In the context of the general pattern described above for typical bilaterian animals, it is important to note that even secondarily radial forms such as echinoderms tend to follow the same overall model of gut organization.
The RAD52 superfamily shows a sporadic phyletic distribution, and even in the crown-group eukaryotes, might have been secondarily lost in certain lineages, such as plants, nematodes and insects.
However, many epigaeic (hunting aboveground) and some hypogaeic (underground) army ant species have secondarily expanded their diet breadth to include other invertebrates and even small vertebrates [ 11, 12].
Other internal organs can be secondarily invaded during colonization, among others the spleen, liver, and even the heart, leading to pain in the infected organ.
I like to think of it as more akin to great, wide, learned, meandering conversation — something that belongs to the genre of, say, Robert Burton's "Anatomy of Melancholy" — never dull, often startling and fantastic and beautiful, often at odds with itself, sometimes distasteful, sometimes unintentionally hilarious, sometimes (even, maybe, secondarily) true.
It came primarily from merlot, cabernet sauvignon, malbec and syrah grapes, and secondarily from cabernet franc and petit verdot.
I feel badly for him and his family and, secondarily, for their organization.
The main reason women start hormone replacement is to counter the symptoms of menopause, primarily hot flashes that disrupt sleep and cause daytime discomfort and, secondarily, vaginal dryness.
Some urban planners would expand it even further, believing that open-space corridors should be designed throughout primarily as social spaces for people and only secondarily as utilitarian passages for vehicles.
Malacostracans are primarily swimmers and secondarily walkers, clingers, and burrowers.
