Foetal vein, SEM

Stomach lining with gastric pits, SEM

Liver vein, SEM

Cardiac muscle, SEM

Sputum culture, SEM

Sputum. Scanning electron micrograph (SEM) of a bacterial culture from sputum. Phlegm is a secretion in the airway during disease and inflammation. Phlegm usually contains mucus with virus, bacteria, other debris, and sloughed-off inflammatory cells....

Sputum. Scanning electron micrograph (SEM) of a bacterial culture from sputum. Phlegm is a secretion in the airway during disease and inflammation. Phlegm usually contains mucus with virus, bacteria, other debris, and sloughed-off inflammatory cells....

Neurone. Scanning electron micrograph (SEM) of a PC12 neurone in culture. The PC12 cell line, developed from a pheochromocytoma tumor of the rat adrenal medulla, has become a premiere model for the study of neuronal differentiation. When treated in...

Sputum. Scanning electron micrograph (SEM) of a bacterial culture from sputum. Phlegm is a secretion in the airway during disease and inflammation. Phlegm usually contains mucus with virus, bacteria, other debris, and sloughed-off inflammatory cells....

Meteorite found in Joshua Tree, cross sectioned, polished, etched, back-scatter SEM

Heart capillary, SEM

Heart capillary, SEM

Heart capillary, SEM

Coloured scanning electron micrograph (SEM) of Cotton t-shirt collar with dirt, etc. embedded in fibres. A T-shirt is a style of fabric shirt, named after the T shape of the body and sleeves. It is associated with short sleeves, a round neck line and...

Scanning Electron Micrograph of fracture surface of stainless steel, rouged and etched sample

Line drawing of anterior view of the digestive system from lips to anus. Head is sagittally sectioned and turned laterally.

Illustration comparing infant and adult epiglottis; infant-the epiglottis has a greater angle relative to the axis of the trachea (dashed lines); adult-the epiglottis has a more parallel orientation; infant's vocal cords have a lower attachment anteriorl

Illustration showing epiglottis of an infant and its relationship to the trachea and vocal cords; in an infant, the epiglottis is at an angle relative to the axis of the trachea (dashed lines); infant's vocal cords have a lower attachment anteriorly tha

Illustration showing correct position of initial vertical incision (dashed line) for a surgical cricothyrotomy on a child; hand manually stabilizes trachea.

Illustration showing correct position of cricothyroid membrane incision (dashed line) for a surgical cricothyrotomy on a child; sternohyoid m. has been retracted.

Trachea lining, SEM