The phrase "although fundamental" is correct and usable in written English.
It can be used to introduce a contrasting idea or to acknowledge an important point while presenting a different perspective.
Example: "Although fundamental to our understanding of the topic, the theory has its limitations."
Alternatives: "even though essential" or "despite being basic".
Muhlberger said that although fundamental questions about the Panther network remain unanswered, he has some preliminary ideas about where they sell their loot.
Although fundamental mathematical ideas like the AP of multiplication are powerful, they are abstract in nature (Goldstone and Son 2005).
The work, although fundamental in nature, is of significant benefit to practical designs involving curved compression members.
Although fundamental physiological research has been performed (Zhang et al. 2013a, b), the metabolic pathways and cellular processes remain to be elucidated.
Although fundamental principles of diabetic wound care still apply, critical thought must be given to biofilm before implementing a treatment plan for the closure of these complex wounds.
Although fundamental epistemological disparities separate them, the fields of inquiry and practice can be linked by the most critical aspect; the socio-psycho-cultural dimensions of design.
Although fundamentals have been established and significant advantages have been proved, the commercialization of this platform technology was hampered due to modest outcome of clinical trial initiated with PK1, the symbol of first generation polymer-drug conjugates.
Although the fundamental learning outcomes are the same, teachers have been able to expand their repertoire of homework tasks.
Although the fundamental questions about Bill Clinton's behaviour remain as pertinent as ever, the press and public have put them aside.
Although his fundamental insights about the device were sound, he hadn't figured out all the details, nor had he succeeded in producing a working model that was correct in all aspects.
Although the fundamental diversity order is not changed, further coding gains can be achieved and the delay tolerance of the SAS and MAS configurations is different.
