Tuesday, March 1, 2011


PHIL Public Health Image Library

You are receiving this email because you requested that CDC send you multimedia updates as they are released. This is the first email update on the newest additions to CDC’s Public Health Image Library (PHIL).

The PHIL contains images that include the history of public health practice, epidemic investigation, pathogens such as viruses and bacteria, and human interest topics encouraging all to live a healthy lifestyle.

To view more images, visit the Public Health Image Library.

To remove your email address from future CDC Public Health Image Library (PHIL) notifications go to https://service.govdelivery.com/service/user.html?code=USCDC to update your user profile. Enter your email address into the dialog box, and de-select the checkbox next to the CDC Public Health Image Library (PHIL) subscription item.

Three of the Newest PHIL Additions:

Image Description
PHIL 12512 PHIL 12512:
This image depicts the head of an Underwood’s mastiff bat, Eumops underwoodi. An insectivore, this flying mammal is a member of the family, Molossidae. E. underwoodi was placed on the Federal Government’s, Bureau of Land Management’s Sensitive Species list in October, 2000. It is a large bat, weighing 45 - 65gm, and has a wing span of 500 - 540mm. Its diet consists of nocturnal flying insects, which range in length from 6 - 60mm.
PHIL 12520 PHIL 12520:
Magnified 1150X, this trichrome-stained photomicrograph revealed the presence of parasitic Entamoeba coli trophozoites.

Trophozoites of Entamoeba coli usually measure 15 to 50 µm. The trophozoites possess a single nucleus with a characteristically large, eccentric karyosome and coarse, irregular peripheral chromatin. The cytoplasm is usually coarsely granular and vacuolated (often described as "dirty" cytoplasm). Pseudopodia may be seen, which are often short and blunt, and the movement in living trophozoites is nondirectional.

PHIL 12532 PHIL 12532:
Under a relatively-low magnification of 100X, this photomicrograph reveals some of the pathologic morphology displayed by a primate hair shaft indicative of the disease known as, “black piedra”, also known as “trichosporosis”, which is caused by the fungal organism, Piedraia hortae.

Image of the Week:

Image Description
PHIL 70 PHIL 70:
This photomicrograph depicts the histopathologic changes of gastrocnemius muscle from patient who died of pseudohypertrophic muscular dystrophy, Duchenne type. Cross section of muscle shows extensive replacement of muscle fibers by adipose cells.

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