Tutorial 1 - Bone Markings (Student\'s version) PDF

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Tutorial 1 - Bone Markings (Student's version) for tutorial...

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Skeletal System (Introduction) Activity 1A – Bone Markings Marking Articulations

Description An area where two bones are attached for the purpose of motion of body parts. A rounded, prominent extension of bone that forms part of a joint. It is separated from the shaft of the bone by the neck. The head is usually covered in hyaline cartilage inside of a synovial capsule, as it is the main articulating surface with the adjacent bone, together forming a "balland-socket" joint.

Examples Joints - ball and socket joint, hinge joint, condyloid joint

Bone expansion carried on a narrow neck

Part of joint formation

Facet

A small smooth area on a bone or other firm structure, usually an articular surface covered in life with articular cartilage

The bone area that house the disc in the spine

Condyle

Refers to a large prominence which often provides structural support to the overlying hyaline cartilage. It bares the brunt of the force exerted from the joint.

The bottom part of the long bone (Only femur, it seems absent from humerus)

Head

Process

Rounded articular projection; often articulates with a corresponding fossa. Any bony prominence

Tubercle

Small rounded projection or process

Tuberosity

Large rounded projection, maybe roughened

Crest

Narrow ridge of bone, usually prominent

Fossa

Hollow indent area; shallow, basinlike depression in a bone,

Top part of any long bone

Side of the skull, under the eye socket (lateral) On the side, of a humerus

Mid part (Thick) of the humerus, usually known as the deltoid humerus Top of the hip bone

Back of the skull, the pelvis bone

often serving as an articular surface with a condyle Foramen

Round or oval opening through a bone

Eye socket

Sinus

Cavity within a bone, filled with air and lined with mucous membrane

Around the nose area, above and to the side

Activity 1B – Bone Features Identify the markings in the above table on the skeletons below. An example has been given to you. Self note 2 Projections that are sites of muscle and ligament attachments. Surfaces that help to form joints – Head, Facet, Condyle Head

Tubercle

Depressions and openings – For passage of blood vessels Sinus

Process Tuberosity

Foramen

Condyle Note, most likely the one on the left is a femur bone, the one on the right is a humerus bone

Crest

Facet (The flat part)

Fossa...