Physiologic hypertrophy of the uterus during pregnancy 正常子宫组织 肥大子宫组织 肥大子宫组织与正常子宫组织比较,平滑肌细胞体积明显增大
Physiologic hypertrophy of the uterus during pregnancy
心脏肥大 Hypertrophy of heart 肥大心肌细胞[右侧]与正常心肌相比,细胞明显增大
Hyperplasia(增生) o Increase in the number of cells and consequently an increase in the size of the organ or tissue o Increase in cell number
⚫ Increase in the number of cells and consequently an increase in the size of the organ or tissue. ⚫ Increase in cell number Hyperplasia （增生）
Causes and types ● Physiologic hyperplasia(生理性~) ● Pathologic hyperplasia(病理性~) o Most forms of pathologic hyperplasia are instances of excessive hormonal or growth factor stimulation
Causes and types ⚫ Physiologic hyperplasia (生理性～） ⚫ Pathologic hyperplasia （病理性～） ⚫ Most forms of pathologic hyperplasia are instances of excessive hormonal or growth factor stimulation
正常乳腺组织 哺乳期乳腺组织 哺乳期与静止期乳腺相比较,腺泡增多,腺上皮增大、胞浆透明,腔内有分泌的乳汁