Parasitology Vocab Flashcards
- Match the following terms
[cyst] 1. general term for a membranous envelope of parasite origin, usually enclosing a larval parasite
[cystacanth] 2. the larval stage of Acanthocephala that precedes the adult, it is usually encysted
[cysticeroid] 3. a solid-bodied larva of Cestoda
[cysticercus] 4. a bladder larva of cestoda from which a single scolex buds internally
[bladder larva]5. In Cestoda, a larval form in which one or more scoleces develop in a fluid-filled cyst
[cyst] 1. general term for a membranous envelope of parasite origin, usually enclosing a larval parasite
[cystacanth] 2. the larval stage of Acanthocephala that precedes the adult, it is usually encysted
[cysticeroid] 3. a solid-bodied larva of Cestoda
[cysticercus] 4. a bladder larva of cestoda from which a single scolex buds internally
[bladder larva]5. In Cestoda, a larval form in which one or more scoleces develop in a fluid-filled cyst
- Label the figure.
- doughnuts
- edge of where nuclei is
- middle of balloon
- vertical line
- Life form
- wavy lines
- little thing
- boxes
- nuclei
- edge of sucker
- median body
- axostyle
- trophozoite
- flagellae
- cyst
- trophozoites attached to intestinal mucosa
From left to right, 1-9
mouth, nerve ring, excretory pore, intestine, pseudocoelom, ovary, cuticle, genital pore, anus
Female, top to bottom 1-7
Male left to right 1-2
stichosome, vulva, vagina, embryos, seminal receptacle, ovary, anus
testes, cloaca
- Match the following terms
[Bothridium] 1. The sucker used by parasitic worms to attach to their hosts
[Bothrium] 2. slitlike sucking grooves found on the scolex of pseudophyllidean tapeworms
[Bursa] 3. Flap-like structure composed of finger-like projections
[Copulatory bursa] 4. Lateral, flattened cuticular expansion at the end of nematode males that enables them to hold on to the females during mating.
[Bothridium] 1. The sucker used by parasitic worms to attach to their hosts
[Bothrium] 2. slitlike sucking grooves found on the scolex of pseudophyllidean tapeworms
[Bursa] 3. Flap-like structure composed of finger-like projections
[Copulatory bursa] 4. Lateral, flattened cuticular expansion at the end of nematode males that enables them to hold on to the females during mating.
- Match the following terms
[Coracidium]1. The individual free-swimming or free-crawling, spherical, ciliated embryo of certain tapeworms
[Cercaria] 2. The final, free-swimming larval stage of a trematode parasite
[Mother redia] 3. An elongated second or third larval stage of a fluke that develops in a sporocyst and matures into numerous cercariae.
[Mother sporocyst] 4. The second larval stage in the life cycle of parasitic flukes. The saclike organism develops from the miracidium, or first larval stage, in the body of a freshwater snail host
[daughter sporocyst] 5. A larval stage of parasitic flukes- it lacks a gut and is capable of asexual production of either rediae or cercariae.
[Coracidium]1. The individual free-swimming or free-crawling, spherical, ciliated embryo of certain tapeworms
[Cercaria] 2. The final, free-swimming larval stage of a trematode parasite
[Mother redia] 3. An elongated second or third larval stage of a fluke that develops in a sporocyst and matures into numerous cercariae.
[Mother sporocyst] 4. The second larval stage in the life cycle of parasitic flukes. The saclike organism develops from the miracidium, or first larval stage, in the body of a freshwater snail host
[daughter sporocyst] 5. A larval stage of parasitic flukes- it lacks a gut and is capable of asexual production of either rediae or cercariae.
- Match the following terms
[Gametocyte] 1.The sexual form, male or female, of certain sporozoa, such as malarial plasmodia found in the erythrocytes, which may produce gametes when ingested by the secondary host.
[Egg] 2. Most intestinal nematodes require time for this to mature in the environment
[Larva] 3. A general term for a less developed version of an adult parasite
[Microgamete] 4. The smaller of two sexual forms that are conjugating; usually the male
[Gametocyte] 1.The sexual form, male or female, of certain sporozoa, such as malarial plasmodia found in the erythrocytes, which may produce gametes when ingested by the secondary host.
[Egg] 2. Most intestinal nematodes require time for this to mature in the environment
[Larva] 3. A general term for a less developed version of an adult parasite
[Microgamete] 4. The smaller of two sexual forms that are conjugating; usually the male
- Match the following terms
[Spore] 1. Minute, typically one-celled, reproductive unit capable of giving rise to a new individual without sexual fusion; characteristic of lower plants, fungi, and protozoans.
