phylum. 1  Biology. the primary subdivision of a taxonomic kingdom, grouping together all classes of organisms that have the same body plan. 2  Linguistics. a category consisting of language stocks that, because of cognates in vocabulary, are considered likely to be related by common origin. Compare stock (def 13).
There are between 500 and 600 lymph nodes in the average adult human body.
The below data would brief you on the lymph nodes locations in body, and then some more information about the working of the immune system. Where Are the Lymph Nodes Located in the Body? There are about 500-600 lymph nodes that are located in the body, as different places such as neck, collarbone, armpits, and groin.