3B Scientific B22 Mini-Torso, 12 Part + free Anatomy App - 3B Smart Anatomy
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3B Scientific B22 Mini-Torso, 12 Part + free Anatomy App - 3B Smart Anatomy
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The pectoralis major, shown in the next drawing in both anterior and lateral views, moves the humerus in various ways depending on which portion is contracting and which other muscles are assisting. The main actions are moving the humerus in a forward direction (flexion), moving the humerus from an overhead position and returning it to the side of the torso (adduction), and rotating the humerus in an inward direction (medial rotation). The peripheral nervous system definition is that it conducts information from the CNS to the target tissues, and from the target tissues to the CNS. It consists of nerves and their ganglia. Nerves that carry information from peripheral sense organs (for example eye, tongue, nasal mucosa, ear, skin) to the CNS are called the ascending, afferent or sensory nerve fibers. Fibers that carry information from the CNS to the periphery (muscles and glands) are the descending, efferent, motor or secretory nerve fibers. There are several components of the axillar region, referred to as “walls” of the axilla: the anterior wall of the axilla, the posterior wall of the axilla, the medial wall of the axilla, and the lateral wall of the axilla. There is also the floor of the axilla. The anterior wall is created by the pectoralis major and pectoralis minor muscles, and is seen on the surface quite clearly as a strong, muscular form moving from the rib cage into the upper arm. The upper portion of the coracobrachialis muscle is concealed by the anterior wall when the arm is at the side of the torso; when the arm is raised overhead, however, it appears as a small elongated form located next to the upper portion of the biceps; this area is the lateral wall. The posterior wall is formed by the teres major and latissimus dorsi muscles, along with the subscapularis muscle beneath. The medial wall consists of the upper four ribs and the upper four digitations of the serratus anterior muscle. The floor of the axilla consists of the axillar fascia and the skin stretching between the anterior and posterior walls. When the arms are pulled up or away from the torso, you can usually detect only the anterior and posterior walls, as well as the floor of the axilla. The coracobrachialis and a few of the fingerlike digitations of the serratus anterior located between the more obvious anterior and posterior walls may also be detected on the surface. Bianconi, Eva; Piovesan, Allison; Facchin, Federica; etal. (5 July 2013). "An estimation of the number of cells in the human body". Annals of Human Biology. 40 (6): 463–471. doi: 10.3109/03014460.2013.807878. hdl: 11585/152451. PMID 23829164. S2CID 16247166. Occupying the anterior and lateral regions of the abdominal area of the torso are three layers of muscles: The superficial muscle layer contains the external oblique and rectus abdominis—the two abdominal muscles seen on the surface form. The intermediate layer contains the internal oblique, and the deep layer contains the transversus abdominis. The abdominal muscle group helps move the vertebral column and rib cage in the actions of forward bending (flexion), side bending (lateral flexion) and rotation, as well as causing the compression of the abdominal wall. Muscles belonging to each of the layers are shown in the following drawing.
Human body systems: Overview, anatomy, functions | Kenhub Human body systems: Overview, anatomy, functions | Kenhub
Another reproductive disease is testicular torsion, it occurs when the spermatic cord which holds up the testicle wraps around itself cutting off blood flow to the testicle. Testicular torsion is a medical emergency and can result in testicular death or infertility if not treated immediately by physically unwrapping the spermatic cord. If the testicle has suffered severe damage, it may need to be surgically in a lateral orchiectomy. The primary symptom of testicular torsion is severe testicular pain at rest, nausea and vomiting may also occur. Testicular torsion can occur at any age, although it is most common in 12-18 year olds. [47] [48] The skin is the body's largest organ, and it plays a vital role in protecting us from external elements. The female torso's skin is generally thinner and has more subcutaneous fat than the male torso.Organs, structured collections of cells with a specific function, [12] mostly sit within the body, with the exception of skin. Examples include the heart, lungs and liver. Many organs reside within cavities within the body. These cavities include the abdomen (which contains the stomach, for example) and pleura, which contains the lungs. The legs are also known as the lower limbs, and they help us bear the weight of the entire body besides facilitating movement. The digestive system organs spread from the mouth to the anal canal. So it’s actually a tube consisting of the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anal canal. Accessory digestive organs assist with the mechanical and chemical food breakdown, these are the tongue, salivary glands, pancreas, liver and gallbladder. In Western societies, the contexts for depictions of the human body include information, art and pornography. Information includes both science and education, such as anatomical drawings. Any ambiguous image not easily fitting into one of these categories may be misinterpreted, leading to disputes. [65] The most contentious disputes are between fine art and erotic images, which define the legal distinction of which images are permitted or prohibited. Fracture-dislocation: Severe ligament or soft tissue damage can cause a fracture or dislocation of the vertebrae. This can lead to damage of the spinal cord.
Human body - Wikipedia Human body - Wikipedia
One of the most noticeable differences between male and female torsos is the overall size and shape. On average, the anatomy female torso tends to be shorter and narrower compared to the male torso. Why is that, you ask? Well, it's because women generally have a smaller skeletal frame and shorter ribcage than men. The Cardiovascular System". State University of New York Downstate Medical Center. 8 March 2008. Archived from the original on 11 June 2016 . Retrieved 16 September 2008. Elevates ribs during inspiration (breathing in). Also maintains intercostal spaces and supports rib cage. The digestive system is responsible for breaking down food, absorbing nutrients, and eliminating waste. Key components within the female torso include:
Downward rotators of the scapula. Levator scapula, rhomboids, pectoralis minor. (Downward rotation of the scapula pivots the glenoid fossa downward). Fluid Physiology". Anaesthesiamcq. Archived from the original on 3 May 2005 . Retrieved 2 September 2016. The smooth muscle lining the ureter walls continuously tighten and relax through a process called peristalsis to force urine away from the kidneys and down into the bladder. Small amounts of urine are released into the bladder every 10–15 seconds.
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