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.
No Tax Deduction. You can't deduct contributions to traditional TSPs because they're deducted directly from paychecks. When your employer sends you your W-2, your taxable income won't include your TSP contributions. For example, assume your salary is $68,000, and you contribute $6,000 to your traditional TSP.