101 terms

Lab 6

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Typical Long Bone Components
Diaphysis (body, shaft)
Proximal epiphysis
Distal epiphysis
Medullary cavity
Nutrient foramen
Articular cartilage
Periosteum
Red bone marrow
Yellow bone marrow
Epiphyseal line/plate
Diaphysis (Typical Long Bone)
Shaft, forms the long axis of the bone
Proximal Epiphysis
Distributes press across the joints to assist in easier mobility
Distal Epiphysis
Provides attachment for muscles and stability to joints
Medullary Cavity
Tubelike, hollow space in diaphysis
Filled with yellow marrow in adult (red in child)
Nutrient Foramen
Holes that allow blood vessels to pass through and supplies the diaphysis through the nutrient artery
Articular Cartilage
Hyaline cartilage at the end of the bone
Periosteum
Covers bone, attaches tendons firmly to bone, important in growth, bone cell survival
Red Bone Marrow
Produces red blood cells, also called myeloid tissue described as hemopoietic
Yellow Bone Marrow
Replaces red bone marrow
Is fat
Epiphyseal Line and Plate
Allows bone to grow in length
Humerus Components
Head; Neck; Greater tubercle; Lesser tubercle; Intertubercle sulcus; Diaphysis; Deltoid tuberosity; Medial epicondyle; Lateral epicondyle; Coronoid fossa; Olecranon fossa; Capitulum; Trochlea
Humerus
Articulates with the scapula at the shoulder and with the radius and ulna (forearm bones) at the elbow
Head (Humerus)
Articulates with the glenoid cavity (fossa) of the scapula
Neck
Narrowed groove immediately dial to head of the humerus and proximal to the greater and lesser tubercles
Greater Tubercle
Attachment site for rotator cuff muscles
Lesser Tubercle
Attachment site for tendons of subscapularis muscle
Intertubercular Sulcus
The rotator cuff muscles, inter tubercular sulcus guides a tendon of the biceps muscles of the arm to its attachment point at the rim of the glenoid cavity
Deltoid Tuberosity
Attachment site for deltoid muscle
Medial Epicondyle (Humerus)
Attachment side for ulnar collateral ligament and common flexor tendon
Lateral Epicondyle (Humerus)
Attachment site for medial and lateral epicondyles (muscle attachment sites)
Coronoid Fossa
Space above the trochlea, allow corresponding processes of the ulna to move freely when the elbow is flexed and extended
Olecranon Fossa
Space at posterior side of elbow
Capitulum
Articulates with ulna and radius
Trochlea
Articulates with ulna and radius
Radius Components
Head
Diaphysis
Radial tuberosity
Ulnar notch
Styloid process
Radius
Articulates with capitulum of humerus
Head (Radius)
Articulates with capitulum of humerus
Radial Tuberosity
Attachment site for bicep muscles
Ulnar Notch
Articulates with distal end of ulna
Styloid Process
Attachment site for brachioradialis
Ulna Components
Olecranon process
Coronoid process
Trochlear notch
Radial notch
Diaphysis
Head
Styloid process
Ulna
Articulates with:
Head of ulna - Ulnar notch of radius
Distal end - Medial, concave ulnar notch
Olecranon Process
Attachment site for triceps muscle
Forms prominent point of elbow
Coronoid Process
Attachment site for brachialis muscle
Trochlear Notch
Articulates with trochlea of the humerus
Head (Ulna)
Ulnar notch of radius pivots around it during pronation and supination
Styloid Process
Attachment site for wrist ligaments
Carpals Components
Scaphoid
Lunate
Triquetrum
Pisiform
Trapezium
Trapezoid
Capitate
Hamate
Carpals
Forms wrist joint
Scaphoid
Articulates with:
Proximal pole: Scaphoid facet of radius
Distal pole: Trapezium and trapezoid
Lunate
Articulates with scaphoid, capitate, triquetrum, hamate, and radius
Triquetrum
Articulates with lunate, pisiform, and hamate
Pisiform
Articulates with triquetral bone
