Webmds spleen anatomy page provides a detailed picture, definition, and information about the spleen. The textbook of anatomy abdomen and lower limb covers in detail the anatomy of the abdomen and lower limb. That is where a good lymphatic system powerpoint diagram can really help in presentations. Bilateral left sidedness has absent gall bladder, polysplenia, two left lungs, and.
Home templates anatomy lymphatic system powerpoint diagram the lymphatic system is one of the most complex in the human body, reaching all points from the head down to the toes. Nonaccidental trauma frequency of pediatric blunt abdominal injuries spleen 27% kidney 27% liver 15%. It is the largest of the ductless glands, and is of an oblong, flattened form, soft, of very friable consistence, highly vascular, and of a dark purplish color. Liver anatomy human anatomy picture human anatomy and physiology lymphatic system love fitness medical science nursing students ultrasound human body. Inside, the mass of splenic tissue is of two types, the red pulp and the white pulp, which do not separate into regions but intermingle and are distributed throughout the spleen. Structure and function of spleen anatomy, physiology.
Functions of the stomach storage of food for 3 hours partial digestion of proteins and fats semi digested food from stomach enters the duodenum oesophagus 25cm long muscular tube from pharynx to stomach behind trachea and in front of vertebral column major part passes to thorax food. Jan, 2014 the spleen is an organ shaped like a shoe that lies relative to the 9th and 11th ribs and is located in the left hypochondrium and partly in the epigastrium. The spleen is situated principally in the left hypochondriac region, but its superior extremity extends into the epigastric region. The spleen is 1 by 3 by 5 inches 3 by 8 by cm, weighs approximately 7 oz 200 g, and lies between the 9th and 11th ribs on the lefthand sid. Diseases of spleen congenital abnormalities there are complex congenital heart syndromes that are associated with situs anomalies and involve the spleen. Choose from 500 different sets of spleen anatomy physiology flashcards on quizlet. May 17, 2020 the spleen is a fist sized organ located in the left upper quadrant of the abdomen. The spleen hosts all major types of mononuclear phagocytes, including macrophages, dcs and monocytes. The spleen university of tennessee college of medicine. The spleen is an organ of the hematological system and has a role in immune response, storage of red blood cells and hematopoiesis. Ppt spleen powerpoint presentation free to view id. The year of pluto new horizons documentary brings humanity closer to the edge of the solar system duration. Ziser lecture notes, 2005 10 formed in marrow, lungs and spleen by fragmentation of large cells.
In dogs, the spleen increases in weight during the first 6 months of life hoganesch and hahn, 2001. The spleen, in healthy adult humans, is approximately 7 centimetres 2. May 17, 2020 the spleen is a secondary lymphoid organ. Filters abnormal red cells splenunculi accessory spleen. Following recent trends of anatomy education, the book in addition to basic information provides knowledge on anatomical, embryological, and histological basis of clinical conditions through its features clinical correlation and clinical case study. The surgeon and the spleen itp low platelet, normal bone marrow, abscess of other causes increased platelet destruction mediated by autoantibodies to platelet membrane antigens that results in platelet phagocytosis by the spleen 72% pts 10yrs are. Spleen anatomy physiology splenic trauma splenomegaly. The lymphatic system is one of the most complex in the human body, reaching all points from the head down to the toes.
The spleen is the largest organ of the lymphatic system. Scribd is the worlds largest social reading and publishing site. There is a printable worksheet available for download here so you can take the quiz with pen and paper. Learn about its function, location in the body, and conditions that can affect the spleen. It is the largest of the ductless glands, and is of an oblong, flattened form, soft, of very friable consistence, highly vascular, and of a dark purplish. As the lymph nodes are filters for the lymphatic circulation, the spleen is the primary filtering element.
The american association for the surgery of trauma aast splenic injury scale, most recently revised in 2018, is currently the most widely used grading system for splenic trauma. The lymphatic vasculature plays an essential role in the maintenance of tissue interstitial fluid balance and in the immune response. Each individual handson training case is accompanied by image windowspecific. With the spleen retracted medially, the phrenicocolic ligament is incised. The terminal vessels of the spleens arterial tree are the sheathed capillaries, which either enter directly into splenic sinusoids or empty openly into the spleens connective tissue. Anatomy develops from mesenchymal cells in the dorsal mesogastrium during the fifth week of gestation. Thus, the spleen is situated between the fundus of the stomach and the diaphragm. This recycling function is largely carried out by macrophages surrounding the sheathed capillaries of the splenic red pulp.
It is the main lymphoid organ, where all the lymphocytes and all the body. Download that books into available format 2019 update. Applied anatomy 150 gms 9 th, 10 th,11 th rib tail of pancreas, stomach, colon, lt. Numerous references discuss the effects of aging on lymphocyte function and changes in the distribution of lymphocyte subsets.
