Week 4 Worksheet 2022 (1)
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Iowa State University *
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255L
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Mechanical Engineering
Date
Feb 20, 2024
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3
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Week 4 Worksheet
Fill out worksheet on your computer and upload to CANVAS before the due date
**Lab instructors will award points based on a good-faith effort to fill out worksheet. They will NOT be grading for correctness. It is ultimately your responsibility to make sure your answers are correct so that this will be a useful study guide for your weekly test. Therefore, make sure you ask your instructor, undergrad TAs, and your peers for help when you need it.
**
Front Tables
Epiphyseal Plate and Structures of Long Bones
Structures of Long Bone—some numbers are used more than once
Epiphysis_9,2__
Metaphysis_2__
Diaphysis__3_
Articular Cartilage_8__
Spongy bone_10__
Medullary Cavity_4__
Epiphyseal line_9__
Red Bone Marrow_10__
Compact bone_5__
Periosteum__7_
Endosteum_6__
Yellow Bone Marrow_4__
Activity at the epiphyseal plate ceases in adulthood. Why? What is happening to the overall structure of the long bone when the epiphyseal plate is active? The epiphyseal plate is also known as the growth plate. The structure of the long bone grows when the epiphyseal plate is active. The growth declines as people age.
Zones of Epiphyseal Plate—Describe how the cells are arranged and the extracellular environment: type and amount of ground substance, distance between cells
Resting Cartilage- thin, zone 1
Proliferating Cartilage- Zone 2, towards the surface, thin
Hypertrophic Cartilage-
middle thickness, Zone 3
Zone of Calcified Cartilage- holds calcium, zone 4, dense
Middle Tables
Identify the Bony Features of the Skull
Which feature of the neurocranium does the mandible articulate with? Temporal bones
Neck muscles attach to the mastoid Process in order to move the head. Muscles attach to the styloid process to move the tongue and larynx. On what skull bone are the mastoid and styloid processes located? Compare the appearance of the two processes. Temporal
Place a stick through the following two pathways: jugular foramen and optic foramen. The jugular foramen and optic foramen can be accessed via the interior of the skull. What view of the skull do you
need to see the external locations for the jugular foramen? optic foramen? What structures run through
these features? Top view of superior surface
The carotid canal can only be seen from one view – which one? Is the blood in the carotid artery oxygenated or deoxygenated? Is it running to or from the brain? Inferior surface of skull, oxygenated, running to the brain.
Is the cribriform plate viewed internally, or externally? Which bone is it apart of? Internally, part of the ethmoid bone
Skull Identification Practice
- write the name of the bone that is labeled by each number. Be sure to include R/L if appropriate. Some bones have more than one number indicating them.
1
Right maxilla
2
Left Zygomatic bone
3
Left nasal bone
4
Right Sphenoid
5
Left inferior nasal concha
6
Frontal bone
7
Mandible 8
Right lacrimal bone
9
Right temporal bone
10
Right parietal bone
11
Occipital bone
12
Right Frontal bone
13
Sella turcica of spenoid
14
Left temporal bone
15
Left posterior cranial fossa
16
Ethmoid bone
17
Maxillary bone
18
Palatine bone
19
Vomer bone
20
Occipital bone
21
Left Jugular foreman
22
Right spenoid
23
Right parietal
24
vomer
Back Tables
Vertebra
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