Trapezium
Articulates with first metacarpal, trapezoid, and scaphoid
Trapezoid
Articulates with scaphoid, second metacarpal, trapezium, and capitate
Capitate
Articulates with third metacarpal, hamate, trapezoid, scaphoid, lunate
Hamate
Articulates with lunate, capitate, triquetrum, 4th and 5th metacarpal
Metacarpals I-V Components
Base
Diaphysis
Head
Metacarpals I-V
Forms metacarpus or palm of the hand
Base
Articulates with carpals proximally and each other medially and laterally
Head
Articulates with proximal phalanges of the fingers
Digits I-V Components
Proximal phalanx
Middle phalanx
Distal phalanx
Digits I-V (Fingers)
Forms fingers I-V
Proximal Phalanx (Fingers)
Articulates with metacarpals and distal phalanx
Middle Phalanx (Fingers)
Articulates with proximal and distal phalanx
Distal Phalanx (Fingers)
Articulates with middle phalanx and proximal phalanx
Femur Components
Head
Neck
Greater trochanter
Lesser trochanter
Medial epicondyle
Lateral epicondyle
Intercondylar fossa
Patellar surface
Medial condyle
Lateral condyle
Femur
Articulates proximally with the hip bone and then courses medially as it descends toward the knee
Head (Femur)
Articulates with pelvis
Neck (Femur)
Attachment site for lateral side of pelvis
Greater Trochanter
Attachment site for thigh and buttock muscles
Lesser Trochanter
Attachment site for thigh and buttock muscles
Medial Epicondyle (Femur)
Attachment site for flexor muscles
Lateral Epicondyle (Femur)
Attachment site for extensor muscles
Intercondylar Fossa
Attachment site for patella and femur
Patellar Surface
Articulates with patella
Medial Condyle
Articulates with tibia and leg
Lateral Condyle
Articulates with tibia and leg
Patella Components
Base
Apex
Articular Facets
Patella
Common Name: small pan
Base
Attachment site for quadriceps tendon
Apex
Attachment site for tibial tuberosity by the patella ligament
Articular Facets
Articulates with the lateral and medial condyles of the femur
Medial Condyle
Articulates with corresponding condyles of femur
Lateral Condyle
Articulates with corresponding condyles of femur
Intercondylar Eminence
Attachment site for anterior cruciate ligament
Tibial Tuberosity
Attachment site for patellar ligament
Medial Malleolus
Articulates with medial bulge of ankle
Fibular Notch
Articulates with inferior tibiofibular joint
Fibula Components
Head
Lateral Malleolus
Groove for fibularis longus
Fibula
Articulates proximally and dismally with lateral aspects of tibia
Head (Fibula)
Articulates with tibia
Lateral Malleolus
Articulates with talus
Tarsals Components
Calcaneus
Talus
Cuboid
Navicular
First cuneiform
Second cuneiform
Third cuneiform
Tarsals
Forms posterior half of foot
Calcaneus
Attachment site for achilles tendon
Talus
Articulates with tibia and fibula superiorly
Cuboid
Articulates with metatarsal bones anteriorly
Navicular
Articulates with talus, cuneiform bones, and cuboid bone
First cuneiform
Medial
Articulates with navicular, metatarsals, and 2nd cuneiform
Second cuneiform
Intermediate
Articulates with navicular, metatarsals, and 1st and 3rd cuneiform
Third cuneiform
Lateral
Articulates with navicular, metatarsals, cuboid, and 2nd cuneiform
Metatarsals I-V Components
Base
Diaphysis
Head
Metatarsals I-V
Forms longitudinal arches along the inner and outer sides of the foot and a transverse arch at the ball of the foot
Base (Metatarsals I-V)
Articulates with cuboid
Head (Metatarsals I-V)
Articulates with proximal phalanges
Digits I-V (Toes)
Forms the toes
Proximal Phalanx (Toes)
Articulates with metatarsals and middle phalanx
Middle Phalanx (Toes)
Articulates with proximal phalanx and distal phalanx
Distal Phalanx (Toes)
Articulates with middle phalanx