humpback

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humpback:

see hunchbackhunchback,
abnormal outward curvature of the spine in the thoracic region. It is also known as kyphosis and humpback, and in its severe form a noticeable hump is evident on the back.
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Humpback

 

a deformity of the spine that develops as a result of various diseases or injuries of the spine (most frequently in tubercular spondylitis). As a result of a pathological process, destruction of some vertebral bodies occurs, resulting in their deformation, which in its turn entails curvature of the spine in anterior-posterior and lateral directions. When humpback develops in children or young people, deformation of the spine is severe, inasmuch as further development of the skeleton does not proceed normally. A humpback in the form of a rounded protuberance in the back may form in rickets, as a result of changes in bone tissue. Rickety humpback is usually corrected with timely and correct treatment of rickets. The whole thorax is deformed simultaneously with the formation of a humpback—a so-called costal hump is formed, which also develops in lateral curvatures of the spine (scolioses). Prophylaxis of humpback formation in tubercular spondylitis consists of early and correct treatment of the tubercular process; in rickets preventive measures in administering antirachitic treatment, restraining the infant from sitting up too early, placing the infant on its abdomen from the age of 2½ months, massaging the back muscles, and exercising.

A special place is occupied by so-called cardiac hump—a protuberance of the thorax in the region of the heart, usually observed in young people who suffer from cardiac defects (chiefly aortic insufficiency).

humpback

[′həmp‚bak]
(medicine)

humpback

1. another word for hunchback
2. a large whalebone whale, Megaptera novaeangliae, closely related and similar to the rorquals but with a humped back and long flippers: family Balaenopteridae
3. a Pacific salmon, Oncorhynchus gorbuscha, the male of which has a humped back and hooked jaws
4. Brit a road bridge having a sharp incline and decline and usually a narrow roadway
References in periodicals archive ?
Hannah Jones, from Llantwit Major, co-owner of Marine Discovery Penzance, took this picture of a humpback whale that was seen off the coast of Cornwall over the weekend HANNAH JONES/FACEBOOK
"It also raises issues regarding how Ireland is going to use this important finding to enhance the conservation status of this endangered humpback whale population".
Humpback whale found in Brazilian forest Image Credit: REUTERS
Caption: New research indicates that humpback whale calls can be passed down generations, a discovery that is reshaping what scientists know about how and why these whales talk to each other.
Andrew Willson, from Five Oceans Environmental Services (5OES) in Muscat, said, "The implications of this first trans-oceanic crossing reported by the tag represents a significant break-through for regional scientists who until this last week have been challenged to understand if the humpback whales observed in the Arabian sea are connected -- or reside in their own discrete areas.
(http://www.ktva.com/dead-humpback-whale-found-stuck-on-cruise-ship-docking-in-seward-839/) A similar incident occurred in May 2016 when what also appeared to be a juvenile humpback whale was found impaled on the bow of a Holland America cruise ship as it pulled into port in Alaska.
Fin (Balaenoptera physalus) and humpback (Megaptera novaeangliae) whales are among the most abundant baleen whales in Scotia Sea (Orgeira et al., 2015) and have been widely recorded in different Antarctic and sub-Antarctic areas (Joiris, 1991; De la Mare, 1997; Orgeira, 2004; Rossi-Santos et al., 2007; Nowacek et al., 2011; Joiris and Dochy, 2013).
Commercial exploitation of humpbacks in the West Indies began in the 1820's with whaling by vessels from the great "Yankee" whale fishery.
Humpback whales purr, moan and squeak in repeated sequences better known as whalesong.
No-one disputes that humpbacks the world over have staged an impressive comeback from the brink of extinction since commercial whaling was outlawed in 1966.
The phrase "monkey see, monkey do" also applies to humpback whales.
The finding is unusual since humpbacks in the same ocean basin usually all sing very similar songs.