Mar 01, 2021 · Testis histology labeled diagram is so important to understand the all structures of testis. In this article I am going to discuss on testis histology of animal. ... The intertubular space in testis histology contains loose connective tissue, blood vessels, fibrocytes and interstitial endocrine leydig cells. ... The blood-brain barrier is a physiological barrier that keeps many substances that circulate in the rest of the body from getting into the central nervous system, restricting what can cross from circulating blood into the CNS. Nutrient molecules, such as glucose or amino acids, can pass through the BBB, but other molecules cannot. Initially blood develops within the core of "blood islands" along with blood vessels in mesoderm.Blood is considered as a form of "liquid conective tissue" consisting of a fluid and cellular component. Mesoderm both within the embryo and outside the mesoderm (extra-embryonic mesoderm).Within the embryo the aorta in the aorta-gonad-mesonephros (AGM) … Introduction. The heart is composed of cardiac muscle, specialised conductive tissue, valves, blood vessels and connective tissue.. Cardiac muscle, the myocardium, consists of cross-striated muscle cells, cardiomyocytes, with one centrally placed nucleus. Nuclei are oval, rather pale and located centrally in the muscle cell which is 10 - 15 µm wide. The choroid, also known as the choroidea or choroid coat, is the vascular layer of the eye, containing connective tissues, and lying between the retina and the sclera.The human choroid is thickest at the far extreme rear of the eye (at 0.2 mm), while in the outlying areas it narrows to 0.1 mm. The choroid provides oxygen and nourishment to the outer layers of the retina. Structure. The area postrema is a paired protuberance found at the inferoposterior limit of the fourth ventricle. Specialized ependymal cells are found within the area postrema. These cells differ slightly from the majority of ependymal cells (ependymocytes), forming a unicellular epithelial lining of the ventricles and central canal.The area postrema is separated from the … May 30, 2021 · Epithelial Tissue definition. Epithelial Tissue is one of the four types of tissue (epithelial, muscular, connective, and nervous) in animals which consists of closely aggregated polyhedral cells adhering firmly to one another, forming cellular sheets that line the interior of hollow organs and cover the body surface. An epithelial tissue or epithelium (plural is epithelia) … Oct 28, 2021 · Labeled diagram showing the structure of a blood vessel Observe the blood vessels diagrams above, where you can see the structures of arteries and veins clearly labeled. Spend a while piecing these diagrams together in your mind, trying to link the labeled names with the functions you learned about in the video. Mar 15, 2020 · The apophysis is a normal secondary ossification center that is located in the non-weight-bearing part of the bone and eventually fuses with it over time (most of the apophyses fuse during the 2 nd decade of life, but this process can be delayed, especially in female athletes). The apophysis is a site of tendon or ligament attachment, as compared to the epiphysis which … Compact bone is organized as parallel columns, known as Haversian systems, which run lengthwise down the axis of long bones. These columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or Haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone. Blood vessels (note outlines of red blood cells in slide 204) are also seen. In the medulla is the loop of Henle, usually composed of: In the medulla is the loop of Henle, usually composed of: An initial thick portion that represents the continuation … View extensive video descriptions of all the histological features of human organs within the human organ systems - cardiovascular system, respiratory system, endocrine system, male reproductive system, female reproductive system, urinary system, lymphoid organs or lymphatic system, oral cavity and the digestive system, histology of the liver, gallbladder and pancreas. May 10, 2021 · The lung is identified, dissected en-block, weighed, and labeled. Later the lung is perfused with 10% formalin through the trachea to the physiological peak inspiration level. Underinflation or over inflation should be prevented. ... Their fragile membrane allows for easier gas permeability between the alveoli and the blood vessels. Despite ... Junqueira's Basic Histology Text and Atlas, 14th Edition. Marwan Othman. Download Download PDF. Full PDF Package Download Full PDF Package. This Paper. A short summary of this paper. 21 Full PDFs related to this paper. Read Paper. Download Download PDF. Photo by Theresa Carrera; labeled by Dr. Janowski-Bell. Photo by Theresa Carrera; labeled by Dr. Janowski-Bell Arteries and veins experience differences in the pressure of blood flow. As a result, these differences are reflected in the structure of the vessels. Arteries experience a pressure wave as blood is pumped from the heart. Sep 07, 2021 · Dog leg anatomy. First, you might have a basic idea of the different bones of the forelimb and hindlimb of a dog. Now I will provide you the few information on the other bones of dog leg anatomy with their unique features. The front leg of a dog consists of the clavicle, scapula (arm), radius and ulna (forearm), carpals, metacarpals, and phalanges (forepaw). Oct 28, 2021 · This article lists a series of labeled imaging anatomy cases by body region and modality. Brain CT head: non-contrast axial CT head: non-contrast coronal CT head: non-contrast sagittal CT head: angiogram axial CT head: angiogram coronal CT... Nov 15, 2021 · The cardiovascular system consists of the heart and blood vessels (arteries, arterioles, capillaries, venules, veins). This system delivers oxygenated blood from the heart to the tissues, and returns deoxygenated blood from the tissues back to the heart and lungs. At a histological level, both the heart and blood vessels consist of three layers: The appearance of the submucosa layer is a bit variable, but, in general, it's best considered as irregular connective tissue: in slide 29 the submucosa appears more "loose" whereas in slides 168 and 170 it is more dense, and, in slide 169, here the submucosa is edematous and exhibits unusually dilated blood vessels.