单层扁平上皮

血管内皮细胞为单层扁平上皮细胞，多数内皮细胞未见细胞核。

Vascular endothelial cells were pavement epithelium cells , most of them without nuclear .

下颌弓表面上皮由培养前的单层扁平上皮发育为为复层鳞状上皮，少部分下颌弓表面有角化物堆积。

The epithelium of the mandibular arch changed from monolayer to polylayer with accumulation of keratose in some arches .

该鞘一般由2&4层连续的单层扁平上皮构成，广泛存在于所有脑、脊神经及其神经节和植物性神经及其神经节内。

The sheath is generally composed of 2-4 layers of tessellated epithelia and exists all over the cerebrospinal and autonomic nerves and herve ganlions .

神经垂体表面垂体囊为单层扁平上皮细胞，上皮细胞间存在许多不规则的囊上皮孔（2~5μm），上皮孔附近经常可见分泌颗粒。

The pituitary capsule is composed of simple squamous epithelial cells , among which there are many irregular epithelial openings ( 2 ~ 5 μ m ) . Secretory granules can be seen frequently near the epithelial openings .

目的：85%～90%的卵巢癌起源于卵巢生发上皮，它是由单层扁平&立方上皮细胞组成，排卵与上皮性卵巢癌的发病与有关。

Objective : The majority of ovarian cancers ( 85 % ~ 90 % ) are believed to derive from the ovarian surface epithelium which is composed of a single layer of flat-to-cuboidal epithelial cells .

结果显示，双峰驼卵巢表面被覆单层立方至单层扁平的生殖上皮，无排卵窝，上皮下为致密结缔组织白膜，卵巢实质由外周的皮质和中央的髓质构成。

The results showed that the ovary was covered with sample cuboidal or squamous germinal epithelium and tunica albuginea of dense connective tissue .