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curriculum
curriculum

... What are we referring to exactly by the term “shoulder”? The contour of the shoulder is given by the deltoid muscle. When you tap on someoneʼs shoulder, you are actually tapping on the acromion of the scapula. The shoulder joint is the glenohumeral joint, a synovial, ball and socket, multi-axial joi ...
[G. 32.26A] The parotid duct passes lateral (superficial) and anterior
[G. 32.26A] The parotid duct passes lateral (superficial) and anterior

... The subclavian artery passes directly posterior to the anterior scalene muscle. The phrenic nerve passes directly anterior to the anterior scalene muscle. The suprascapular artery typically passes directly anterior to the anterior scalene muscle. The transverse cervical artery typically passes direc ...
253 INNERVATION OF THE PRONATOR QUADRATUS MUSCLE
253 INNERVATION OF THE PRONATOR QUADRATUS MUSCLE

... study the innervation of the pronator quadratus, eighteen forearms from a formol fixed corpses were dissected. We examined the relationship between the anterior interosseous nerve and the pronator quadratus. The wrist articular line was used as reference point. The branch which had the most proximal ...
Anatomic basis of perforator flaps of medial vastus muscle
Anatomic basis of perforator flaps of medial vastus muscle

Femoral nerve
Femoral nerve

Lecture One
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... the pelvis, or in flexion the spine, depending upon its relation to the axes of motion. This muscle is important in ralation to movements such as climbing, walking with crutches, or hoisting the body up on parallel bars, in which the muscles act to lift the body toward the fixed arms. The strength o ...
Surgical anatomy and histology of the levator palpebrae superioris
Surgical anatomy and histology of the levator palpebrae superioris

... Micromorphologic investigations of the orbital tissue were performed on 8 en bloc excised and formalin-fixed orbits of infant cadavers with no pathologic changes in the orbital region and eyelids. An intra-arterial injection of 5% mixture of melt formalin and black ink was administered in the caroti ...
T HE spinal cord extends the whole length of the vertebral canal and
T HE spinal cord extends the whole length of the vertebral canal and

... the cerebral hemispheres, VH, whose combined transverse diameter is greater than their longitudinal. The tapering, cephalic end of each hemisphere forms an olfactory tract, I, which extends cephalad to form the olfactory bulb, B. ol. Lying between the caudal ends of the hemispheres is a small conica ...
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Membranes of the Larynx: Extrinsic membranes connect the

... lamina of the cricoid cartilage and the arytenoid cartilages. They are synovial joints. The movement at the joint is described as a rocking-gliding motion. The net result of the complex movement is that the vocal processes of the arytenoid cartilages swing downward and inward, or upward and outward. ...
Passive mechanics of canine internal abdominal muscles
Passive mechanics of canine internal abdominal muscles

... mechanical properties of this muscle are therefore critical to the understanding of abdominal muscle function. In vivo, abdominal muscles experience biaxial loading that causes mechanical stress not only in the longitudinal direction of the muscle fibers (AF) but also transverse to the fibers (TF). ...
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14-submandibular region I

... mandible 2. Posterior belly: from mastoid notch • Insertion: both bellies unite in an intermediate tendon held by a fibrous loop into the hyoid bone • Nerve supply: 1. Anterior belly: nerve to myelohyoid 2. Posterior belly: facial nerve ...
review questions
review questions

... lies in the median plane of the perineum. consists of two symmetrical parts that are united by a median tendinous raphe. arises in part from the conjoint tendon. functions during micturition and erection. is supplied by the perineal nerve. ...
lab guide - yedi̇tepe anatomy lab
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... 27) The primary muscle that moves a joint is called the _______. a) agonist b) synergist c) promover d) antimover e) none of the above 28) The pectoralis major muscle is an example of a ____ muscle. a) strap b) multipennate c) unipennate d) convergent e) two of the above 29) GSE neurons would carry ...
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... Figure 1.  Dissection of the right upper limb showing abnormal course of the median nerve and brachial artery. Color version of figure is available online. (MN: median nerve; BR: brachialis fibres covering the median nerve and brachial artery; BA: brachial artery; BB: biceps brachii; BRL: brachiorad ...
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... Origin: by two heads, from the front of symphysis pubis and pubic crest. Insertion: into 5th, 6th & 7th costal cartilages and xiphoid process. When it contracts, its lateral margin forms a curved ridge (linea semilunaris) that extends from tip of 9th costal cartilage to pubic tubercle. It is divided ...
Psoas Major www.AssignmentPoint.com The psoas major, the
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... respiration, has ligaments that wrap around the top of the psoas and two long attachments, called crura, that come down to insert on the first three vertebrae of the lower spine. This means that every breath resonates in some way with the psoas and the movement of the psoas can have great influence ...
Biomechanics Functional Anatomy Human Female Genitalia
Biomechanics Functional Anatomy Human Female Genitalia

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ANATOMY Part 1 The female pelvis

... It gives the baby more room. It can relieve back pain and sciatica. It may help a baby’s journey through the birth canal as a released psoas encourages the hip bones to open and can aid the downward flow of energy. It may promote spontaneous labour, helping to prevent the need for induction of an “o ...
Scapular and Deltoid Regions Bony Landmarks
Scapular and Deltoid Regions Bony Landmarks

... Innervation: Axillary Nerve (SURGICAL NECK FRACTURE) Arterial Supply: Deltoid Branch of Thoracoacromial Artery Heads: Anterior and Posterior (not ...
The Muscular System
The Muscular System

... Myofibrils are cylindrical in shape and run the length of the muscle fiber. The striations of skeletal muscle fibers are formed by the placement of myofilaments within units of myofibrils called sarcomeres. A sarcomere extends between two dark lines called the Z lines. A sarcomere contains two types ...
Head_and_Neck_Review_Cranial_Nerves_2011Final
Head_and_Neck_Review_Cranial_Nerves_2011Final

Anatomy of Pelvic floor support
Anatomy of Pelvic floor support

Clavicle - Deranged Physiology
Clavicle - Deranged Physiology

... This document was created by Alex Yartsev (dr.alex.yartsev@gmail.com); if I have used your data or images and forgot to reference you, please email me. ...
FEMORAL SHEATH
FEMORAL SHEATH

... narrow, fascial tunnel in the thigh It is located deep to middle third of the sartorius muscle Provides an intermuscular passage through which the femoral vessels pass to reach the popliteal fossa, where they become popliteal vessels. It begins about 15 cm inferior to the inguinal ligament, where th ...
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Skeletal muscle



Skeletal muscle is a form of striated muscle tissue which is under the voluntary control of the somatic nervous system. It is one of three major muscle types, the others being cardiac muscle and smooth muscle. Most skeletal muscles are attached to bones by bundles of collagen fibers known as tendons.Skeletal muscle is made up of individual muscle cells or myocytes, known as muscle fibers. They are formed from the fusion of developmental myoblasts (a type of embryonic progenitor cell that gives rise to a muscle cell) in a process known as myogenesis. Muscle fibres are cylindrical, and multinucleated.Muscle fibers are in turn composed of myofibrils. The myofibrils are composed of actin and myosin filaments, repeated in units called sarcomeres, the basic functional units of the muscle fiber. The sarcomere is responsible for the striated appearance of skeletal muscle, and forms the basic machinery necessary for muscle contraction. The term muscle refers to multiple bundles of muscle fibers called fascicles. All muscles also contain connective tissue arranged in layers of fasciae. Each muscle is enclosed in a layer of fascia; each fascicle is enclosed by a layer of fascia and each individual muscle fiber is also enclosed in a layer of fascia.
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