Ultrastructure of Cardiac Muscle and Nerve Contiguities
نویسنده
چکیده
FIOURE 1 This electron micrograph shows a nerve process (gr) containing predominantly granular vesicles which makes intimate contact with the surface of a cardiac muscle cell (arrows). A portion of a nerve process (affr) containing only agranular vesicles is situated above the other nerve process. Serial sections would most likely show these two nerve processes lying side-by-side, g, glycogen particles; p, protrusion of cardiac muscle cell; grv, large granular vesicles. Myocardium of the apex of, the ventricle of frog heart. X 40,000.
منابع مشابه
The Effect of Amiodarone on the Ultrastructure of Ganglionic Neurons of Rabbit Heart
Purpose: This research has been carried out to study the morphological and ultrastructural changes of rabbit heart ganglionic neurons and nerve fibers after treatment with Amiodarone. Materials and Methods: 21 rabbits were divided into control and two experimental groups. The first experimental group for one week and the second experimental group for two weeks were injected intraperitoneally 8...
متن کاملUltrastructure of heart muscle.
The ultrastructure of cardiac muscle is described. In the course of the descriptions advantage has been taken of comparative anatomy, in order to elucidate the relationships between structure and function. Physiologic parameters are discussed in a comparative manner including information from skeletal muscles fibers that often provide a well-studied point of departure. The descriptions of the u...
متن کاملA Rare Anatomical Variation of Sciatic Nerve and its Relationship with Piriformis Muscle
Sciatic nerve is the thickest nerve of the body which is formed by ventral branches of L4, L5, S1, S2 and S3 of spinal nerves as a part of sacral plexus in pelvis. It leaves the pelvis via the greater sciatic foramen below piriformis muscle and descends between the greater trochanter and ischial tuberosity, along the back of the thigh and dividing into the tibial and common peroneal (fibular) n...
متن کاملThe Effect of Cardio Gel and Matrigel on the Ultrastructure of Cardiomyocytes Derived From Mouse Embryonic Stem Cells
Purpose: To investigate the effect of cardiogel and matrigel on the ultrastructure of embryonic stem cell-derived cardiomyocytes. ECM: Extracellular Matrix derived from cardiac fibroblasts (cardiogel), commercial extracellular matrix (matrigel) and control group (without ECM) were cultured for up to 21 days. Ultrastructural properties of cardiomyocytes were evaluated by transmitting electron mi...
متن کاملDevelopment of an amphibian neuromuscular junction in vivo and in culture.
During normal development presumptive synaptic sites in the myotomes of Xenopus laevis begin to acquire a high density of ACh receptors within as little as 2 h after the arrival of the nerve fibres. Synaptic function also begins very shortly after the arrival of the nerve fibres. Initially synaptic currents are some eight times longer lasting than at maturity and are not prolonged by anticholin...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- The Journal of Cell Biology
دوره 29 شماره
صفحات -
تاریخ انتشار 1966