In babies the leading edge is most often caused by lymphoid hyperplasia, or the enlargement of lymphoid tissue.

在婴儿中，套叠前缘最常由淋巴样增生引起，即淋巴组织增大。

This is called benign prostatic hyperplasia and is often considered a normal part of aging.

这被称为良性前列腺增生，这通常是年龄增长的正常现象。

So having high levels of estrogen will cause the endometrium undergoes hyperplasia, leading to increased risk of developing type 1 endometrial carcinoma.

因此，高水平的雌激素会导致增生，从而增加I型的风险。

Type 1 is associated with having abnormally high levels of estrogen over a long period of time, and is usually preceded by endometrial hyperplasia.

I型与长时间异常升高的雌激素水平有关，通常发生在增生之后。

One example is thyroid hyperplasia, an enlargement of the thyroid gland caused by an abnormal rapid growth of the epithelial cells lining the follicles.

一个例是甲状腺增生，甲状腺腺体增大是由于滤泡衬的上皮细胞异常快速生长引起的 。

Normally, this ratio should be less than 40%, but it can be over 40% for people with chronic bronchitis, because of the hyperplasia and hypertrophy of the glands.

一般情况下应少于40%，对于慢支患者来说，由于黏液腺的肥大增生，该数值会大于40%。

The transitional zone undergoes hyperplasia, or an increase in the number of cells, in a large percentage of older men, and that often leads to compression of the urethra.

在大多数老年男性身上，移行带通常会增生，即细胞数量的增加，常常会使尿道受压。

They do this through beta cell hyperplasia, an increased number of beta cells, and beta cell hypertrophy, where they actually grow in size, all in this attempt to pump out more insulin.

它们通过β细胞增生，即增加β细胞的数量，以及β细胞肥大，即其体积增大，试图泵出更多的胰岛素。

Whatever the irritants are, their effect is to stimulate hypertrophy and hyperplasia of the mucinous glands in the main bronchi, as well as the goblet cells in the smaller airways - the bronchioles, which increases mucus production in both locations.

无论哪种刺激，都会激发主支气管黏液腺以及小气道杯状细胞的肥大增生，使得肺各个部位黏液产生增加。