This article reports a rare case of symptomatic cystic lymphangioma originating from the left adrenal gland in a female patient successfully treated by complete surgical resection. Endocrine adrenal gland histology view related images. The cortex can be subdivided into the zona glomerulosa, the zona fasciculata and the zona reticularis. Adrenal glands and its hormones there are 2 adrenal glands that lie anteriorly to kidneys. Histology pages, school of anatomy and human biology, uwa, australia, by lutz slomianka. The adrenal glands also known as suprarenal glands are endocrine glands that sit atop the kidneys. Three distinct zones can be seen in the cortex, the zona glomerulosa zg, zona fasciculata zf and zona reticularis zr. Figure 1 adrenal gland, cortex hyperplasia in a male spraguedawley rat from a chronic study. Pdf the adrenal glands are complex endocrine glands regulating some physiological and functional. A fair selection of tissues and organs is available for a little online microscopy. It covers both uptodate basic and clinical notions on adrenal glands. Stimulation the adrenal cortex c is affected by acth from the anterior pituitary e. When viewed under a microscope each layer has a distinct appearance, and each has a different function.
To publish all the references i have accumulated on the adrenal gland. The adrenal glands a are situated above each kidney b. However, only two of these layers are of homeostatic significance. Basic function and structure of the major cell types and different zones of the adrenal cortex. Subcapsular hyperplasia b6c3f1 mouse treated for 90. Histology of the adrenal gland colorado state university. The embryonic origins of the reptilian adrenal gland are as in other vertebrate groups. Using your mouse, select a structure within the adrenal gland section to learn more about the structure. This is a low power image of the adrenal gland massons trichrome stain. Although embryologically distinct, the two portions of the adrenal gland are functionally related. The adrenal cortex is devoted to production of hormones, namely aldosterone, cortisol, and androgens zona glomerulosa. Histology of the adrenal gland two glands in one is an apt description of the adrenal gland. The right adrenal is more closely attached to the kidney than the left adrenal dunn 1970. Figure 1014 lowpower photomicrograph of a portion of the thyroid gland.
The most distinctive feature of the adrenal is its partitioning into. A study of the histology of the normal adrenal gland. The majority of intraabdominal cystic lymphangiomas is located in the mesentery, in contrast to adrenal location that is very rare 12. Each adrenal gland is composed of 2 endocrine organs, one surrounding the other. Difference in embryological origin of the major subdivisions of the adrenal gland, and how this relates to their functions. You may not embed one of our images on your web page without a link back to our site. Pathology of the adrenal gland toxicologic pathology. It is pyramidal in structure and weights about four grams. Sasikala, assistant professor of anatomy location abdomen at the superior poles of the kidneys and are embedded in adipose tissue right suprarenal gland is pyramidshaped and sits directly on top of the right kidney, left suprarenal gland is more crescentshaped and lies along the medial border of the left kidney from the hilus to its superior pole.
Because of where the adrenal gland is located, the adrenal gland is also called the suprarenal gland. The adrenal glands are composed of two distinct types of tissue. The adrenal gland is composed of an outer cortex and an inner medulla. Adrenal gland also called suprarenal gland paired adrenal glands are located on the top of the kidneys. Pdf histological and histochemical study of adrenal gland in local.
Can you identify the capsule, adrenal cortex and component regions. The suprarenal glands are responsible for the release of hormones that regulate metabolism, immune system function, and the. A pheochromocytomaof the adrenal gland scaled score pass weighted for these specific histologic features can be used to separate tumors with a potential for a biologically aggressive behavior pass or 4 from tumors that behave in a benign fashion pass adrenal gland hyperplasia. The adrenal cortex is a darker staining outer layer which encircles the entire gland whereas the adrenal medulla is the lighter staining inner region. They are a pair of triangularshaped glands, each about 2 in long and 1 in wide, that sit on top of the kidneys see the image below. These are a pair of glands, one associated with each kidney. Basic structure and subdivisions of the adrenal gland, and how to recognize them in histological sections. There are two adjacent foci of hyperplasia h in the zona fasciculata. The cortex and the medulla are derived from different embryonic tissues. If you would like a large, unwatermarked image for your web page or blog, please purchase the appropriate license. See more ideas about histology slides, anatomy and physiology and physiology. Adrenal glands from pathophysiology to clinical evidence pdf. Histological study showed the adrenal glands surround by collagen fibers connective tissue capsule also. The major endocrine glands are the pituitary gland, the pineal body, the thyroid gland, the parathyroid gland, the pancreas, the adrenal glands.
