2024-10-31T04:50:06+03:00[Europe/Moscow] en true <p>What tissue is this? What are the arrows pointing to (in order)?</p>, <p>What are the components of the extracellular matrix in hyaline cartilage?</p>, <p>What type of tissue is this? Whats the components of its extracellular matrix?</p>, <p>What is this area of this tissue?</p>, <p>What can be found in both spongy and compact bone?</p>, <p>What vertebrae is this? What defining features does it have that the other two groups of vertebrae dont?</p>, <p>What are the three types of vertebrae?</p>, <p>Label the areas! Name the vertebrae</p>, <p>20-30</p>, <p>31-34</p>, <p>38 to 42</p>, <p>43-46</p>, <p>47-51</p>, <p>52-56</p>, <p>57-62</p>, <p>63-68</p>, <p>69 - 72</p>, <p>73 - 76</p>, <p>77 - 82</p>, <p>Label 83 - 87</p>, <p>96 - 100</p>, <p>101 - 104</p>, <p>What is a T-tubule? What does it do?</p>, <p>What proteins make up the thin vs. thick filaments of the model?</p>, <p>If the sarcomere contracted, which areas/bands would get smaller/disappear?</p> flashcards

Lab 3, histology, facial muscles, skull

Histology of bone and cartilage, then also covers facial muscles, the skull, and the cervical vertebrae

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  • What tissue is this? What are the arrows pointing to (in order)?

    What tissue is this? What are the arrows pointing to (in order)?

    - its hyaline cartilage

    Arrows: the Ground substance, chondrocyte, and lacuna

  • What are the components of the extracellular matrix in hyaline cartilage?

    Ground substance: hylaronic acid + chondroitin sulphate + water

    fibres: collagen

  • What type of tissue is this? Whats the components of its extracellular matrix?

    What type of tissue is this? Whats the components of its extracellular matrix?

    - Compact bone

    Ground substance: hydroxyapetite (calcium phosphate salts) + water

    Fibres: collagen

  • What is this area of this tissue?

    What is this area of this tissue?

    The central/osteonic/haversian canal

  • Top is osteocyte in lacuna

    bottom is the canaliculi

  • Lacuna, canaculi, Osteocyte, central/osteonic canal, lamellae

  • 12. Central/osteonic canal

    13. Transverse (perforating) canals

  • 14. central/osteonic/haversian canal

    15. lamellae

    16. spongy bone (trabeculae)

  • What can be found in both spongy and compact bone?

    Osteocytes, lacunae, canaliculi, lamellae

  • What vertebrae is this? What defining features does it have that the other two groups of vertebrae dont?

    What vertebrae is this? What defining features does it have that the other two groups of vertebrae dont?

    Cervical vertebrae

    - Transverse foramina (all), bifurcated (bifid), and spinous processes (C2-C6)

  • What are the three types of vertebrae?

    Cervical, thoracic, and lumbar

  • Label the areas! Name the vertebrae

    Label the areas! Name the vertebrae

    18. spinous process

    19. lamina

    20. pedicle

    21. transverse process

    22. transverse foramen

    23. body

  • 20-30

    20-30

  • 31-34

    31-34

    31. styloid process

    32. external acoustic (auditory) meautus

    33. mastoid process

    34. parietal

  • 38 to 42

    38 to 42

    38. ethmoid (vertical piece behind nose)

    inferior nasal conchae (hooks behind nose)

    vomer (bone at nostril)

    frontal (forehead area)

    nasal (bridge of nose, between eyes)

  • 43-46

    43-46

    43. sphenoid (behind eyes)

    zygomatic (cheek bones)

    maxilla (top jaw)

    mandible (bottom jaw)

  • 47-51

    47-51

    47. optic canal (two canals at top of slope)

    sphenoid (behind eye holes)

    foramen ovale (two hole pairs, more lateral than other pair its beside)

    jugular foramen (small symetrical set of holes by magnum)

    frontal (front piece of skull)

