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Anatomical Structures

Anatomical Structures. Acromioclavicular joint – joint formed by the distal clavicle and the acromion process of the scapula Anatomical snuff box – the space at the base of the thumb created by the extensor pollicis longus and brevis

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Anatomical Structures

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  1. Anatomical Structures

  2. Acromioclavicular joint – joint formed by the distal clavicle and the acromion process of the scapula • Anatomical snuff box – the space at the base of the thumb created by the extensor pollicislongus and brevis • Anterior cruciate ligament – a ligament crossing through the knee joint that attaches from the anterior tibia to the posterior femur. It limits anterior movement of the tibia from the femur as well as rotation of the tibia

  3. Articular surfaces – the ends of bones which move on each other. These surfaces are covered with a thin layer of cartilage (hyaline cartilage) to ensure smooth movement • Appendicular skeleton – consists of the bones of the shoulder and the upper extremities, and the hips and the lower extremities. These bones form the appendages and attach to the axial skeleton

  4. Articulation – a joint between bones, the manner of connecting by a joint • Axial skeleton – composed of the bones of the skull, the thorax, and the vertebral column. These bones form the axis of the body • Axilla – arm pit • Biceps – muscle on front of upper arm • Bone – a supportive rigid connective tissue consisting of an abundant calcified matrix enclosing many branched cells

  5. Bursa – a fluid filled sac or saclike cavity that allows a muscle or tendon to slide over bone (thereby eliminating friction) • Calcaneous – heel bone • Cartilage – a connective tissue characterized by its nonvascularity and firm consistency • Cervical – of the neck, especially the seven vertebrae in the neck • Chondral – pertaining to cartilage

  6. Coccyx – the 4 rudimentary bones at lowest end of the backbone; the vestigial human tail • Costochondral – rib and its cartilage • Cranial – of or pertaining to the skull or superior part of the body, opposed to caudal • Cruciate – cross shaped • Cubitalfossa– triangular area on the anterior aspect of the forearm directly opposite the elbow joint (the bend of the elbow)

  7. Cutaneous – skin • Dermatome – segmental skin area innervated by various spinal cord segments • Dermal – pertaining to the dermis; cutaneous • Diarthrodial joint – a ball and socket joint • Digit – finger/toe • Epiphysis – growth plate

  8. Fascia – fibrous membrane that covers, supports, and separates muscles • Hamstrings – a muscle group in the posterior thigh consisting of the semitendinosus, semimembranosus, and biceps femoris • Hypothenar eminence – intrinsic muscles of the thumb • Iliac crest – the superior border of the iliac bone; a contusion to this area is called a hip pointer

  9. Joint capsule, articular capsule, synovial capsule – a saclike, fibrous membrane that surrounds a joint; often including or interwoven with ligaments • Ligament – a band of flexible, tough, dense white fibrous connective tissue connecting the articular ends of the bones and sometimes enveloping them in a capsule • Longitudinal arch – from heel to toes on the under surface of the foot

  10. Lumbar – vertebral column extending from the twentieth through the twenty-fourth vertebrae; low back • Malleolus – a rounded bony protuberance on each side of the ankle joint • Menisci – curved fibrocarilages used to deepen the articular facets of the knee • Meniscus – in anatomy a crescent shaped structure serving to adapt the articular surfaces to one another

  11. Muscle – a tissue composed of contractile fibers or cells. A contractile organ composed of muscle tissue, affecting the movements of the organs and parts of the body • Nerve – a bundle of nerve fibers, usually outside the brain or spinal cord • Phalanges – bones of the fingers or toes • Plantar fascia – tough bands of tissue on the sole of the foot

  12. Popliteal space – area behind the knee joint • Quadriceps – the muscle group in the anterior thigh consisting of the rectus femoris, vastusmedialis, vastusintermedius, and vastuslateralis • Rotator cuff – the muscle group in the shoulder consisting of the subscapularis, supraspinatus, infraspinatus, and teres minor

  13. Sesamoid bone – a small bone implanted in a tendon • Tendon – a band of dense fibrous tissue forming the termination of a muscle and attaching to a bone • Thoracic – portion of vertebral column extending from the eighth through the nineteenth vertebrae; mid/upper back • Thenar eminence – intricinsic muscles of the thumb that include the abductor policisbrevis, flexor pollicisbrevis, opponenspollicis, and adductor pollicis

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