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Anatomy_Lab_Prac1
Anatomy Study Cards for the first lab practical
| Question | Answer |
|---|---|
| Ratatores | Deepest, spans 1 to 2 vertebrae; Best developed in thoracic region |
| Multifidus | Second Deepest, spans 2 to 4 vertebrae; present along entire spine |
| Semispinalis | Second Deepest, spans 4 to 6 vertebrae; consists of thoracic , cervicis, and capitis |
| Spinalis | Intermediate Layer, spans 7 to 8 vertebrae; consists of tharcis, cervicis, and capitis segments |
| Longissimus | Intermediate Layer, present along entire spine; consists of thoracis, cervicis, and capitis segments |
| Iliocostalis | Intermediate Layer, Consists of lumborum, thoracic and cervicis segments |
| Splenius cervicis | Upper thoracic vertebrae to the cervical vertebrae, Located on posterior side of neck |
| Splenius capitus | Spinuous processes of lower cervical vertebrae to the mastoid process and superior nuchal line |
| Serratus Posterior superior | First Few ribs to the spinous processes of lower cervical upper thoracic vertebrae |
| Serratus Posterior inferior | Spinous process of lumbar vertebrae to the bottom few ribs (expiration) |
| Levatator Scapulae | Superior angle of the scapula to Transverse processes of C1 to C4 |
| Rhomboid Major and Minor | Medial border of the scapula to the spinous processes of lower cervical and upper thoracic vertebrae |
| Trapezius | Spine of the scapula, distal end of the clavicle to spinous processes of all thoracic and cervical vertebrae and superior nuchal line |
| Platysma | No bony inferior attachment to the inferior border of the mandible |
| Sternohyoid | strap muscle, wide, sternum to hyoid |
| sternothyroid | lies between sternohyoid and cartilage. Sternum to thyroid |
| Thyrohyoid | lies between sternohyoid and cartilage. thyroid to hyoid |
| Omohyoid | strap muscle, notably diagonal. |
| Diagastric | mandible to hyoid, and then loops backward toward the styloid process |
| Mylohyoid | Deep to diagastric, goes from mandible to hyoid, perpindicular to anterior belly of diagastric |
| Sternocleidomastoid | Fairly thick muscle, mastoid process to the proximal end of the clavicle and manubrium *seperates internal and external jugular veins |
| Epicranius | Superciliary arch of frontal bone to the superior nuchal line, has 2 bellies |
| Orbicularis Oculi | Circular muscle surrounding the eye |
| Orbicularis Oris | Circular muscle surrounding the mouth |
| Temporalis | temporal bone to the coronoid process of the mandible |
| masseter | zygomatic bone to the angle of the mandible |
| Buccinator | located in the wall of the cheek |
| Accessory Hemiazygos V. | Drains superior half of the L. posterior Intercostal veins into azygos v. |
| Hemiazygos V. | Drains Inferior half of the L. posterior Intercostal veins and L. Lumbar veins into azygos v. |
| Azygos V. | Drains R. Posterior Intercostal Veins and R. Lumbar Veins into the Superior Vena Cava |
| Right Ascending Lumbar V. | drains R. Lumbar veins into the Azygos Vein. |
| Left Ascending Lumbar V. | Drains L. Lumbar veins into the Hemiazygos Vein. |
| Olfactory Nerve | CN 1, courses on the inferior side of the frontal lobes and parallel to the cribriform plate |
| Optic Nerve | CN 2, Very inferior side of the brain, where the nerves appear to switch sides |
| Oculomotor Nerve | CN 3, Near to carotid arteries, just anterior. |
| Trochlear Nerve | CN 4, threadlike and medial more-so than others |
| Trigeminal Nerve | CN 5, nearest to the back, seperated from CN 3 by pituitary stalk |
| Parotid Gland/ parotid duct | between masseter and the ear. penetrates the buchinator muscle of the cheek. |
| Submanidular Gland | Under the mandible, under platysma. Kidney bean shaped. Duct is deep to gland |
| Sublingual gland | we will not be able to identify the glad nor the duct |
| hyoid bone | called the floating bone because it has no direct bony attachment; located superior to the thyroid cartilage |
| lanryngeal prominence | easily palpable prominence on the thyroid cartilage |
| Crichoid cartilage | located inferior to the thyroid cartilage; landmarks the beginning of the Trachea |
| Manubrium | Topmost part of the sternum, attachment for the first rib |
| sternum | the bone that all ribs except floating ribs attach to |
| Xiphoid Process | the prominence on the sternum |
| true ribs | ribs 1-7, with direct connection to the sternum |
| false ribs | 8-12, with no direct connection to the sternum |
| floating ribs | 11-12, with no anterior connection at all |
| Serratus Anterior | Medial border of the scapula to the first 8 ribs at the anterior axillary line |
| External intercostals | outermost layer of muscle between the ribs; fibers run medially \\\ from superior to inferior; muscle does not cover the costal cartilages (exists as a transparent membrane only) |
| Internal intercostals | middle layer between the ribs; fibers run laterally /// from superior to inferior; seperated from the innermost intercostals by the intercostal vasculature |
| innermost intercostals | innermost layer of muscle between ribs; fibers run laterally /// from superior to inferior; separated from the internal intercostals by the intercostal vasculature |
| Transversus thoracis | Christmas Tree shaped muscle on the inside of the rib cage |
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