Words similar to firstly

Example sentences for: firstly

How can you use “firstly” in a sentence? Here are some example sentences to help you improve your vocabulary:

Firstly, the trigger for the sustained elevation in cytoplasmic calcium may occur at the level of the ER, and secondly, this effect may also contribute substantially to the neurotoxicity of mefloquine.
Firstly, we investigated the effects of systemic delivery of mhATF-BPTI on the growth of subcutaneous tumour implants.
Firstly, it's ridiculous to spend $120 (or any amount) on a service contract for one of these devices.
Briefly, if this model is applied to Hh signaling, it proposes that, firstly, agonist and antagonists act at independent sites to select active and inactive conformations of Smo; secondly, that Smo engages an undefined coupler/effector, when it is in its signaling state; and finally, that the gain-of-function mutant form of Smo, Smo act, adopts an abnormal conformation that resembles the coupler/effector-bound signaling state of Smo with low affinity for antagonists but normal affinity for the agonist.
Firstly, we identified yCCR4 mammalian orthologs and demonstrated that the human member can interact with the human yPOP2 homologs.