sperm cells or spermatozoa, immunofluorescent photomicrograph, organs samples, histological examination, histopathology on the microscope - 科學顯微圖片 個照片及圖片檔精子, 顯微鏡, 細菌
nerve; cross section, myelinated nerve fibers (nerve fibers are dark, surrounded by white myelin sheath), 50x at 35mm. shows a single fasciculus (bundle of nerve fibers), perineurium (blue connective tissue), and endoneurium (blue). - 科學顯微圖片 個照片及圖片檔人體神經系統
motor neuron (multipolar) with cell body and many processes (mostly dendrites), spinal cord (magnification x100). this multipolar motor neuron comes from the anterior (ventral) horn of the spinal cord grey matter. the stain is methylene blue and phloxine. - 科學顯微圖片 個照片及圖片檔顯微鏡, 細胞, 人體細胞
microscope of adenoid cystic carcinoma, rare type of cancer exist in many different body sites. - 科學顯微圖片 個照片及圖片檔細胞, 抽象, 微距攝影
cross section of the cerebellum and nerve human under the microscope for education in lab - 科學顯微圖片 個照片及圖片檔細胞, 顯微鏡, 肌肉
helianthus (sunflower), herbaceous dicot, stem cross section, vascular bundles, cortex, pith. 25x - 科學顯微圖片 個照片及圖片檔木髓, 維管束
colored light micrograph of a section through hairs of the human skin - 科學顯微圖片 個照片及圖片檔光學顯微圖, 毛囊, 彩色影像
Influenza virus. Viruses of the Orthomyxoviridae family. Avian plague virus. The flu virus is the cause of an infectious and contagious respiratory...
thymus. 10x shows: numerous lobules, cortex (darker with numerous lymphocytes), medulla (lighter). produces a hormone thymosin. - 科學顯微圖片 個照片及圖片檔荷爾蒙, 白血病
blue-green algae (living). gloeocapsa. cyanobacteria. nitrogen fixing. unicellular cells enclosed in layers. 250x h - 科學顯微圖片 個照片及圖片檔藍菌門, 顯微鏡, 細胞
spinal cord cross section, 5x shows: gray matter (golden butterfly), white matter, central canal, dorsal & ventral root, dorsal root ganglion, meninges, dorsal horn, ventral (anterior) horn, & anterior horn cells (motor neuron cell bodies) - 科學顯微圖片 個照片及圖片檔顯微鏡, 人腦
mature pollen. pinus (pine), 100x at 35mm. the pollen grains have wings which aids wind dispersal. male pollen cones produce copious amounts of pollen. - 科學顯微圖片 個照片及圖片檔花粉
stem cross section. corn (zea), herbaceous monocot, 25x. shows: scattered vascular bundles typical of monocots, xylem, phloem, sclerenchyma, pith, and epidermis. - 科學顯微圖片 個照片及圖片檔顯微鏡
immunofluorescent photomicrograph, organs samples, histological examination, histopathology on the microscope - 科學顯微圖片 個照片及圖片檔細胞, 抽象, 體檢
