Pectus carinatum, commonly referred to as “pigeon chest,” is a chest wall malformation in which the sternum and ribs push in an outward direction. It occurs when cartilage, the bones of the sternum ...
STONEY states (NATURE, January 6, vol. lxxxii., p. 279) that with a large aperture microscope objective and oblique illumination, Lycopodium spores are seen to be coated with hair-like projections.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback