Urushiol is a mixture of catchol derivatives. The major catechol on poison ivy leaves is pentadecylcatechol. If urushiol is washed off the skin within an hour or so, the reaction can be largely prevented. However, if left on the skin, some diffuses through the skin, where it is metabolized to.
According to the Torah the Tribe of Benjamin (Hebrew: ×©×× ×Ö´Ö¼× Ö°×Ö¸×Ö´××, Shevat Binyamin, Shevaá¹­ BinyÄmin, binyÄmÃ®n in The Samaritan pentateuch the name appears As BinyamÄ«m: hebrew, ×× ×××× son of my right) hand was one of The tribes Of. israelrom after the conquest of the land by Joshua until the formation of the first Kingdom of Israel in c. 1050 BCE, the Tribe of Benjamin was a part of a loose confederation of Israelite tribes. No central government existed, and in times of crisis the people were led by ad hoc leaders known as Judges.
Scripture lists the spies representing each of the 12 tribes of Israel sent out by Moses. The tribe of Judah was represented by Caleb. Caleb was the son of Jephunneh, and was a Kenite. The Kenites were descendants of Moses' father-in-law, Jethro.