The process in which a cell becomes capable of differentiating autonomously into a tapetal cell of anthers in an environment that is neutral with respect to the developmental pathway; upon specification, the cell fate can be reversed.
anther wall tapetum development +
anther wall tapetum formation +
anther wall tapetum morphogenesis +
antral ovarian follicle growth +
apical cell fate commitment
ascospore release from ascus
ascospore wall assembly
ascospore-type prospore assembly +
ascospore-type prospore membrane formation +
asexual spore wall assembly
asexual sporulation +
bundle sheath cell fate specification
cardiac cell fate specification +
cell differentiation involved in embryonic placenta development +
cell fate specification involved in pattern specification +
centrosomal and pronuclear rotation
chorion micropyle formation
chorion-containing eggshell pattern formation
compound eye cone cell fate specification +
conidiophore stalk development +
cumulus cell differentiation +
decidualization
development of primary sexual characteristics +
development of secondary sexual characteristics +
dichotomous subdivision of prostate epithelial cord terminal unit