Fraser-lendrum stain
(Science: technique) For fibrin, a multistaining procedure after Zenker’s fixative in which fibrin, keratin, and some cytoplasmic granules appear red, erythrocytes appear orange, and collagen appears green.
Fraser-lendrum stain (Science: technique) For fibrin, a multistaining procedure after Zenker’s fixative in which fibrin, keratin, and some cytoplasmic granules appear red, erythrocytes appear orange, and collagen appears green...
Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..
Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..
