conoid

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Related to conoidal: conidial, Rhoptry

co·noid

(kō'noyd),
1. A conic structure.
2. Part of the apical complex characteristic of the protozoan subphylum, Apicomplexa; seen in sporozoites, merozoites, or other developmental stages of sporozoans, less well developed in the piroplasms (families Babesiidae and Theileriidae). The function of the conoid is unknown, but it is thought to be an organelle of penetration into the host cell, possibly aided by a protrusible form of the conoid.
[G. kōnoeidēs, cone-shaped]
Farlex Partner Medical Dictionary © Farlex 2012

co·noid

(kō'noyd)
1. A cone-shaped structure.
2. Part of the apical complex characteristic of the protozoan subphylum Apicomplexa; seen in sporozoites, merozoites, or other developmental stages of sporozoans, less developed in the piroplasms (families Babesiidae and Theileriidae). The function of the conoid is unknown, but it is thought to be an organelle of penetration into the host cell, possibly aided by a protrusible form of the conoid.
[G. kōnoeidēs, cone-shaped]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

conoid

(kō′noyd) [Gr. konos, cone, + eidos, form, shape]
Resembling a cone; conical.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Chakravorty, "On the bending characteristics of damaged composite conoidal shells--a finite element approach," Journal of Reinforced Plastics and Composites, vol.
The profile of the nozzle can be cylindrical, conical, conoidal, combined (for example, conical-cylindrical), or complex (for example, bicubical).
Capitate glandular trichomes consist of two types, namely, longstalked capitate trichomes and short-stalked ones; conoidal trichomes are distributed on the surface of calyx and corolla; besides, capitate trichomes are also distributed on the calyx and corolla surface [8].