artery and vein showing three distinct layers or tunics. magnification x25. showing a muscular artery and vein (collapsed because of the thinner wall) in cross section, tunica intima, tunica media (much larger and with a substantial amount of smooth muscl - 平滑肌 個照片及圖片檔
tmicroscopic anatomy (histology) of transitional epithelium (stretched state), urinary bladder, 250x - 平滑肌 個照片及圖片檔上皮組織, 膀胱
artery anatomy--shows layers or tunics, tunica interna (intima), tunica media and tunica externa (adventitia), 100x - 平滑肌 個照片及圖片檔
small intestine showing layers---mucosa, submucosa, muscular layer, serosa and simple columnar epithelium with goblet cells, 25x - 平滑肌 個照片及圖片檔
Schlemm canal, trabeculum, aqueous humor, treatments. Sagittal section of the eye with, behind the cornea, the anterior chamber, the iris and the...眼睛, 青光眼
medical illustration depicting the differences between simple and compound eyes. - 平滑肌 幅插畫檔、美工圖案、卡通及圖標複眼
histology (microanatomy) of an arteriole---layers or tunics, cross section, 250x - 平滑肌 個照片及圖片檔紅血球, 內皮細胞, 摄影