  • 52-56

    52-56

    52. ethmoid (top of it, iternal above nose)

    sella turcica (at top of slope to magnum)

    foramen lacerum (small hole, symetrical pair, smaller of the two sets that are more anterior)

    foramen magnum (big hole in middle)

    occipital (back of skull)

  • 57-62

    57-62

    57. Maxilla (upper jaw bone, that teeth are in, including anterior area in mouth)

    58. zygomatic (cheek bone)

    59. palatine (posterior area of upper bone in mouth)

    60. vomer (bottom of vomer, below nose)

    61. carotid canal

    62. occipital chondyle

  • 63-68

    63-68

    63. foramen magnum (big hole in middle)

    64. foramen ovale (two symetrical holes more lateral and anterior

    65. foramen lacerum (two symetrical holes more medial and anterior)

    66. styloid process (process beneath and more medial than ear hole)

    67. jugular foramen (two symmetrical holes beside magnum)

    68. occipital (back of skull)

  • 69 - 72

    69 - 72

    69. frontal

    70. zygomatic

    71. ethmoid

    72. vomer

  • 73 - 76

    73 - 76

    73. mandible

    74. nasal

    75. inferior nasal conchae

    76. maxilla

  • 77 - 82

    77 - 82

    77. frontal

    78. nasal

    79. zygomatic

    80. maxilla

    81. mandible

    82. parietal (superior posterior of skull)

  • Label 83 - 87

    Label 83 - 87

    83. occipital

    84. temporal (on sides of the skull)

    85. external acoustic (auditory) meatus

    86. styloid process (under the ear)

    87. sphenoid (the bone behind eye, also from other pov of it)

  • 88. coronal suture

    89. shenoidal fontanelle

    90. squamous suture

    91. mastoid fontanelle

  • 92. frontal fontanelle

    93. sagittal suture

    94. occipital fontanelle

    95.lambdoid suture

  • 96 - 100

    96 - 100

    96. Sarcolemma (cell membrane)

    97. myofibril (columns of sarcomere, many make up muscle)

    98. Sarcoplasmic reticulum (SR, criss-cross around myofibrils)

    99. Triad (2 Terminal cisterna of SR & T-tubules)

    100. terminal cisterna of SR (SR that borders T-tubules)

  • 101 - 104

    101 - 104

    101. T-tubules (like plastic that keeps cans together, cans are myofibrils)

    102. mitochondria

    103. sarcomere (makes up myofibril)

    104. nucleus (much bigger than mitochondria)

  • What is a T-tubule? What does it do?

    T-tubules (transverse tubules) wrap around the myofibril colomns consistenly. This ensures the center of muscle cell is in contact with interstitial fluid (contained in the T-tubule and important for skeletal and cardiac muscle physiology)

  • 105. Z-disc (at either end)

    106. Actin (part of thin filament)

    107. Myosin (part of thick filament)

    108. M-line (in middle)

  • 109. troponin (part of thin filament, a protein)

    110. tropomyosin (part of thin filament, a protein)

    111. Z-disc (on either end)

  • 112 & 114. I-band (only think filaments)

    113. H-zone (only thick filaments)

    15. A-zone (thin & thick filaments, including H-zone tho)

  • What proteins make up the thin vs. thick filaments of the model?

    What proteins make up the thin vs. thick filaments of the model?

    Thin filement proteins are actin, troponin, and tropomyosin

    Thick is myosin

  • If the sarcomere contracted, which areas/bands would get smaller/disappear?

    I-band and H-zone, so it'd all have overlapping filaments

  • 116. Temporalis

    117. occipitofrontalis - occipital belly

    118. Buccinator

    119. Masseter

    120. Trapezius

  • 121. Occipitofrontalis - frontal belly

    122. orbicularis oculi

    123. zygomaticus major

    124. orbicularis oris

    125. risorius

    126. sternocleidomastoid

  • 127. orbicularis oculi

    128. orbicularis oris

    129. zygomatic major

  • 130. occipitofrontalis - frontal belly

    131. temporalis (under the fascia)

    132. masseter

    133. sternocleidomastoid

    134. trapezius