The suprarenal glands, also known as adrenal glands, belong to the endocrine system. The organ is richly vascularized and capsular blood vessels, nerves and lymphatics penetrate along with the connective tissue septae. This chapter discusses the morphology, histology, seasonal changes, and physiology of adrenal gland in reptilia. Book october 2017 with 21,570 reads how we measure reads a read is counted each time someone views a publication summary such as the title. Each adrenal gland is divided into an outer region called the adrenal cortex c and an inner region called the adrenal medulla d. Adrenal gland and its functions philadelphia university. Bridge between biochemistry, molecular biology, physiology, disease processes and the effects of diseases. Amidst the molecular aspects, discussed by leading scientists in the field, there are er stress, microrna, hormone biosynthesis, and interactions with other organs. This image shows a histological section of the adrenal gland. The infundibulum and small amounts of nonneural secretory tissue surrounding it form the hypophyseal stalk. An opening in the middle of the adrenal medulla is just the blood vessel.
Sasikala, assistant professor of anatomy location abdomen at the superior poles of the kidneys and are embedded in adipose tissue right suprarenal gland is pyramidshaped and sits directly on top of the right kidney, left suprarenal gland is more crescentshaped and lies along the medial border of the left kidney from the hilus to its. The study of the microscopic structure of biological material and the ways in which individual components are structurally and functionally related. Part of the atlas of anatomic pathology book series aap abstract. Learn adrenal gland biology with free interactive flashcards. This page lists the textbooks i used for the preparation of these pages and briefly comments on some of the books. The characteristic feature of these cells as implied in thename is their stainingreaction wrien treated. Essentially the gland is divided into three layers. Histology lecture 2 adrenal glands flashcards quizlet.
Normal and pathologic anatomy of the adrenal gland of the mouse. Choose from 500 different sets of adrenal gland biology flashcards on quizlet. The glands are ovoid, and are slightly larger and more opaque in female mice due to the presence of more lipid hummel et al. The present book provides a stateoftheart overview of the adrenal gland pathophysiology. Histology pages, school of anatomy and human biology, uwa, australia. Cells of the adrenal medulla the central portion of the adrenal gland, the medulla, is composed of a parenchyma of large, palestaining epithelioid cells called chromaffin cells medullary cells,connective tissue, numerous sinusoidal blood. Examples of singleuser license include conferences, seminars, presentations, and onetime teaching courses. The pituitary gland or hypophysis is attached to the inferior surface of the brain by an extension of the nervous tissue of the tuber cinereum eminentia mediana of the hypothalamus, the infundibulum.
There is an outer fatty capsule just deep to the renal fascia that functions as an added protective layer deep to the capsule, is the adrenal cortex. The adrenal medulla is the inner portion and it secretes. See more ideas about histology slides, anatomy and physiology and medical laboratory science. The adrenal gland is found on the upper portion of each kidney. We provide 1 original jpeg or tiff and 1 highquality optimized image without our logo. Subcapsular hyperplasia b6c3f1 mouse treated for 90days with na bromate water disinfection biproduct. Pdf histological structure of the adrenal gland of the bottlenose. Histology of adrenal gland adrenal gland human anatomy. The adrenal cortex is the outermost layer of the adrenal gland. Figure 2 adrenal gland, cortex hyperplasia in a male spraguedawley rat from a chronic study higher magnification of. The pituitary gland is located in the sella turica, the hypophyseal.
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