Fluorescence Kit3 × $599.00
Ruby-throated Hummingbird Tail Feather: 3D Model3 × $59.00
Diffuser for Canon M-PE 65mm 1-5x2 × $49.00
Diffuser for Mitutoyo M Plan APO Objectives2 × $49.00
Turtledove Diffusers: Canon MT-24 EX Twin Lite Flash2 × $79.00
Macropod PRO 3D & Micro Kit R51 × $46,910.00
Corylus americana, Leaf Texture from Fenton River1 × $59.00
Soporte vertical, pequeño, 7 LBS1 × $349.00Macropod PRO 3D R5 Educational (Excludes 7.5-100x Objectives)1 × $31,099.00Macropod PRO 3D R5 (Excludes 7.5-100x Objectives)1 × $34,049.00
Internal Mold of a Turretellid Gastropod: Fossil1 × $59.00
$19.00 – $400.00Price range: $19.00 through $400.00
A comedo is a clogged hair follicle (pore) in the skin.[2] Keratin (skin debris) combines with oil to block the follicle.[3] A comedo can be open (blackhead) or closed by skin (whitehead), and occur with or without acne.[3] The word comedo comes from the Latincomedere, meaning “to eat up”, and was historically used to describe parasitic worms; in modern medical terminology, it is used to suggest the worm-like appearance of the expressed material.[1]
The chronic inflammatory condition that usually includes both comedones and inflamed papules and pustules (pimples) is called acne.[3][4] Infection causes inflammation and the development of pus.[2] Whether or not a skin condition classifies as acne depends on the amount of comedones and infection.[4] Comedones should not be confused with sebaceous filaments.
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| Size | 150×150 ($19), 240×160 ($29), 640×427 ($49), 2048×1365 ($199), Original ($400) |
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