Integumentary System
This epidermal layer contains dead, flattened cells and forms the majority of the skin's protective barrier.
What is the stratum corneum?
These cells build bone.
What are osteoblasts?
Loss of bone density that increases fracture risk.
What is osteoporosis?
The alternating light and dark bands of skeletal muscle.
What are striations?
This skin pigment is absent in albinism.
What is melanin?
This deepest epidermal layer continuously produces new keratinocytes.
What is the stratum basale?
This fatty tissue fills the medullary cavity of most adult long bones.
What is yellow bone marrow?
Excess calcium in the blood depresses this body system.
What is the nervous system?
The neurotransmitter released at the neuromuscular junction.
What is acetylcholine (ACh)?
The spinal deformity involving a lateral curvature.
What is scoliosis?
These three pigments determine normal skin color.
What are melanin, hemoglobin, and carotene?
The soft bone disease in children caused by vitamin D deficiency.
What is rickets?
The active hormone produced from vitamin D.
What is calcitriol?
The protein that binds calcium during skeletal muscle contraction.
What is troponin?
Continuous acetylcholine release causes this type of paralysis.
What is spastic paralysis?
These specialized epidermal cells function as touch receptors.
What are tactile (Merkel) cells?
The rounded articular projection found on bones.
What is a condyle?
This hormone deficiency causes muscle spasms and tetany.
What is parathyroid hormone (PTH)?
Aerobic respiration produces approximately this many times more ATP than anaerobic fermentation.
What is 30 more?
The ligament cut during surgery to relieve carpal tunnel syndrome.
What is the flexor retinaculum?
Name four major functions of the integumentary system.
Name the five regions of the vertebral column in order.
Adults have fewer bones than children because of this process.
What is bone fusion?
The antagonist of the triceps brachii.
What is the biceps brachii?
Athletes training at high altitude improve endurance because they increase these cells.
What are red blood cells?