от Уикипедия, свободната енциклопедия
	    
	    	    	    
	    
|  | This is a plate from Gray's Anatomy. Unless stated otherwise, it is from the online edition of the 20th U.S. edition of Gray's Anatomy of the Human Body, originally published in 1918. Caption: Human ovum examined fresh in the liquor folliculi. (Waldeyer.) The zona pellucida is seen as a thick clear girdle surrounded by the cells of the corona radiata. The egg itself shows a central granular deutoplasmic area and a peripheral clear layer, and encloses the germinal vesicle, in which is seen the germinal spot. This image in the public domain because its copyright has expired. This applies worldwide. |  | 
Препратки към файла
Следните страници сочат към файла: