A woman having a shower

Lateral view of vertebral column curvature in an adult, showing cervical (red), thoracic (brown), and lumbar (yellow) vertebrae, and the sacrum and coccyx (orange).

A man with gears for muscles

Family pedigree showing X-linked dominant inheritance. Green square indicates male with disease. Blue square indicates well male. Orange circle indicates female with disease.

Sagittal section of spinal cord at 12 weeks' gestation, showing the nerves, vertebral bodies, and cervical (pink), thoracic (orange), lumbar (yellow), sacral (brown), and coccygeal (green) segments.

Family pedigree showing autosomal dominant inheritance. Green square indicates male with Huntington's disease. Blue square indicates well male. Orange circle indicates female with Huntington's disease. Pink circle indicates well female.

A little girl getting a shot

Family pedigree showing autosomal recessive inheritance. Light green square = male with disease. Blue square = well male. Dark green square = carrier male. Orange circle = female with disease. Pink circle = well female. Yellow circle = carrier femal

A man at a crossroad

A letter with flowers and candles showing Christmas mood

Earth globe with a fuse lighted up as a time bomb.

Shower of Orange Sparks from Firework