| 单词 | columnar cell |
| 例句 | The goblet cells, which are shorter than the columnar cells, are in direct contact with the intestinal lumen. Fundamentals of Biology 2015-01-01T00:00:00Z The endoderm gives rise to columnar cells found in the digestive system and many internal organs. Biology for AP Courses 2022-06-09T00:00:00Z Pseudostratified columnar epithelium is a type of epithelium that appears to be stratified but instead consists of a single layer of irregularly shaped and differently sized columnar cells. Anatomy and Physiology 2013-06-19T00:00:00Z This groove is lined by columnar cells, some carrying cilia, others being glandular and secreting sticky slime. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z The inner walls of the tubular part consist of non-ciliated columnar cells, and when the polypide is retracted it lies almost at right angles to the main axis of the zoœcium. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z Beneath the columnar cells is a layer of horizontal cells. Fundamentals of Biology 2015-01-01T00:00:00Z The mesophyll has two layers: an upper palisade layer comprised of tightly packed, columnar cells, and a lower spongy layer, comprised of loosely packed, irregularly shaped cells. Biology for AP Courses 2022-06-09T00:00:00Z The preponderating elements of the ectodermic layer are elongated columnar cells, each containing a nucleus, and bearing cilia at their free extremities. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" Its epithelium consists of a single layer of columnar cells. Development of the Digestive Canal of the American Alligator Then there are the columnar cells, found in various parts of the intestines, in which they are closely arranged side by side. A Practical Physiology Shorter columnar cells are interspersed between the lower, thin part of the tall columnar cells. Fundamentals of Biology 2015-01-01T00:00:00Z The upper part of the mesophyll is comprised of columnar cells called palisade parenchyma. Fundamentals of Biology 2015-01-01T00:00:00Z The inner layer or endoderm is also a cellular layer, and is chiefly made up of columnar cells, each bearing a cilium at its free extremity and terminating internally in a long muscular fibre. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" The epithelium of these intestinal sections, especially the lower two, consists of usually a single layer of columnar cells which are clearer than those of the stomach. Development of the Digestive Canal of the American Alligator Cilia extend from the top of the tall columnar cells. Fundamentals of Biology 2015-01-01T00:00:00Z The nuclei of the tall columnar cells are located near the top, and the nuclei of the shorter columnar cells are located near the bottom, giving the appearance of two layers of cells. Fundamentals of Biology 2015-01-01T00:00:00Z Beneath the columnar cells is a layer of horizontal cells. Fundamentals of Biology 2015-01-01T00:00:00Z The mouth and pharynx are lined at this stage with a thin, stratified epithelium, which consists of a basal layer of rather tall columnar cells and one or two superficial layers of flattened cells. Development of the Digestive Canal of the American Alligator The epithelium of this part of the intestine consists of a single layer of clear, columnar cells, which, around the borders of the opening, are thrown into numerous folds and are almost of goblet form. Development of the Digestive Canal of the American Alligator The epithelial layer also is thicker than in the oesophagus; it consists of tall columnar cells that, at places, are thrown into small folds, figure 7I. Development of the Digestive Canal of the American Alligator |
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