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Anatomy & Physiology: Skeletal System Flashcards

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이 집합의 용어 (36)

  • long bones

    Femur, Humerus , Radius (thumb-side forearm). ulna, Metacarpals, Phalanges, Tibia, Fibula. clavicles, metatarsals,

  • short bones

    Carpals (wrist) and Tarsals (ankle).

  • flat bones

    Frontal (forehead), Ribs (rib cage), and Scapula (shoulder blade), . hyoid, pelvis, Parietal

  • irregular bones

    sacrum, sternum, zygomatic, vertebrae, mandible.

  • sesamoid bone

    Patella (kneecap).

  • How many cervical vertebrae are there and what is their characteristic?

    7 vertebrae; they are the smallest vertebrae located in the neck.

  • What is the function of the atlas (C1) vertebra?

    Supports the head and allows nodding YES motion.

  • What unique feature does the axis (C2) vertebra have and its function?

    Has the dens which allows shaking the head NO.

  • Describe the thoracic vertebrae.

    12 vertebrae attached to ribs; medium-sized; located in the middle back.

  • What are the characteristics of lumbar vertebrae?

    5 vertebrae; largest size; located in the lower back.

  • What is the sacrum and its composition?

    Base of spine; 5 fused irregular bones attached to hip bones.

  • What is the coccyx?

    Tailbone; usually 4 fused irregular bones at the spine's end.

  • What bones make up the thoracic cage?

    Ribs, Sternum, and Thoracic vertebrae protect the heart and lungs.

  • Name the three parts of the sternum.

    1. Manubrium (top, attaches clavicles), 2. Body (middle, attaches costal cartilage), 3. Xiphoid process (bottom).

  • How many ribs are there and how are they classified?

    24 ribs (12 pairs): True (1–7, direct sternum attachment), False (8–12, no direct attachment), Vertebrochondral (8–10, indirect attachment), Floating (11–12, no sternum attachment).

  • What bones form the pectoral girdle?

    Clavicles and Scapulae; attach arms to axial skeleton; high mobility, low stability.

  • Describe the clavicle bone.

    Long, S-shaped collarbone; commonly broken; connects sternum to scapula.

  • What is the scapula and its features?

    Flat shoulder blade; connects with humerus and clavicle; many muscle attachments; not attached to vertebral column.

  • What bones make up the pelvic girdle?

    Hip bones (coxal bones) and sacrum; attach legs to axial skeleton; protect pelvic organs; high stability, low mobility.

  • three parts of the hip bone.

    1. Ilium (upper, flared), 2. Pubis (front, joined at pubic symphysis), 3. Ischium (sitting bone).

  • What is the acetabulum?

    Socket on the hip bone where the femur connects.

  • How many bones are in the adult skull and how are they divided?

    22 bones total: 8 cranial bones and 14 facial bones.

  • Which skull bone is movable?

    The mandible (lower jaw) is the only movable skull bone.

  • What are sutures in the skull?

    Immovable joints between skull bones.

  • cranial bones and characteristics.

    Frontal (forehead), Parietal (top/sides), Occipital (back), Temporal (sides/bottom), Sphenoid (butterfly-shaped, keystone), Ethmoid (nasal cavity).

  • facial bones.

    Maxilla (upper jaw), Mandible (lower jaw), Zygomatic (cheekbone), Nasal, Lacrimal (tear duct), Vomer (nasal septum).

  • bones in the body

    206

  • thoracic vertebrae

    12 pairs, of ribs, 24 total.

  • lumbar

    5, largest vertebrae

  • cervical vertebrae

    7 in neck

  • sacrum

    to hips, 5 bones, 1 bone by age 30

  • coccyx

    tailbone , 4 bones, 1 bone at 30

  • how many curves in the vertebrae

    4

  • how many in the vertebrae

    26

  • Sternum bones, top to bottom

    Manubrium, Body, Xiphoid

  • hip bones

    sacrum (the big part), liium, ( look like ears), pubis, (the bridge part), lschium, (the end part) acetabulum, (holes)