The Circadian Rhythm Is Reset by Input from Special Ganglion

question 117

Multiple Choice

 The circadian rhythm is reset by input from special ganglion cells in the retina. These ganglion cells are unusual in that they ____.

• A) receive input from only cones, not rods
• B) are located only in a doughnut-shaped band surrounding the fovea
• C) respond directly to light, but respond very slowly
• D) become active only at night or in very dim light

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Definitions:

Osteoclasts

Cells that break down bone tissue, playing an essential role in bone remodeling, growth, and healing.

Osteoblasts

Cells responsible for new bone formation and mineralization.

Coxal Bone

Another term for the hip bone, comprising the ilium, ischium, and pubis, which connect the spine to the lower limbs.

Ilium

The largest bone of the pelvis, forming the uppermost part.