Skeletal Unit:

Diarthrosis

________ is a joint that allows free movement in a variety of directions such as the knee, hip, elbow, wrist and foot.

Amphiarthrosis

________ is a joint that allows slight movement Ex .)

Osteoporosis

________ is an age- related loss of bone mass and density.

Protraction

________: moving a body part forward.

Retraction

________: moving a body part backward.

Dorsiflexion

________: blending a body part backwards (pointing+flexing)

Abduction

________: moving s body part away from the middle.

Adduction

________: moving a body part toward the middle.

Resorption

________ is when the parathyroid gland releases osteoclasts into the bones to break them down into calcium, and release that calcium into the blood.

fetal development

During ________, a framework is laid down that determines where bones will form.

Pronation

________: laying ________ or face downwards; or turning the palm downward.

Circumduction

________: moving a body part in a circular motion.

Rotation

________: moving a body part around a central axis.

Extension

________: straightening a flexed limb.

Lateral recumbent

________: lying on your left or right side.

matrix

A(n) ________ is a large network of proteins and other molecules that surround, support, and give structure to cells and tissues in the body.

Supination

________: lying in ________ or face; or turn the palm or foot upward.

Bones

________ are not inactive structures that form and never change.

embryos skeleton

In the early stages of development, the ________ consists of fibrous membranes and hyaline cartilage.

hyaline cartilage

The ________ dissolves as the bone completes its formation.

Endosteum

________: lining of medullary cavityJoints.

Immature

It is produced by chondroblasts (________ cartilage cells), water, and other material.

bone matrix

The ________ acts as a storage area for calcium.

Inversion

________: turning inward.

Medullary

________: innerspace containing bone marrow.

vertebral column

The ________ is composed of separate bones called vertebrae, connected to form four spinal curves.

Flexion

________: bending a limb.

Fowlers position

________: sitting straight up or reclining slightly; legs straight or bent.

Trendelenburg position

________: lying supine with head lower than feet.

male pelvis

The ________ is shaped like a funnel and is heavier and stronger than the female.

appendicular skeleton

The ________ consists of 126 bones.

calcium levels

When the blood ________ drop below the optimal level, then the parathyroid gland (glands in your throat) are stimulated to release a hormone to the blood.

matrix

The ________ surrounds and isolates chondrocytes (Mature chondroblasts)

Bones

________ provide shape, support, and the framework of the body.

Bones

________ provide a place to attach mucsles.

Bones

________ play an important role in hematopoissi the formation of blood cells that takes place in ________ marrow.

Bones

________ are remodeled continually in response to 2 factors.

Bones

________ serve as a storage place for minerals such as salt__s__ (ions), calcium, and phosphorus.

Bones

________ make movement possible through articulation (where parts come together)

bone

A(n) ________ is a dynamic and active tissue.

osteogenesis

Bone formation

Bone structure

the features in this long bone illustrate those found in all bones

Epiphysis

growing end

Diaphysis

shaft

Periosteum

outside covering

Medullary

innerspace containing bone marrow

Endosteum

lining of medullary cavityJoints

Abduction

moving s body part away from the middle

Adduction

moving a body part toward the middle

Flexion

bending a limb

Extension

straightening a flexed limb

Supination

lying in supine or face; or turn the palm or foot upward

Pronation

laying prone or face downwards; or turning the palm downward

Circumduction

moving a body part in a circular motion

Protraction

moving a  body part forward

Retraction

moving a body part backward

Dorsiflexion

blending a body part backwards (pointing+flexing)

Inversion

turning inward

Eversion

turning outward

Rotation

moving a body part around a central axis

Fowlers position

sitting straight up or reclining slightly; legs straight or bent

Trendelenburg position

lying supine with head lower than feet

Lateral recumbent

lying on your left or right side

The sacral curve (bottom-most)

does not contain vertebrae