https://padlet.com/reneesmith718/jsxy6nzmumpavr2n By Renee and Emily W en-us 2020-06-14 21:46:59 UTC 2026-03-12 04:21:51 UTC hello@padlet.com reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626401710 The radiosensitivity of cells is directly related to their metabolism.

higher cell metabolism = more radiosensitivity]]> 2020-06-14 21:51:31 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626401710 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626402845 The radiosensitivity of cells is directly proportional to their reproductive activity.

greater reproductive activity = more radiosensitivity


]]> 2020-06-14 21:53:09 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626402845 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626404841 Radiosensitivity is a function of the metabolic state of the cell receiving the exposure.
This is true for all types of cells in the human body.]]> 2020-06-14 21:56:08 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626404841 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626407736 The radiosensitivity of cells is inversely proportional to their degree of differentiation (ability to perform special functions)

more specialized functions = less radiosensitivity]]> 2020-06-14 22:00:28 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626407736 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626408536 Blood cells are the some of the most radiosensitive cells in the body. These cells are constantly regenerating and cells like erythrocytes carry oxygen, which increase the effects of ionizing radiation.]]> 2020-06-14 22:01:48 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626408536 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626408587 - Most radiosensitive blood cell
- Live for only 24 hours (Tenant 2, 4)
Dose:
- 0.25 Gy can depress the number of cells in circulating blood. Recovery occurs shortly after irradiation.
- 0.5 to 1 Gy can cause the cell count to decrease to zero within days. Recovery takes several months.
- The body becomes highly susceptible to antigens. ]]> 2020-06-14 22:01:53 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626408587 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626408640 Dose:
- 0.5 Gy reduces number of cells in circulating blood
- 2 to 5 Gy reduces number of cells by 10% or less within several weeks. Recovery takes several months. ]]> 2020-06-14 22:01:58 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626408640 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626408732 - Lifespan of 30 days (Tenant 2, 4)
Dose:
- 0.5 Gy lessens amount of platelets in circulating blood
- 1 to 10 Gy significantly depletes the number of platelets. Recovery begins as early as 2 months after irradiation.]]> 2020-06-14 22:02:08 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626408732 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626409961 Mature:
- do not divide therefore are relatively insensitive to ionizing radiation (Tenant 2, 4)
Immature:
- extremely radiosensitve because they divide rapidly (Tenant 2, 4)
Dose:
- 0.1 Gy could depress the population or cause genetic mutations
- 2 Gy can cause sterility for up to 12 months
- 5 or 6 Gy can cause permanent sterility]]> 2020-06-14 22:04:04 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626409961 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626410097 Mature:
- little radiosensitivity (Tenant 2, 4)
Immature:
- very radiosensitive (Tenant 2, 4)
Dose:
- As low as 0.1 Gy could cause menstrual irregularities 
- 2 Gy can cause temporary sterilization
- 5 Gy usually causes permanent sterility in mature women
- Up to 20 Gy can be tolerated if received over several weeks]]> 2020-06-14 22:04:17 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626410097 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626412155 The radiosensitivity of cells is inversely proportional to their age.

more cell maturity = less radiosensitivity]]> 2020-06-14 22:07:38 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/626412155 emilywhipple118 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/631459347 - Highly specialized, therefore less radiosensitive (Tenant 3)
- Mature, therefore less radiosensitive (Tenant 4)
Dose:
- Takes around 50 Gy to kill nerve tissues
Damage:
- If the nucleus is damaged, the cell may still be able to function but is impaired.
- If the nucleus is destroyed, the cell dies and is not restored.
- Damage to dendrites and axon is also possible and would cause disruption of communication to the body.]]> 2020-06-18 02:27:43 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/631459347 emilywhipple118 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/631459388 - Immature, therefore more radiosensitive (Tenant 4)
- Maximum sensitivity is 8-15 weeks after gestation
- Lower level of elevated risk until week 25
- Only do medical imaging procedures if vital
Dose:
- 0.1-Sv fetal EqD is known to increase the chance of intellectual disability by as much as 4%]]> 2020-06-18 02:27:46 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/631459388 emilywhipple118 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/631498724 - Relatively insensitive due to being highly specialized (Tenant 3)
- Do not divide, so less radiosensitive (Tenant 1)]]> 2020-06-18 03:23:33 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/631498724 emilywhipple118 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/631501522 - Highly radiosensitive because it is constantly regenerated through the process of mitosis (Tenant 1, 2)
- Erythema can appear between 24-48 hours after an absorbed dose of 2 Gy]]> 2020-06-18 03:27:57 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/631501522 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/634643310 The radiosensitivity of reproductive cells differs between male and females and depends on the state of development of the cell. Overall, female reproductive cells are more radiosensitive, and immature reproductive cells are more radiosensitive than mature cells. ]]> 2020-06-20 22:29:41 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/634643310 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/634644259 Epithelial tissue does not have blood vessels and therefore is constantly sloughing off and regenerating, which makes it fairly radiosenstive. ]]> 2020-06-20 22:32:36 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/634644259 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/634646324 Muscle cells are some of the least radiosensitive cells in the body because they are highly specialized and do not divide. ]]> 2020-06-20 22:39:10 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/634646324 reneesmith718 https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/634646561 Nervous tissue is found in the brain and spinal cord, and it is the least radiosensitive tissue in the body. ]]> 2020-06-20 22:39:55 UTC https://padlet.com/reneesmith718/jsxy6nzmumpavr2n/wish/634646561