Apicomplexan
apicomplexan
apicomplexan
(āp’ĭ-kəm-plěk’sən)
any of a phylum (apicomplexa) of protozoans that are parasitic in animals, especially animal bloodstreams, and are distinguished by a variety of organelles, including fibrils and microtubules, located at one end (called the apical end) of the cell. these organelles help the apicomplexan invade an animal cell. apicomplexans form spores and reproduce s-xually in an alternation of generations; many have complex life cycles and are transmitted to animals hosts by bloodsucking insects. apicomplexans include the organisms that were once cl-ssified as sporozoans, including the protozoans that cause malaria and toxoplasmosis.
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apicotomy apicotomy ap·i·cot·o·my (āp’ĭ-kŏt’ə-mē, ā’pĭ-) n. incision into an apical structure.
- Apiculate
tipped with a short, abrupt point, as a leaf. historical examples the spores (fig. 28 a) are oval, with a little point at one end (apiculate). an elementary text-book of the microscope john william griffith the third glume is slightly longer than the second, oblong-ovate, apiculate, 5-nerved and paleate; palea 1/8 inch obtuse. a handbook […]
- Apiculus
a small point or tip.
- Apiculture
beekeeping, especially on a commercial scale for the sale of honey. historical examples it is not my intention to write a treatise on apiculture, or on practical bee-keeping. the life of the bee maurice maeterlinck finally he produced woodcuts and engravings so perfect that to this day they serve to ill-strate many books on apiculture. […]
- Apiculturist
beekeeping, especially on a commercial scale for the sale of honey. noun the breeding and care of bees