Textbook of anatomy abdomen and lower limb pdf free download. Lies just beneath the left half of the diaphragm close to 9,10 and 11 ribs and on the left side of abdomen. Human anatomy and physiology is designed for the twosemester anatomy and physiology course taken by life science and allied health students. Find powerpoint presentations and slides using the power of, find free presentations research about anatomy of spleen ppt. The spleen is 1 by 3 by 5 inches 3 by 8 by cm, weighs approximately 7 oz 200 g, and lies between the 9th and 11th ribs on the lefthand side and along the axis of 10th rib. Pages in category spleen anatomy the following 21 pages are in this category, out of 21 total. Although the spleen is usually the only organ to be damaged by closed abdominal violence, other adjacent organs may be injured including. Surgical anatomy of the abdomen pdf free download direct link. Learn spleen anatomy physiology with free interactive flashcards. It is thought that these macrophages can recognize the reduced. It is the largest lymphoid organ and thus the largest filter of blood in the human body. The spleen is a wedgeshaped organ lying mainly in the left upper quadrant left. Spleen scan abnormalities fully reversed at 1 year. View and download powerpoint presentations on anatomy of spleen ppt.
In this way, the spleen stimulates the maturation and activation of lymphocytes. Apr 11, 2018 the spleen is an organ found in virtually all vertebrates. Located in the upper left region of the abdominal cavity, the spleens primary function is to filter blood of damaged cells, cellular debris, and pathogens such as bacteria and viruses. Jun 23, 2019 the spleen is the largest organ of the lymphatic system. Radiological anatomy plain radiography the spleen is partially. Anatomy and physiology the lymphatic system chapter 15 is the property of its rightful owner. The human spleen arises in week 5 within the dorsal mesogastrium as proliferating mesenchyme overlying the dorsal pancreatic endoderm. The splenic cords are composed of reticular fibers, reticular cells, and associated macrophages saito et al. In this article, we shall look at the anatomy of the spleen its anatomical position, structure and vasculature. Started in 1995, this collection now contains 6769 interlinked topic pages divided into a tree of 31 specialty books and 732 chapters. Although it may seem dispensable as it is possible to live without it, the spleen is constantly. When visible, bowing of the stripes may be a sign of a mass.
The spleen is an organ found in virtually all vertebrates. This is an online quiz called liver, pancreas, and spleen anatomy. The anatomy and embryology of the spleen are well described in standard texts on those subjects 1. The spleen is delivered to the midline by means of blunt and sharp dissection of the areolar plane between the kidney and the pancreas. The spleen in local and systemic regulation of immunity. Anatomy of splenectomy for ruptured spleen sciencedirect. In primary lymphoid organs, immature lymphocytes differentiate to mature ones into an antigen sensitive lymphocytes and after maturation, lymphocytes migrate to secondary lymphoid organs. By filtering blood, the spleen also recycles senescent and damaged erythrocytes. The spleen is very vascular and reddish purple in color. Textbook of anatomy abdomen and lower limb pdf free. Similar in structure to a large lymph node, it acts primarily as a blood filter. Aast spleen injury scale radiology reference article. The red pulp is composed of a three dimensional meshwork of splenic cords and venous sinuses. Flank stripes are not always seen due to lack of contrast or clipping on larger persons.
The spleen is a fist sized organ located in the left upper quadrant of the abdomen. Kestner lymphatic system consists of lymph, lymph vessels, lymph nodes, lymphatic. Anatomy and physiology the lymphatic system chapter 15 community education mr. After capture of fluids, proteins and antigens by lymphatic. Although functional asplenia is a rare event in systemic lupus erythematosus, it appears to predispose to severe septic complications. The spleen is a pulpy organ approximately the size of a fist, and contains the largest single aggregate of lymphoid tissue in the body.
The accessory pancreatic duct, the duct of santorini, passes from the upper part of the head, often communicates with it, and then opens into the. In this article we will discuss about the primary and secondary lymphoid organs. Its network of trabeculae, blood vessels and lymphoid tissue provides an environment in which white blood cells lymphocytes proliferate while old damaged red blood cells erythrocytes are recycled. The reticular cells are considered to be myofibroblasts and may play a role in splenic contraction saito et al. Alright, now in this part of the article, you will be able to access the free pdf download of surgical anatomy of the abdomen pdf using our direct links mentioned at the end of this article. The risk of this is increased if the spleen is diseased e. Located in the upper left region of the abdominal cavity, the spleen s primary function is to filter blood of damaged cells, cellular debris, and pathogens such as bacteria and viruses. This category is for articles about the spleen, an organ found in virtually all vertebrate animals with important roles in regard to red blood cells and the immune system. In the adult, the spleen functions mainly as a blood filter, removing old red blood cells. The spleen develops in association with the digestive system in the dorsal mesogastrium, and as the stomach rotates during development the spleen comes to occupy the left cranial abdomen. Introduction it is a haemolymph organ and belongs to reticuloendothelial system. This open circulation is unique in the human circulatory system which is normally a closed circuit. Ppt anatomy and physiology the lymphatic system chapter 15.
