Cellular Adaptation

Question 1

What is Atrophy?

Answer 1

• Decrease in cell size by loss of cell substance

- when # if cells r involves hence, entire organ or tissue

Question 2

Define Parturition

Answer 2

Act of giving birth to young

Question 3

Give e.g of physiological atrophy?

Answer 3

Uterus size decrease after parturition

Question 4

Recall causes of Atrophy

Answer 4

• Decrease workload- e.g broken limb immobilsed during complete bed rest after aster cast.
• Loss of innervations - Damage to the nerve supply leads to atrophy of the muscle fibres of that particular muscle
• Hypoxia
• Inadequate nutrition

-Loss of endocrine stimulation -e.g loss of estrogen after menopause 👉 atrophy of vagina, uterus and endometrium
👉Associated with aging