Blastomeres - ț̢
The undifferentiated cells produced by early cleavages of the fertilized egg (ZYGOTE) inside the intact ZONA PELLUCIDA. Blastomeres are formed during the MORULA and the BLASTULA stages of the preimplantation EMBRYO.
Synonyms : Blastocyte, Blastomere
Blastomyces - ț̢
A genus of onygenacetous mitosporic fungi whose perfect state is Ajellomyces (see ONYGENALES). The species Blastomyces dermatitidis (perfect state Ajellomyces dermatitidis) causes blastomycosis.
Synonyms : Blastomyces dermatitidis
Blastomycosis - ț̢
A fungal infection that may appear in two forms: 1, a primary lesion characterized by the formation of a small cutaneous nodule and small nodules along the lymphatics that may heal within several months; and 2, chronic granulomatous lesions characterized by thick crusts, warty growths, and unusual vascularity and infection in the middle or upper lobes of the lung.
Synonyms : Blastomycoses, North American Blastomycosis
Blastula - ț̢
An early non-mammalian embryo (EMBRYO, NONMAMMALIAN) that follows the MORULA stage. Blastula is usually a spherical structure containing a single layer of cells with a hollow cavity.
Synonyms : Blastulae
Blattellidae - ț̢
A family of insects, in the order Dictyoptera (COCKROACHES), including genera Blattella, Parcoblatta, and Symploce.