Endocrine adrenal gland histology view related images. See more ideas about histology slides, anatomy and physiology and physiology. The adrenal cortex is devoted to production of hormones, namely aldosterone, cortisol, and androgens zona glomerulosa. It covers both uptodate basic and clinical notions on adrenal glands. The most distinctive feature of the adrenal is its partitioning into. The adrenal gland is composed of an outer cortex and an inner medulla. Essentially the gland is divided into three layers. They are made up of a capsule, cortex outer region and medulla inner region. Sectioning through this endocrine gland reveals a pale medulla surrounded by a darker cortex, and each of these two regions produces a distinctly different group of hormones. The adrenal medulla is the inner portion and it secretes. Basic structure and subdivisions of the adrenal gland, and how to recognize them in histological sections.
Adrenal gland and its functions philadelphia university. The pituitary gland is located in the sella turica, the hypophyseal. Normal and pathologic anatomy of the adrenal gland of the mouse. Using your mouse, select a structure within the adrenal gland section to learn more about the structure. An opening in the middle of the adrenal medulla is just the blood vessel.
Three distinct zones can be seen in the cortex, the zona glomerulosa zg, zona fasciculata zf and zona reticularis zr. To publish all the references i have accumulated on the adrenal gland. Because of where the adrenal gland is located, the adrenal gland is also called the suprarenal gland. There are two adjacent foci of hyperplasia h in the zona fasciculata. The majority of intraabdominal cystic lymphangiomas is located in the mesentery, in contrast to adrenal location that is very rare 12. 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. Examples of multiuser license include books, book chapters, educational material, and other publications with multiple copies. See more ideas about histology slides, anatomy and physiology and medical laboratory science. The characteristic feature of these cells as implied in thename is their stainingreaction wrien treated. Figure 1014 lowpower photomicrograph of a portion of the thyroid gland.
Histology of the adrenal gland two glands in one is an apt description of the adrenal gland. Can you identify the capsule, adrenal cortex and component regions. However, only two of these layers are of homeostatic significance. The adrenal glands are composed of two distinct types of tissue. 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. Part of the atlas of anatomic pathology book series aap abstract. Histology pages, school of anatomy and human biology, uwa, australia. The adrenal glands a are situated above each kidney b. These are a pair of glands, one associated with each kidney. This image shows a histological section of the adrenal gland. Examples of singleuser license include conferences, seminars, presentations, and onetime teaching courses.
Basic function and structure of the major cell types and different zones of the adrenal cortex. The right adrenal is more closely attached to the kidney than the left adrenal dunn 1970. 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. Observations on the weight of the human adrenal gland and the effect of preparations of corticotropin of different. Each adrenal gland is divided into an outer region called the adrenal cortex c and an inner region called the adrenal medulla d.
Although embryologically distinct, the two portions of the adrenal gland are functionally related. Stimulation the adrenal cortex c is affected by acth from the anterior pituitary e. 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. Choose from 500 different sets of adrenal gland biology flashcards on quizlet. Adrenal glands and its hormones there are 2 adrenal glands that lie anteriorly to kidneys. A study of the histology of the normal adrenal gland. The cortex can be subdivided into the zona glomerulosa, the zona fasciculata and the zona reticularis. The study of the microscopic structure of biological material and the ways in which individual components are structurally and functionally related. You may not embed one of our images on your web page without a link back to our site.
Histology pages, school of anatomy and human biology, uwa, australia, by lutz slomianka. Figure 1 adrenal gland, cortex hyperplasia in a male spraguedawley rat from a chronic study. When viewed under a microscope each layer has a distinct appearance, and each has a different function. Chapter4 adrenal glands 61 morphology 61 adenal r coretx 62 adrenocortical hormones 62 control of adrenal cortical hormone synthesis 66. Amidst the molecular aspects, discussed by leading scientists in the field, there are er stress, microrna, hormone biosynthesis, and interactions with other organs. 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. 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. Once the structure is selected you can go to the related images to see if more views of the structure are. Figure 2 adrenal gland, cortex hyperplasia in a male spraguedawley rat from a chronic study higher magnification of. 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. Pdf histological structure of the adrenal gland of the bottlenose. The adrenal cortex is the outermost layer of the adrenal gland.
If you would like a large, unwatermarked image for your web page or blog, please purchase the appropriate license. The glands are ovoid, and are slightly larger and more opaque in female mice due to the presence of more lipid hummel et al. 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. The suprarenal glands are responsible for the release of hormones that regulate metabolism, immune system function, and the. The adrenal glands of the mouse are small, paired endocrine organs situated on either side of the anterior pole of the kidneys. Difference in embryological origin of the major subdivisions of the adrenal gland, and how this relates to their functions. The cortex and the medulla are derived from different embryonic tissues. Each adrenal gland is composed of 2 endocrine organs, one surrounding the other. The present book provides a stateoftheart overview of the adrenal gland pathophysiology.
Learn adrenal gland biology with free interactive flashcards. Histology lecture 2 adrenal glands flashcards quizlet. Histology of adrenal gland adrenal gland human anatomy. Pdf the adrenal glands are complex endocrine glands regulating some physiological and functional. The major endocrine glands are the pituitary gland, the pineal body, the thyroid gland, the parathyroid gland, the pancreas, the adrenal glands. This is a low power image of the adrenal gland massons trichrome stain. Pdf histological and histochemical study of adrenal gland in local. The adrenal glands also known as suprarenal glands are endocrine glands that sit atop the kidneys.
A fair selection of tissues and organs is available for a little online microscopy. Histological study showed the adrenal glands surround by collagen fibers connective tissue capsule also. Subcapsular hyperplasia b6c3f1 mouse treated for 90days with na bromate water disinfection biproduct. 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. Pdf anatomical and histological study of pituitary gland. Adrenal glands from pathophysiology to clinical evidence pdf. This page lists the textbooks i used for the preparation of these pages and briefly comments on some of the books. The adrenal cortex is a darker staining outer layer which encircles the entire gland whereas the adrenal medulla is the lighter staining inner region.
Pathology of the adrenal gland toxicologic pathology. Histology of the adrenal gland colorado state university. Adrenal gland also called suprarenal gland paired adrenal glands are located on the top of the kidneys. The adrenal gland is found on the upper portion of each kidney. 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. The infundibulum and small amounts of nonneural secretory tissue surrounding it form the hypophyseal stalk. We provide 1 original jpeg or tiff and 1 highquality optimized image without our logo. The embryonic origins of the reptilian adrenal gland are as in other vertebrate groups. Bridge between biochemistry, molecular biology, physiology, disease processes and the effects of diseases.
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