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Wikipedia:Featured picture candidates/Chicken egg diagram; Wikipedia:Featured picture candidates/Chicken egg diagram2; Wikipedia:Featured picture candidates/June-2017; Wikipedia:Featured picture candidates/May-2017; Wikipedia:Featured pictures/Sciences/Biology; Wikipedia:Featured pictures thumbs/60; Wikipedia:Main Page history/2021 February 10
Of the many types and shapes seen in chicken cocks the principal ones are: [2]: 499 [3] the single comb, extending in a single line from the top of the base of the beak to the back of the head. It consists of a solid vertical part with a series of points or serrations; the size, shape and number of these and the overall shape of the comb are ...
Chicken embryos are a useful model organism in experimental embryology for a number of reasons. Their domestication as poultry makes them more readily available than other vertebrates (such as mice), and being oviparous , the embryos are easily accessible.
The chicken (Gallus gallus domesticus) is a large and round short-winged bird, domesticated from the red junglefowl of Southeast Asia around 8,000 years ago. Most chickens are raised for food, providing meat and eggs; others are kept as pets [1] or for cockfighting.
The chicken embryo is a unique model that overcomes many limitations to studying the biology of cancer in vivo. The chorioallantoic membrane (CAM), a well-vascularized extra-embryonic tissue located underneath the eggshell, has a successful history as a biological platform for the molecular analysis of cancer including viral oncogenesis, [8] carcinogenesis, [9] tumor xenografting, [1] [10] [11 ...
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It is now clear that the bursa is the primary site of B cell lymphopoeisis and that avian B cell development has some unique properties compared to human or mouse models. [11] Almost all the B cell progenitors in the bursa of 4-day-old chickens express IgM on their cell surface. Studies have shown that B cells of 4– to 8-week-old birds are ...
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related to: chicken anatomy model pictures