CH # 7: Skeletal System Flashcards by Mary Best

Slightly moveable joints

Amphiarthroses

How well did you know this?

Not at all

Perfectly

Bones that r attached 2 the body

Upper and lower extremities

Appendicular skeleton

How well did you know this?

Not at all

Perfectly

Growth resulting from material being deposited on the surface

Example: the growth in diameter of long bones

Appositional growth

How well did you know this?

Not at all

Perfectly

Thin layer of hyaline cartilage that covers the end of long bones in joints

Articular cartilage

How well did you know this?

Not at all

Perfectly

A joint

The area of contact between 2 bones

Articulation

How well did you know this?

Not at all

Perfectly

Bones of the head, neck and trunk

Axial skeleton

How well did you know this?

Not at all

Perfectly

The long straight shaft of a long bone

Diaphysis

How well did you know this?

Not at all

Perfectly

2 names 4 a freely moveable joints characterized by a joint cavity

Diarthroses

Synovial joint

How well did you know this?

Not at all

Perfectly

Membranous lining of a cavity w/in a bone

Endosteum

How well did you know this?

Not at all

Perfectly

The remnant of the epiphyseal plate after the cartilage calcifies and growth ceases

Epiphyseal line

How well did you know this?

Not at all

Perfectly

The cartilaginous plate between the epiphysis and diaphysis of a bone

Reponsible 4 the lengthwise growth of a long bone

Epiphyseal plate

How well did you know this?

Not at all

Perfectly

The end of a long bone

Epiphysis

How well did you know this?

Not at all

Perfectly

Production of blood or its cells

Hematopoiesis

How well did you know this?

Not at all

Perfectly

Bone-forming cells

Immature cells

Osteoblasts

How well did you know this?

Not at all

Perfectly

Cells that destroy, break down, or resorb bone tissue

Osteoclasts

How well did you know this?

Not at all

Perfectly

Mature bone cells

Osteocytes

How well did you know this?

Not at all

Perfectly

2 names 4 the formation of bone

Osteogenesis

Ossification

How well did you know this?

Not at all

Perfectly

Structural unit of bone

Haversian system

Osteon

How well did you know this?

Not at all

Perfectly

Attachment 4 the upper extremities in the chest region

Clavicle and scapula

Pectoral girdle

How well did you know this?

Not at all

Perfectly

Attachment 4 the lower extremities

Bones collectively shaped like a basin

Ilium, ischium, pubis

Pelvic girdle

How well did you know this?

Not at all

Perfectly

Tough white outer membrane that covers a bone

Periosteum

How well did you know this?

Not at all

Perfectly

Immovable fibrous joints between the flat bones of the skull

Sutures

How well did you know this?

Not at all

Perfectly

Immovable joinst

Synarthroses

How well did you know this?

Not at all

Perfectly

The skeletal system consists of bones, cartilage, tendons and ?

Ligaments

How well did you know this?

Not at all

Perfectly

Bones r relatively light weight compared 2 their ?

Strength

What protects the heart and lungs?

Rib cage

Bones and muscles work 2gether 2 produce ?

Body movement

What mineral is needed 4 vital metabolic processes in the skeletal system?

Calcium

Fat is stored in the?

Yellow bone marrow

If a bone is not being used, the body doesn't store as much calcium in it and the skeleton?

Weakens

In an adult, red marrow is only found in bones of the skull, ribs, sternum, clavicles, vertebrae and?

Pelvis

Blood cell 4mation is called?

Hematopoiesis

Blood cell 4mation takes place mostly in the?

Red bone marrow

The microscopic unit of compact bone is an?

Osteon

What is the balance of processes in the human body called?

Hemostasis

Concentric rings of calcified matrix that surrounds osteonic canals r called?

Lamellae

W/in both compact and spongy bone, osteons r round w/blood vessels in the center surrounded by a?

Hard matrix

There r small channels through the matrix called?

Canaliculi

Spongy (cancellous) bone consists of plates of bone called?

Trabeculae

The thigh (femur), leg (fibula, tibia), and forarm (radius, ulna) r all part of what classification of bone?

Long bones

The bones of the wrist and ankle r part of what classification of bone?

Short bones

The sternum and most of the bones of the crainum r part of what classification of bone?

Flat bones

The vertebrae r part of what classification of bone?

Irregular

The shaft of a long bone is called?

Diaphysis

What type of tissue is found in the medulla cavity?

Adipose

The expanded portion at the end of a long bone is called?

Epiphysis

Bones grow in length at the "growth plate" which is also called?

Epiphyseal plate

Thin connective tissue membrane that lines the medullary cavity is the?

Endosteum

The process of bone 4mation is called?

Osteogenesis

What type of cell division does the epiphyseal plate grows by?

Mitosis

The skull is made up of how many bones

The large opening on the lower surface of the occipital bone where the spinal cord passes through is called?

Foramen magnum

What is the name of the depression that articulates w/the mandible?

Mandibular fossa

Which bone projection helps form the prominence of the check?

Zygomatic process

What is the protuberance behind the ear?

Mastoid process

What bones form the upper jaw?

Maxillary bones

Which bone forms the posterior portion of the hard plate and lateral walls of the nasal cavity?

Palatine bones

Lacrima means?

Tear

What bones help 2 form the nasal septum?

Vomer

What is the name of the U shaped bone in the neck located between the mandible and the larynx?

Hyoid bone

The vertebral column consists of how many vertebrae?

What is found between each pair of vertebrae, that allow the spine 2 bend?

Intervertebral discs

What r the 2 vertebral columns curvatures convex anteriorly?

Cervical and lumbar

What r the 2 vertebral columns curvatures concave anteriorly?

Thoracic and sacral

How many cervical vertebrae r there?

How many thoracic vertebrae r there?

How many lumbar vertebrae r there?

The part of the vertebra can b felt from the back is?

Spinous process

Which part of the vertebrae project laterally from the vertebral arch?

Transverse processes

What part of the vertebra does the spinal cord run?

Vertebral foramen

What forms the posterior wall of the pelvic cavity?

Sacrum

What is the tailbone called?

Coccyx

The sternum is connected 2 the ribs by the?

Costal cartilage

The top part of the sternum that articulates w/the clavicles and the 1st 2 pairs of the ribs is called?

Manubrium

What is the name of the inferior notch of the sternum?

Xiphoid process

Which ribs meet the sternum indirectly by joining w/cartilage of the ribs above?

Vertebrochondral

The shoulder is formed by the articulation of the clavicle, acromian process of the scapula and the top of the?

Humerous

The head of the humorous articulates w/a depression in the scapula called the?

Glenoid cavity

Which fossa is where the ulna fits w/the humerus 2 form the elbow joint?

Olecranon fossa

There r various words 4 protrusions of bones, including the tubercle, process, condyle, epicondyle, and?

Tuberosity

What is the name of the large depression where the 3 bone of the pelvic girdle meet?

Acetabulum

The greater and lesser trochanters r sites 4?

Muscle attachment

Which lower leg bone is on the lateral side of the leg?

Fibula

Which lower leg bone is on the medial side of the leg?

Tibia

Which projection is at the distal end of the tibia and forms the medial bulge of the ankle?

Medial malleolus

Which ankle bone articulates w/the tibia?

Talus

The bones of the toes r called?

Phalanges

The knee cap is also called the?

Patella

Immovable joints like the sutures of the skull r called?

Synarthroses

Slightly moveable joints like the symphysis pubis r called?

Amphiarthroses