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Lab Practical #2

bones, skeletal muscles

QuestionAnswer
Bones of the cranium Frontal bone, Parietal bones, Temporal bones, Occipital Bone, Sphenoid bone, Ethmoid Bone.
Auditory Ossicles Malleus (hammer), Incus (anvil) Stapes (stirrup)
Paranasal Sinuses frontal, maxillary, sphenoid, ethmoid
Fontanelles anterior, posterior, mastoid, sphenoidal
Regions of the Vertebral Column cervical, thoracic, lumbar, sacral, coccyx
Number of cervical vertebrae 7
Number of thoracic vertebrae 12
Number of lumbar vertebrae 5
Number of fused vertebrae in the sacrum 5
Number of fused vertebrae in the coccyx 4
Thoracic cage thoracic vertebrae, sternum and ribs
Number of pairs of ribs 12
Number of pairs of true ribs 7
Number of pairs of false ribs 5
Number of pairs of floating ribs 2
Cartilage that connects ribs to the sternum costal cartilage
What feature do cervical vertebrae have that other vertebrae do not? transverse foramens
Horseshoe shaped bone located inferior to the mandible hyoid bone
These structures compose the nasal septum vomer bone and perpendicular plane
These bones comprise the hard palate palatine process of the maxilla and palatine bone
Sutures of the skull coronal suture, sagittal suture, squamous suture, lambdoid suture
Large hole in the base of the skull where the spinal cord connects to the brain foramen magnum
cranial cavity cavity that houses the brain
Tempomandibular joint mandibular fossa + mandibular condyle
Suture that separates the two parietal halves sagittal suture
Suture that separates the frontal bone from the two parietal bones coronal suture
Suture that separates the temporal bones from the parietal bones squamous suture
Suture that separates the occiptal bone from the parietal bones lambdoid suture
What passes through the mandibular foramen and the mental foramen? Nerves
Socket of bone that contain teeth alveolus
What passes through the lacrimal fossae? tear ducts
Pectoral Girdle clavicle and scapula
Upper Extremity Humerus, Radius, Ulna, Carpus, Metacarpus, Phalanges
Pelvic Girdle Coxal bones, pubic symphysis
Lower Extremity Femur, Patella, Tibia, Fibula, Tarsus, Metatarsus, Phalanges
Sternocleidomastoid, Origin Manubrium of sternum and medial portion of clavicle
Sternocleidomastoid, Insertion Mastoid process of temporal bone
Sternocleidomastoid, Action Flexes and laterally rotates head
Pectoralis Major, Origin Sternal end of clavicle, stermum and first to seventh costal cartilages
Pectoralis Major, Insertion Greater tubercle of humerus
Pectoralis Major, Action flexes arm; adducts arm; roates arm medially
Deltoid, Origin Acromion and spine of scapula; lateral third of clavicle
Deltoid, Insertion Deltoid tuberosity of humerus
Deltoid, Action Abducts arm
Trapezius, Origin Occipital bone; spines of thoracic vertebrae
Trapezius, Insertion Lateral third of clavicle; acromion and spine of scapula
Trapezius, Action Stabilizes, elevates, depresses and retracts (adducts) scapula; extends head
Latissimus Dorsi, Origin Spines of lower six thoracic vertebrae; lumbar vertebrae; lower four ribs; iliac crest
Latissimus Dorsi, Insertion Intertubercular sulcus of humerus
Latissimus Dorsi, Action Extends arm; adducts arm; roates arm medially
Biceps Brachii, Origin Coracoid process of scapula; supraglenoid tubercle of scapula
Biceps Brachii, Insertion Proximal radius
Bicepts Brachii, Action flexes forearm
Triceps Brachii, Origin Infraglenoid tubercle of scapula; posterior shaft of humerus
Triceps Brachii, Insertion Olecranon process of ulna
Triceps Brachii, Action Extends forearm
Gluteus Maximus, Origin Dorsal ilium; sacrum; coccyx
Gluteus Maximus, Insertion Gluteal tuberosity of femur; iliotibial tract
Gluteus Maximus, Action Extends thigh; laterally rotates and abducts thigh
Adductor Muscles, Origin Pubis; ischial tuberosity
Adductor Muscles, Insertion Femur, tibia
Adductor Muscles, Action Adduct Thigh
Quadriceps Femoris, Origin Femur
Quadriceps Femoris, Insertion Quadriceps tendon which inserts into patella and then my way of patellar ligament into tibial tuberosity
Quadriceps Femoris, Action Extend leg, flex thigh
Hamstrings, Origin Ischial tuberosity
Hamstrings, Insertion Tibia, fibula
Hamstrings, Action Flex leg, extend thigh
Sartorius, Origin Anterior superior iliac spine
Sartorius, Insertion Medial surface of proximal tibia
Sartorius, Action Flexes thigh, rotates thigh laterally and allows leg cross, flexes leg
Gastrocnemius, Origin LAteral and medial condyles of femur
Gastrocnemius, Insertion Posterior calcaneus by way of calcaneal ("Achilles") tendon
Gastrocnemius, Action Plantar flexion of foot, flexes leg
Tibialis Anterior, Origin Proximal two-thirds of tibia
Tibialis Anterior, Insertion Tarsal and Metatarsal
Tibialis Anterior, Action Dorsiflexion of foot
Masseter, Action raise the mandible to close the jaw
Temporalis, Action acts with masseter to raise mandible
Lateral Pterygoid, Action moves mandible from side to side, protracts mandible
Medial Pterygoid, Action acts with masseter and temporalis to raise mandible, protracts mandible, moves mandible from side to side
Buccinator, Action Compresses cheek, holds food between teeth for chewing, produces sucking action, participates in smiling and frowning
Created by: pinklrt98 on 2010-10-08



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