The esophagus is a hollow muscular organ in the digestive system that connects the throat and the stomach. The esophagus has a histological structure typical of the digestive system.The inner mucosa consists of a multilayered, nonkeratinized squamous epithelium. This special epithelial layer protects...
The digestive gland of Phyllocaulis soleiformis is a compound tubular gland. The secretory tubules are made up of two main cell types: the digestive cells and calcic cells. The digestive cells are the most numerous, usually columnar, and exhibit three different functional stages: absorptive, ...
Studies on morphology and ultrastructure of the digestive system were made using light, scanning and transmission electron microscopy. The gross morphology of the alimentary canal consists of esophagus (foregut), midgut, hindgut, and special filter chamber. The esophagus, a narrow and slender tube, ...
Kaushik S C 1969 On the morphology of giant water bug,Belostoma indicum Lep. and Serv. (Heteroptera: Belostomatidae) IV. Morphology and histology of digestive system;J. Anim. Morphol. Physiol. 16 1–16 Google Scholar Klüver H and Barrera E 1953 A method for the combined staining of ...
Systems of organs A group of organs united by similar functions. Cardiovascular, nervous, integumentary, musculoskeletal, respiratory, digestive, excretory, endocrine, lymphatic, reproductive Histology techniques Tissue preparation, tissue staining, microscopy, hybridisation Contents Cells and tissues Main...
利用形态学和连续组织切片技术, 对哲罗鱼仔鱼、稚鱼和幼鱼的消化系统进行了光镜观察,描述了其消化器官发育过程中形态学和组织学结构特征。结果表明, 实验水温为7—12℃时, 初始孵化仔鱼消化道细而直, 两端封闭, 位于卵黄囊背, 随着仔鱼发育消化系统结构逐渐完善。破膜后16d消化系统完全贯通, 破膜34d 食道发育与成...
The digestive system of fish have some peculiarities, both in terms of shape and the presence or absence of couple anatomical segments, depending on the species diet. Oro-pharyngeal cavity represents the first segment of the digestive ... V Mireşan,D Cocan,I Chirilean,... - 《Bulletin of...
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. Scroll down to view the entire curriculum in a...
mesenchymal tissue around the lung bud can differentiate into connective tissue, cartilage and smooth muscle of the trachea and bronchial wall 12. about the description of the original digestive tract, which one is wrong? The dorsal yolk sac formed a A. tail pipe in longitudinal embryo in ...
The digestive tract of the newly hatched milkfish larva is a simple undifferentiated tube. Three days after hatching, differentiation of the esophagus begins with development of mucous-secreting cells. At this time, the intestine can be distinguished from the anterior portion of the digestive tract ...