[Sporoblast] 2. In the oocyst of apicomplexans, cells that divide into sporozoites while still enclosed by their membrane.
[Sporocyst] 3. An elongated sac that produces either rediae or more sporocysts during the fluke life cycle.
[Sporogony] 4. Multiple divisions of a zygote
[Sporoplasm] 5. The protoplast of a spore
[Sporozoite] 6. The second life cycle stage of Plasmodium species, which results from the development of gametocytes; this is the stage that infects new hosts
[Sporulation] 7.Asexual reproduction by the production and release of spores
[Spore] 1. Minute, typically one-celled, reproductive unit capable of giving rise to a new individual without sexual fusion; characteristic of lower plants, fungi, and protozoans.
[Sporoblast] 2. In the oocyst of apicomplexans, cells that divide into sporozoites while still enclosed by their membrane.
[Sporocyst] 3. An elongated sac that produces either rediae or more sporocysts during the fluke life cycle.
[Sporogony] 4. Multiple divisions of a zygote
[Sporoplasm] 5. The protoplast of a spore
[Sporozoite] 6. The second life cycle stage of Plasmodium species, which results from the development of gametocytes; this is the stage that infects new hosts
[Sporulation] 7.Asexual reproduction by the production and release of spores
- Match the following definitions
[Mutualism] 1. a symbiotic relationship in which each partner is physiologically dependent on the other
[Commensalism] 2. symbiotic relationship in which neither the commensal nor the host is physiologically dependent upon the other
[Opportunistic] 3. parasitic infection that is normally asymptomatic but displays symptoms in immunocompromised hosts
[Paratenic or transfer host] 4. the host in which a parasite resides without further development;
[Definitive host] 5. the host in which a parasite attains sexual maturity
[Intermediate host] 6. the host in which a parasite undergoes developmental changes but does not yet reach sexual maturity
[Zoonosis] 7. any disease of animals that can be transmitted to humans
[Parasitism] 8. a symbiotic relationship in which only one of the organisms, the parasite, is physiologically dependent upon the other, the host.
[Facultative parasite] 9. an organism that, given the opportunity, can assume a parasitic existence
[Parasitoid] 10. organism that spends a significant portion of its life history attached to or within a single host organism in a relationship that is in essence parasitic; unlike a true parasite, however, it ultimately sterilizes or kills, and sometimes consumes, the host.
[Mutualism] 1. a symbiotic relationship in which each partner is physiologically dependent on the other
[Commensalism] 2. symbiotic relationship in which neither the commensal nor the host is physiologically dependent upon the other
[Opportunistic] 3. parasitic infection that is normally asymptomatic but displays symptoms in immunocompromised hosts
[Paratenic or transfer host] 4. the host in which a parasite resides without further development;
[Definitive host] 5. the host in which a parasite attains sexual maturity
[Intermediate host] 6. the host in which a parasite undergoes developmental changes but does not yet reach sexual maturity
[Zoonosis] 7. any disease of animals that can be transmitted to humans
[Parasitism] 8. a symbiotic relationship in which only one of the organisms, the parasite, is physiologically dependent upon the other, the host.
[Facultative parasite] 9. an organism that, given the opportunity, can assume a parasitic existence
[Parasitoid] 10. organism that spends a significant portion of its life history attached to or within a single host organism in a relationship that is in essence parasitic; unlike a true parasite, however, it ultimately sterilizes or kills, and sometimes consumes, the host.
- Match the following terms
[oocyst] 1. the encysted or encapsulated ookinete in the wall of a mosquito’s stomach;
[ookinete] 2. the fertilized form of the malarial parasite in a mosquito’s body, formed by fertilization of a macrogamete by a microgamete and developing into an oocyst.
[ootype] 3. The part of the oviduct of certain trematode worms in which the ova are completed and furnished with a shell.
[ovary] 4. egg producing reproductive organ
[oviduct] 5. a tube through which the ova pass from the ovary to the uterus or to the outside.
[ovijector] 6. Part of the female genital system between the end of the uterus and the vulva,modified to aid in the expulsion of the eggs
[ovisac] 7. small sacs in the ovarian tissue that contain immature ovocytes
[ovicide] 8. A substance destructive to the ova of certain organisms, usually helminths and arthropods
[L3 larval form] 9. In nematodes the most common infective stage
[Apical complex] 10. a conical structure used to penetrate host
[Gubernaculum]11. Embryonic structure that aids in gonad descension.