If so, share your ppt presentation slides online with. Free download abdomen,spleen,liver anatomy and physiology diagrams dentistry and medicine. An easy way to remember the anatomy of the spleen is the 1. A free powerpoint ppt presentation displayed as a flash slide show on id. Ppt anatomy and physiology the lymphatic system chapter. The spleen has a unique location, embryological development and histological structure that differs significantly from other lymphoid organs special histological features define several important functions of the spleen. Free download abdomen,spleen,liver anatomy and physiology. This means that the spleen filters blood and presents foreign particles antigens to the lymphocytes it houses. Normal structure, function, and histology of the spleen. The spleen is an organ located in the upper left abdomen, and is roughly the size of a clenched fist. Anatomy develops from mesenchymal cells in the dorsal mesogastrium during the fifth week of. Pleural cavity separates spleen and diaphragm from the rib. The shape and structure of the spleen is similar to a lymph node, but much larger.
The spleen is the largest organ of your lymphatic system, a subdivision of the immune system. Understanding the lymphatic system ppt means using a proper diagram to allow for the right visualization of the process. The textbook follows the scope and sequence of most human anatomy and physiology courses, and its coverage and organization were informed by hundreds of instructors who teach the course. Each individual handson training case is accompanied by image windowspecific expert instruction and probepositioning guidance. Search help in finding liver, pancreas, and spleen anatomy online quiz version. The spleen reaches peak development at puberty, in rats, followed by gradual involution losco, 1992. The spleen has a unique location, embryological development and histological structure that differs significantly from other lymphoid organs. Generally, an ebook can be downloaded in five minutes or less. Functions of the stomach storage of food for 3 hours partial digestion of proteins and fats semi digested food from stomach enters the duodenum oesophagus 25cm long muscular tube from pharynx to stomach behind trachea and in front of vertebral column major part passes to thorax food passes to stomach by.
The main duct of the gland, the duct of wirsung, runs the length of the gland and usually joins with the termination of the common bile duct to form the ampulla of vater that opens into the second part of the duodenum at a prominent duodenal papilla. The spleen is the primary organ which ensures that old, effete erythrocytes are properly eliminated and their hemoglobin effectively recycled as described in heme degradation. The human spleen is a dark bean shaped organ about the size of a persons fist. These cells are key protectors of the organism because they identify pathogens and cellular stress, remove dying cells and foreign material, regulate tissue homeostasis and inflammatory responses, and shape adaptive immunity. Haematopoietic cells in the spleen are derived from the agm aortagonadmesonephros and yolk sac and as the primary lymphoid organs become established it. Despite its functional importance, the anatomy of the organ has not been studied as extensively as that of other organs, probably because its study presents intrinsic difficulties. The spleen is the largest lymphoid tissue of the human body, accounting for approximately 25% of the total number of lymphocytes. Spleen is an important internal organ that is on average not larger than the size of a fist. The red pulp is a network of splenic cords cords of billroth and sinusoids. Anatomy of the pancreas and the spleen sciencedirect. The spleen is located in the upperleft part of the abdomen. The surgeon and the spleen itp low platelet, normal bone marrow, abscess of other causes increased platelet destruction mediated by autoantibodies to platelet membrane antigens that results in platelet phagocytosis by the spleen 72% pts 10yrs are female, 70% of affected females less than 40yrs.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. It also plays a role in both cellmediated and humoral immune responses. Aast spleen injury scale dr michael p hartung and assoc prof frank gaillard et al. Like the thymus, the spleen houses and aids in the maturation of immune system cells called lymphocytes.
Spleen, organ of the lymphatic system located in the left side of the abdominal cavity under the diaphragm, the muscular partition between the abdomen and the chest. The spleen is the commonest organ to undergo rupture or laceration from violence. With electron microscopy, it is apparent that the reticular. Hilum of the spleen along with anatomy of the splenic artery a and the splenic vein v. The spleen is marked on the left side of the back with the long axis of the 10th rib. Detailed anatomical and embryological descriptions have been purposely omitted from this chapter, which concentrates on the surgical relevance of spleen related structures and their development.
The spleen is encased in a thick connectivetissue capsule. Sympathetic fibers are derived from the celiac plexus. Bilateral right sidedness is associated with a transverse liver, asplenia, two right atria, and two right lungs. In humans it is about the size of a fist and is well supplied with blood.
908 993 999 1024 433 171 12 253 678 185 206 328 696 445 1369 721 295 1353 130 759 1162 1121 217 670 960 1271 1316 693 721 46 1301 156 1229 1278 965 812 977 1084 1017 1170 115 184 1262 286 812