Science Photo Library Pectus excavatum often develops during puberty and more commonly affects men She therefore sought out thoracic surgeon Joel Dunning, from the James Cook University Hospital ...

or "What is it, it's like a gaping hole? Tori began. It's actually a bone thing, it's called pectus excavatum." According to Boston Children's Hospital, pectus excavatum, sometimes referred to as ...

THE mechanism of hatching in the sheep tick does not seem to have been previously described. When freely laid, the eggs are oval, but deposition in crevices results in a certain amount of flattening.