[oocyst] 1. the encysted or encapsulated ookinete in the wall of a mosquito’s stomach;
[ookinete] 2. the fertilized form of the malarial parasite in a mosquito’s body, formed by fertilization of a macrogamete by a microgamete and developing into an oocyst.
[ootype] 3. The part of the oviduct of certain trematode worms in which the ova are completed and furnished with a shell.
[ovary] 4. egg producing reproductive organ
[oviduct] 5. a tube through which the ova pass from the ovary to the uterus or to the outside.
[ovijector] 6. Part of the female genital system between the end of the uterus and the vulva,modified to aid in the expulsion of the eggs
[ovisac] 7. small sacs in the ovarian tissue that contain immature ovocytes
[ovicide] 8. A substance destructive to the ova of certain organisms, usually helminths and arthropods
[L3 larval form] 9. In nematodes the most common infective stage
[Apical complex] 10. a conical structure used to penetrate host
[Gubernaculum]11. Embryonic structure that aids in gonad descension.
- Match the following terms.
[proglottid] 1. Each segment in the strobila of a tapeworm
[gravid proglottid] 2. A segment in the strobila of a tapeworm carrying eggs
[immature proglottid] 3. A segment in the strobila of a tapeworm that does not have fully developed reproductive organs
[mature proglottid] 4. A segment in the strobila of a tapeworm that has genital organs and a vaginal sphincter
[Apolysis] 5. The shedding of ripe proglottids
[proglottid] 1. Each segment in the strobila of a tapeworm
[gravid proglottid] 2. A segment in the strobila of a tapeworm carrying eggs
[immature proglottid] 3. A segment in the strobila of a tapeworm that does not have fully developed reproductive organs
[mature proglottid] 4. A segment in the strobila of a tapeworm that has genital organs and a vaginal sphincter
[Apolysis] 5. The shedding of ripe proglottids
[oncomiracidium] 1. A free swimming, ciliated larval stage of a fluke.
[oncosphere] 2. An embryonic form of a tapeworm, enclosed in a spherical membrane armed with hooks
[coccidia] 3. a subclass of microscopic, spore-forming, single-celled obligate intracellular parasites belonging to the apicomplexan class Conoidasida.
[copepodid] 4. a free- swimming larval stage of certain parasitic copepods
[oncomiracidium] 1. A free swimming, ciliated larval stage of a fluke.
[oncosphere] 2. An embryonic form of a tapeworm, enclosed in a spherical membrane armed with hooks
[coccidia] 3. a subclass of microscopic, spore-forming, single-celled obligate intracellular parasites belonging to the apicomplexan class Conoidasida.
[copepodid] 4. a free- swimming larval stage of certain parasitic copepods
- Match the following terms
[tegument] 1. outer covering of a worm
[scolex] 2. head of a tapeworm
[strobila] 3. section of the worm made up of proglottids
[syncytium] 4. tegument with no membrane between cells
[cuticle] 5. outer layer exposed to the host
[protoscolex] 6. juvenile form of the head of a tapeworm
[tegument] 1. outer covering of a worm
[scolex] 2. head of a tapeworm
[strobila] 3. section of the worm made up of proglottids
[syncytium] 4. tegument with no membrane between cells
[cuticle] 5. outer layer exposed to the host
[protoscolex] 6. juvenile form of the head of a tapeworm
- Match the following terms:
[schizogeny] 1. Asexual reproduction by multiple segmentation characteristic of sporozoans
[binary fission] 2. A method of asexual reproduction that involves the splitting of a parent cell into two approximately equal parts
[cytokinesis] 3. Splitting of the cytoplasm inside a cell that is dividing into two daughter cells
[schizogeny] 1. Asexual reproduction by multiple segmentation characteristic of sporozoans
[binary fission] 2. A method of asexual reproduction that involves the splitting of a parent cell into two approximately equal parts
[cytokinesis] 3. Splitting of the cytoplasm inside a cell that is dividing into two daughter cells
[direct life cycle] 1. Parasites that infect a single species
[indirect life cycle] 2. Parasites that infect more than one host species to complete their life cycles
[intermediate host] 3. Harbors the parasite only for a short transition period, during which (usually) some developmental stage is completed
[paratenic host] 4. Harbors the parasite, but is not needed for the parasite’s development cycle to progress
[definitive host] 5. host in which the parasite reaches maturity and, if possible, reproduces sexually
[direct life cycle] 1. Parasites that infect a single species
[indirect life cycle] 2. Parasites that infect more than one host species to complete their life cycles
[intermediate host] 3. Harbors the parasite only for a short transition period, during which (usually) some developmental stage is completed
[paratenic host] 4. Harbors the parasite, but is not needed for the parasite’s development cycle to progress
[definitive host] 5. host in which the parasite reaches maturity and, if possible, reproduces sexually
- Match the following terms:
[Parthenogenetic] 1. A form of reproduction in which an unfertilized egg develops into a new individual, occurring commonly among insects and certain other arthropods.
