Osteons are arranged in parallel to the long axis of the bone. The Haversian canals surround blood vessels and nerve cells throughout the bone and communicate withosteocytes in lacunae (spaces within the dense bone matrix that contain the living bone cells) through canaliculi.
Any donation to a political party, campaign, or action committee is not tax deductible. 1  According to the Internal Revenue Service, âYou cannot deduct contributions made to a political candidate, a campaign committee, or a newsletter fund. 2  Limits On Contributions To Political Campaigns.
1 For instance, contributions to a Roth IRA are not tax deductible while contributions to a traditional IRA may be deductible. 2  However, while distributions (including earnings) from a traditional IRA may be included in income, the distributions (including earnings) from a Roth IRA are not included in income. For instance, contributions to a Roth IRA are not tax deductible while contributions to a traditional IRA may be deductible. 2  However, while distributions (including earnings) from a traditional IRA may be included in income, the distributions (including earnings) from a Roth IRA are not included in income.