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Practice Exam for Anatomy Exam 2 Extrinsic muscles are
Practice Exam for Anatomy Exam 2 Extrinsic muscles are

... e. Superior angle of scapula 11. This muscle is closely related the muscle in question number 10. It is located inferior to the muscle described in number 10 and its origin is the spinous processes of T2-T5. They share the same insertion point and action. What is this muscle and what is it innervate ...
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 ...
A Study of the Accessory Muscles in the Flexor Compartment of the
A Study of the Accessory Muscles in the Flexor Compartment of the

FACTS
FACTS

Forelimb or thoracic limb (membra thoracica)
Forelimb or thoracic limb (membra thoracica)

... The region of the shoulder joint is laterally visible and palpable. The brachial plexus is located on the medial surface of the shoulder joint region, in the distal third of the scapula. The plexus is located in the deeper layers of this region and can be accessed medially (Fig. 19-46). Musculature ...
spinal conditions in athletes - South Australian Sports Medicine
spinal conditions in athletes - South Australian Sports Medicine

... Increase in size from cervical to lumbar ...
Nematode - Cloudfront.net
Nematode - Cloudfront.net

... Nematode digestive system, pumping against the pressure  Nematodes have a complete (but simple) digestive system with a mouth at the very tip of the animal.  The intestine is nonmuscular, and consists of a single layer tall columnar cells which carry microvilli and an underlying basal lamina  Fo ...
21 Hip Disarticulation
21 Hip Disarticulation

... to pass a finger around the iliopsoas muscle in a mediolateral blunt dissection. If an attempt is made to pass the finger beneath the muscle from lateral to medial, the very intimate attachments between the iliopsoas muscle and the rectus femoris muscle prevent this from being easily done. By sharp ...
Lower extremity-I
Lower extremity-I

... iliohypogastric nerves and by cutaneous branches of lumbar dorsal rami (nerves of clunes superior, middle, inferior). Below it is supplied by branches of the posterior cutaneous nerve of the thigh. Beneath the skin there lies subcutaneous tissue. This layer is thick, especially in women, and is impr ...
Ca Ba V - VCOMcc
Ca Ba V - VCOMcc

... Development of Ribs: formed by EO o ...
TSM33 - Neck and Pharynx
TSM33 - Neck and Pharynx

... o The internal carotid artery gives off no branches in the neck and ascends to the skull The external carotid artery gives off numerous branches as it ascends the neck: o Superior thyroid – descends from the bifurcation to supply the superior thyroid o Ascending pharyngeal – small posterior branch s ...
The Region of the Elbow - Jefferson Digital Commons
The Region of the Elbow - Jefferson Digital Commons

... of the hu merus when the forear m is flexed. The base of the coronoid process is thi ck and directly continuous with the shaft of th e ulna. There is no epiphys is for thi s process, and its fracture is hardly possible. The brachialis anticus muscle is attached to the base of the process and contigu ...
Practice Lecture Exam
Practice Lecture Exam

... ligament and enters the thigh. It would not be severed in a horizontal c-section incision. b. YES. The OB has cut the iliohypogastric n. (L1) that pierces the transversus abdominis muscle and internal oblique muscle. The nerve is responsible for cutaneous sensation of pubic region c. NO. At the leve ...
Femoral nerve
Femoral nerve

Biceps Muscles, Functions and Exercises:
Biceps Muscles, Functions and Exercises:

... The Biceps runs down the anterior or front side of the humerus and makes up approximately 1/3 of the muscle mass of the upper arm. The Biceps are among the most famous muscles in the body. When somebody asks you to "make a muscle", they aren't asking you to flex your hamstrings. They want to see you ...
Upper Extremity
Upper Extremity

...  Lesser Tubercule – insert of muscles from the scapula (medial)  Medial and lateral epicondyles are the pointy parts of your elbow ...
Practice Mink Practical
Practice Mink Practical

Scalp - M5zn
Scalp - M5zn

17-Scalene & prevertebral m
17-Scalene & prevertebral m

Skull and Face - Faculty of Science, Mahidol University
Skull and Face - Faculty of Science, Mahidol University

Variable space distribution of the structures forming the muscle and
Variable space distribution of the structures forming the muscle and

... very adherent and impossible to be dissociated from one another. The authors called this place the fascial "node". Medially, this fascia inserted on the lumbar transverse processes, and cranially on the XIIth rib. Its lower edge doesn’t get to the iliac crest (as classically described), being unable ...
Accessory Head of Flexor Pollicis Longus Muscle and its
Accessory Head of Flexor Pollicis Longus Muscle and its

... more likely to occur bilaterally then unilaterally, similar to the findings of Jones & Abrahams, 1997 and Hemaddy et al.. Moreover, the prevalence of 62.1% (149/240) is close to that of Hemaddy et al. and Oh et al., 2000, but differs from that of Mangini; Dellon & Mackinnon, ; Al-Qattan,1996; Jones ...
Axial Muscles of the Head, Neck, and Back
Axial Muscles of the Head, Neck, and Back

... iliocostalis thoracis, associated with the thoracic region; and the iliocostalis lumborum, associated with the lumbar region. The three muscles of the longissimus group are the longissimus capitis, associated with the head region; the longissimus cervicis, associated with the cervical region; and th ...
Smooth muscle in the human mitral valve: extent
Smooth muscle in the human mitral valve: extent

... The descriptions of muscle bundles within the leaflets of the MV and the relation to muscle tissue in the left atrial wall are inconsistent. It has been found, or referred to, that cross-striated muscles bundles (cardiac muscle) are found in or extend into the valve (2–4, 7, 8), and into the upper tw ...
Anatomy of Arterial Supply of the Soleus Muscle
Anatomy of Arterial Supply of the Soleus Muscle

... middle and distal third defects of lower extremity. The muscle flaps can be either proximally or distally based. Distally based flaps have been described by other studies (2-6). Also these studies described hemisoleus flaps, in which the muscle is split and rotated to cover medial or lateral defects ...
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Muscle



Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin and myosin that slide past one another, producing a contraction that changes both the length and the shape of the cell. Muscles function to produce force and motion. They are primarily responsible for maintaining and changing posture, locomotion, as well as movement of internal organs, such as the contraction of the heart and the movement of food through the digestive system via peristalsis.Muscle tissues are derived from the mesodermal layer of embryonic germ cells in a process known as myogenesis. There are three types of muscle, skeletal or striated, cardiac, and smooth. Muscle action can be classified as being either voluntary or involuntary. Cardiac and smooth muscles contract without conscious thought and are termed involuntary, whereas the skeletal muscles contract upon command. Skeletal muscles in turn can be divided into fast and slow twitch fibers.Muscles are predominantly powered by the oxidation of fats and carbohydrates, but anaerobic chemical reactions are also used, particularly by fast twitch fibers. These chemical reactions produce adenosine triphosphate (ATP) molecules that are used to power the movement of the myosin heads.The term muscle is derived from the Latin musculus meaning ""little mouse"" perhaps because of the shape of certain muscles or because contracting muscles look like mice moving under the skin.
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