[Trophozoite] 2. Active, motile feeding stage of the life cycle of coccidial parasites, can survive for long periods of time. They can mature and become infective under appropriate conditions.
[Trypomastigote] 3. any flagellate of the family trypanosomatidae that has the typical form of a mature blood trypanosome.
[Amphistome] 4. any of the suborder Amphistomata of digenetic trematodes.
- Match the following terms:
[Parthenogenetic] 1. A form of reproduction in which an unfertilized egg develops into a new individual, occurring commonly among insects and certain other arthropods.
[Trophozoite] 2. Active, motile feeding stage of the life cycle of coccidial parasites, can survive for long periods of time. They can mature and become infective under appropriate conditions.
[Trypomastigote] 3. any flagellate of the family trypanosomatidae that has the typical form of a mature blood trypanosome.
[Amphistome] 4. any of the suborder Amphistomata of digenetic trematodes.
- Match the following terms:
[parasitemia] 1. A condition in which parasites are present in the blood.
[host specificity] 2. The degree to which a parasite occurs in association with a single host species.
[prepatent period] 3. The interval between infection and the first ability to detect the parasite from the host (usually in feces).
[secondary infection] 4. An infection that follows an initial infection by a different microorganism or parasite.
- Match the following terms:
[parasitemia] 1. A condition in which parasites are present in the blood.
[host specificity] 2. The degree to which a parasite occurs in association with a single host species.
[prepatent period] 3. The interval between infection and the first ability to detect the parasite from the host (usually in feces).
[secondary infection] 4. An infection that follows an initial infection by a different microorganism or parasite.
- Match the following terms
[Exflagellation] 1. The rapid formation of flagellum-like microgametes in malarial organisms
[Erythrocytic cycle] 2. The development of malarial organisms in blood
[Exoerythrocytic] 3. The development of malarial organisms in liver
[Cryptozoite] 4. Malarial parasite stage in the tissue before invading red blood cells
- Match the following terms
[Exflagellation] 1. The rapid formation of flagellum-like microgametes in malarial organisms
[Erythrocytic cycle] 2. The development of malarial organisms in blood
[Exoerythrocytic] 3. The development of malarial organisms in liver
[Cryptozoite] 4. Malarial parasite stage in the tissue before invading red blood cells
- Match the following terms
[Heteroxenous] 1. Parasites that require more than one host in its life cycle
[Homoxenous] 2. Parasites that require only one host in its life cycle
- Match the following terms
[Heteroxenous] 1. Parasites that require more than one host in its life cycle
[Homoxenous] 2. Parasites that require only one host in its life cycle
- Match the following terms
[monodelphic] 1. Organism with one uterus and ovary
[didelphic] 2. Organism with two ovary and uteri
- Match the following terms
[monodelphic] 1. Organism with one uterus and ovary
[didelphic] 2. Organism with two ovary and uteri
- Match the following stages of the Plasmodium life cycle to their respective descriptions:
[sporozoite] 1. infective agent introduced into host via saliva of mosquito
[merozoites] 2. free parasites released from infected cells
[ring stage] 3. immature trophozoite
[trophozoite] 4. active, motile feeding stage
[schizont] 5. Asexual division occurs
[gametocytes] 6. divides to produce gametes
[macrogamete] 7. formed from female gamete producing cell
[microgamete] 8. formed from male gamete producing cell
- Match the following stages of the Plasmodium life cycle to their respective descriptions:
[sporozoite] 1. infective agent introduced into host via saliva of mosquito
[merozoites] 2. free parasites released from infected cells
[ring stage] 3. immature trophozoite
[trophozoite] 4. active, motile feeding stage
[schizont] 5. Asexual division occurs
[gametocytes] 6. divides to produce gametes
[macrogamete] 7. formed from female gamete producing cell
[microgamete] 8. formed from male gamete producing cell