microgamete

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microgamete

[¦mī·krō′ga‚mēt]

(biology)

The smaller, or male gamete produced by heterogametic species.

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References in periodicals archive ?

Microgametes rupture from the microgametocyte and penetrate macrogametes forming a zygote (fusion of gametes).

Chapter 6 Parasitic zoonoses

The organism exits in nature in many forms: macro- and microgametes, the oocyte (which releases sporozoites), the tissue cyst, which contains and may release bradyzoite, and tachyzoite.

TOXOPLASMOSIS: MATERNAL, PEDIATRIC, AND OCULAR - NEED FOR A CHANGE IN PREVALENCE

Host cell infected with three parasites (arrowhead); 5, microgamont (MIC), macrogamont (Ma) and mature meronts (Me); 6, mature microgamonts (MM), attached to the underlying epithelium via a stalk-like structure (arrowhead), shedding microgametes, note disappearance of the parasite membrane and fragmentation of its surface; 7, macrogamontes (Ma) with wall-forming bodies (WF).

Reclassification of Eimeria schmidti Al-Yousif et al. (1997) (Apicomplexa: Eimeriidae) with Description of its Endogenous Stages

Microgametes 72-77 [micro]m long and 37-40 [micro]m wide, formed by depauperating divisions (sometimes called degenerate forms in the old literature), presumably belonging to C.

Ceratium Schrank (dinophyceae) of the National Park Sistema Arrecifal Veracruzano, Gulf of Mexico, with a key for identification

Eukaryotic sex can take place between mating types in isogametic species which lack the differentiation between microgametes or sperm and macrogametes or eggs, the distinction which defines male and female (or their functions in hermaphrodites).