Letâs look at ferns as an example of alternation of generations. The fern plants you see out in the woods, or in a garden, or by a river are sporophytes. They produce spores. If you turn over a fern frond (thatâs just a fancy word for leaf), sometimes youâll see little circles all over the underside of the leaf.
Tricyclic Antidepressant (TCA) Overdose. California Poison Control 1-800-876-4766. Pediatric considerations. Low toxicity threshold of TCAs. Therapeutic doses range from 2-4 mg/kg/d. Toxicity is observed at doses of 10-20 mg/kg. Ingestion of only two 50-mg tablets in a 10-kg toddler can be sufficient. to produce symptoms of toxicity.
Side Effects and Precautions of TCA Peels. These side effects sound scary, but they are generally avoidable if you properly care for your skin before and after a TCA peel. To what degree the above side effects will affect you also depends on your skin type and the strength of the peel. Using too strong of a TCA solution and leaving it on your skin for too long contributes to skin damage and persistent redness. Therefore, it's always good to start slow and build your way up.