Density

Measuring the optical density of a substance by shining light on it and measuring its transmission.

A device designed to measure density.

A growth hormone producing pituitary gland adenoma composed of medium-sized acidophilic cells with granular cytoplasm and abundant secretory granules.

A rare prolactin producing pituitary gland adenoma composed of acidophilic cells with many large secretory granules. The endoplasmic reticulum is not…

Connective tissue in which the fibrous component predominates. The cells, ground substance, and tissue fluid represent a minor component.

Having high relative density or specific gravity; permitting little if any light to pass through.