Search Results

Go to search Go to header Go to navigation Go to main content Go to footer

10 | 25 | 50 | 100 items per page

7,266 results

Image

from article Polarized light microscope

Diagram of a high-sensitivity biological polarizing microscope. Polarizing microscopes for petrography may not require the use of the expensive prism polarizer and analyzer, which can be replaced by dichroic polarizing filters. Some petrographic…

Image

from article Anemia

Image

from article Anemia

Aplastic anemia. This low-power photomicrograph of the bone marrow exhibits only a small amount of hematopoiesis (the process by which the cellular elements of the blood are formed). (Copyright © McGraw-Hill Education)

Image

from article Anemia

Image

from article Life forms of plants

Life forms of plants according to C. Raunkiaer. (After P. Dansereau, Biogeography: An Ecological Perspective, Ronald Press, 1957)

Image

from article Life forms of plants

Image

from article Homocysteine

Homocysteine metabolism. CBS, cystathionine ß-synthase; MTHFR, 5,10-methylene tetrahydrofolate reductase; MS, methionine synthase; BHMT, betaine:homocysteine methyltransferase; SAM, S-adenosylmethionine; SAH, S-adenosylhomocysteine; 5-methyl THF,…

Image

from article Echolocation

Echolocation is a physiological tool used by gray bats (Myotis grisescens). (Credit: Amareta Kelly)

Image

from article Echolocation

Sound spectrograms representing sonar signals of (a) Brazilian or Mexican free-tailed bats (Tadarida brasiliensis), (b) big brown bats (Eptesicus fuscus), (c) Wagner's mustached bats (Pteronotus personatus), and (d) greater horseshoe bats…

Image

from article Chevrotain