Define Spongy Bone.
Location: Inside bones; Structure: Lattice-like; Function: Lightens bone weight and houses marrow
Spongy bone is crucial for bone strength and flexibility.
Define Compact Bone.
Location: Outer layer of bones; Structure: Dense and solid; Function: Provides strength and support
Compact bone is essential for protecting internal structures.
What are the cells involved in bone tissue?
These cells play key roles in bone formation, resorption, and maintenance.
What is the periosteum composed of?
The periosteum is vital for bone growth and repair.
What bones make up the pelvis?
The pelvis supports the weight of the upper body and protects pelvic organs.
What are the curvatures of the vertebral column?
These curvatures are important for balance and weight distribution.
What is the function of articular cartilage?
Cushions joints and reduces friction
Articular cartilage is crucial for joint health and mobility.
What are the sutures of the skull?
Sutures are fibrous joints that connect the bones of the skull.
What is the function of the endosteum?
Lines the medullary cavity and contains bone-forming cells
The endosteum is important for bone growth and repair.
What is the medullary cavity?
Hollow space within the diaphysis of long bones
It contains yellow or red bone marrow.
Define appendicular skeleton.
The part of the skeleton that includes the limbs and pelvic and pectoral girdles.
True or false: The appendicular skeleton consists of 126 bones.
TRUE
This includes bones of the arms, legs, pelvis, and shoulder girdle.
What bones are included in the pectoral girdle?
The clavicle and scapula are the bones of the pectoral girdle.
Fill in the blank: The humerus is the bone of the _______.
upper arm
What is the function of the scapula?
It connects the humerus with the clavicle and provides shoulder stability.
Define clavicle.
The collarbone that connects the arm to the body at the sternum.
True or false: The ulna is located on the same side as the thumb.
FALSE
The ulna is on the opposite side of the thumb, next to the little finger.
What is the radius?
The bone in the forearm located on the same side as the thumb.
Fill in the blank: The femur is the bone of the _______.
thigh
What bones make up the pelvic girdle?
The pelvic girdle consists of the ilium, ischium, and pubis.
Define patella.
The kneecap, which protects the knee joint and aids in leg movement.
True or false: The tibia is the larger bone in the lower leg.
TRUE
The tibia is also known as the shinbone.
What is the function of the fibula?
It provides stability to the ankle and supports the muscles of the lower leg.
Fill in the blank: The carpals are the bones of the _______.
wrist