymes enclosed in a membrane

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Mitochondria

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norganelle found in large numbers in most cells, in which biochemical processesof respiration and energy production occur. It has a double membrane the innerlayer folded inward to form layers

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Nucleus

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thecentral and most important part of an object movement or group forming thebasis for its activity and growth

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Contractile vacuole

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a vacuole in some protozoans that expels excess liquid on contraction

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Molds/filamentous fungi

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generallya circular colony that may be cottony wooly or glabrous but with filaments notorganized into large fruiting bodies, such as mushrooms

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Mycelium

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the vegetative part of a fungus consisting of a network of fine whitefilaments

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Pseudohyphae

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aredistinguished from true hyphae by their method of growth relative frailty andlack of cytoplasmic connection btw the cells yeast can form pseudohyphae. Theyare the result of a sort of incomplete budding wher the cells remain attachedafter division

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Dimorphic (fungi)

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occurringin or representing two distinct forms

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Septate hyphae

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are dividedinto cells by internal cross walls septa (singular septum) septa are usuallyperforated by pores large enough for ribosomes mitochondria and sometimesnuclei to flow btw cells

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Nonseptate hyphae

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known asaseptate or coenocytic hyphae form one long cell with many nuclei. They are themore primitive form oh hyphae

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Hyphae

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the tubular threadsthat make up filamentous fungi this web of branched and intertwining fibers iscalled mycelim

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Saprobes

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a microbe thatdecomposes organic remains from dead organism also known as a saprophyte

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Heterotrophs

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an organismthat relies upon organic compounds for its carbon and energy needs.

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Cyst

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the resistant dormantbut infectious form of protozoa can be important in spread of infectious agentssuch as Entamoeba histoluytic

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Mycoses

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andieses that caused by fungus

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Trophozoite

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a vegetativeprotozoan (feeding form) as opposed to a resting (cyst) form

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Endoplasm

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the more fluidgranular inner layer of the cytoplasm in amoeboid cells

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Ectoplasm

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the outer moreviscous region of the cytoplasm of a phagocytic cell such as an amoeba itcontains microtubules but not granules or organelles

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Nematode

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a common name forhelminths called round worms

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Trematodes

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a category ofhelminth also known as flatworm

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Cestodes

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the common name fortapeworm that parasites humans and domestic animals

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Hermaphroditic

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containingthe sex organs for both male and female in one individual

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Proglottid

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the egggenerating segment of a tapeworm that contains both male and female

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Scolex

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the anterior end toa tapeworm characterized by hooks and or suckers for attachment to the host