Describe the Structure of the Spleen

The spleen is the largest lymphoid organ in the body. It is similar to a lymph node in shape and structure but it is much larger.

Spleen Structure And Functions

Visceral surface in contact with the other abdominal viscera.

. Key Points The structure of the spleen is such that two compartments can be distinguished. The spleens primary functions are to filter the blood and help defend the body against pathogens. Simplest lymphoid organs form a ring of lymphatic tissue around the pharynx Location of the.

The spleen combines the innate and adaptive immune system in a uniquely organized way. The spleen participates in the creation of blood cells and also helps to filter out the blood removing old blood cells and fighting infection. Terms in this set 9 spleen.

The blood-containing red pulp. The white pulp WP is the primary immunologic region of the spleen in both species. The spleen consists of two different types of tissues red pulp and white pulp.

Discuss the location and shape of the spleen. It functions strictly in T lymphocyte maturation T for Thymus gland It does not directly fight antigens Replaced by fibrous and fatty tissue by old age 32. Diaphragmatic surface in contact with diaphragm and ribcage.

The spleen also helps to control the amount of blood circulating through the body by creating a reserve pool of blood that can be. Structure and Function of the Spleen. Describe the functions of the spleen.

It is covered by a weak capsule that protects the organ whilst allowing it to expand in size. What is an accessory spleen and where is it usually found. The spleen is part of your bodys lymphatic system.

Name the ligaments attached to the spleen and explain their significance. Organ near the stomach that produces stores and eliminates blood cells filters blood spleen function. The spleen is located on the left side of the abdomen and has an initial embryonic role in blood formation and later in immune function and red blood cell recycling.

This function in combination with a highly organized lymphoid compartment makes the spleen the most. The lymphatic system helps remove cellular waste maintain fluid balance and make and activate infection-fighting white blood cells for the. Its function is to filter the blood.

The structure of the spleen enables it to remove older erythrocytes from the circulation and leads to the efficient removal of blood-borne microorganisms and cellular debris. The spleens external surface can be divided into two portions. In between these two regions is the marginal zone MZ in rodents and the perifollicular zone in humans 1 2 Fig.

Histological structure of the spleen Stroma. Surrounded by a connective tissue capsule which extends inward to divide the organ into lobules the spleen consists of two types of. Being an intraperitoneal organ the spleen is covered by a layer of visceral.

In the red pulp pathogens and cellular debris as well as ageing erythrocytes are efficiently removed from the blood. However the WP makes up less than a quarter of splenic tissue. The spleen has diaphragmatic and.

Surrounded by a fibrous capsule outer-cortex. In this article we will explain its anatomy what it does and what happens when it goes wrong. The spleen is the largest secondary immune organ in the body and is responsible for initiating immune reactions to blood-borne antigens and for filtering the blood of foreign material and old or damaged red blood cells.

It is wrapped by a fibroelastic capsule which allows the. The spleen is encased in a thick connective-tissue capsule. The spleens haematopoietic function blood cell formation is lost with embryo development and lymphoid precursor cells migrate into the developing organ.

These functions are carried out by the 2 main compartments of the spleen the white pulp including the marginal zone and the red pulp which are vastly different. The thymus is a lobular gland located cranial to the heart and. 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.

The spleen is divided by function and structure into the red and white pulp. Structure of Spleen It is a dark purple-coloured organ which lies in the left hypochondriae region of the abdomen between the fundus of. The outer surface of the spleen can be anatomically divided into two.

What is a wandering spleen. The spleen is surrounded by a thin capsule covered by peritoneum mesothelial cells. There are a number of species differences in the gross and histologic appearance of the spleen.

These tissues are encased within a membrane of tissue. When opening up the abdomen of a porpoise the spleen is usually hidden behind the stomachs. The spleen has a slightly oval shape.

A bilobed organ Most active during childhood Function. The spleen is the largest lymphatic organ in the body. Here well discuss more about each of these important features.

Oval shaped organ of the lymphatic system- distributed widely throughout the body. Removes old RBCs holds reserve of blood recycles iron removes bacteria. Unlike the spleen of pinnipeds the spleen in cetaceans is much smaller and rounded often with several accessory spleens nearby.

The spleen is located in the upper left abdominal cavity just beneath the diaphragm and posterior to the stomach. It varies in size and weight during the lifetime of an individual but in an adult is usually about 12 cm long 8cm broad. Describe the structure and functions of Tonsils.

The white pulp is lymphoid tissue that usually surrounds splenic blood vessels. In dogs for example the spleen is somewhat dumbbell shaped while in mice and rats its more uniform along the longitudinal axis. The spleen is an important lymphoreticular organ that functions in immune defense.

6 rows The spleen is a purple fist-sized organ. The white pulp is a highly organized lymphoid. While the spleen is not as well known as other organs it performs multiple important functions.

Describe the lymph vessels located near the spleen. The diaphragmatic surface and the visceral surface. Histologically the spleen is formed of stroma and parenchyma.

The spleen in dogs is able to expand to store large numbers of erythrocytes but it is also capable of rapid contraction.

Spleen Anatomy Location And Functions Kenhub

Organization Of The Spleen The Spleen Is An Encapsulated Organ Which Download Scientific Diagram

Spleen Structure And Functions