Copulatory mechanism and functional morphology of genitalia and anal horn of the scorpionfly Cerapanorpa dubia (Mecoptera: Panorpidae) [0.03%]
拟赤翅甲 Copula机制及尾器与臀角的功能形态学（泛采翅科）
Xin Tong,Wen Zhong,Bao-Zhen Hua
Xin Tong
The scorpionfly genus Cerapanorpa is characterized by the male possessing a single finger-like anal horn on the posterior portion of tergite VI. However, the functional morphology of this anal horn and the genitalia have not been studied to...
The myodural bridge in the common rock pigeon (Columbia livia): Morphology and possible physiological implications [0.03%]
家岩鸽(myodural桥的形态及可能的生理意义
Chukwuemeka Samuel Okoye,Nan Zheng,Sheng-Bo Yu et al.
Chukwuemeka Samuel Okoye et al.
The dense connective tissue that connects muscles to the cervical spinal dura mater is known as the myodural bridge in human anatomy and has been a subject of interest to anatomists and clinicians. The myodural bridge was originally discove...
Exocytosis of neurosecretory granules from the crustacean sinus gland in freeze-fracture [0.03%]
低温断裂下甲壳动物窦腺神经分泌颗粒的出胞作用
Richard R Shivers
Richard R Shivers
Exocytosis is clearly shown in freeze-fracture preparations to be the mechanism for neurosecretion granule release from axon endings in the crayfish sinus gland. The cytoplasmic leaflet (A-face) of axon ending membrane is characterized by r...
Studies on silk secretion in the trichoptera (F. Limnephilidae): I. Histology, histochemistry, and ultrastructure of the silk glands [0.03%]
丝虫产丝的研究(第1部分)(Limnephilidae族): 丝腺的组织学、组化和亚显微结构研究
Maryann S Engster
Maryann S Engster
As part of a study on trichopteran silk secretion, the histology, histochemistry, and ultrastructure of the silk glands of two species of limnephilid trichopteran larvae, Pycnopsyche guttifer (Walk.) and Neophylax concinnus McL., were inves...
Further observations on the fine structure of the infracerebral gland in Nereis (Annelida; Polychaeta) - C2 and C3 cells; centripetal and centrifugal fibers [0.03%]
关于环节动物沙蚕脑下腺亚脑部分精细结构的进一步观察-C2和C3细胞；向心和离心纤维
A C Whittle,D W Golding
A C Whittle
The infracerebral gland of Nereis is made up of three types of cells. C1 cells are hypertrophied pericapsular elements, whereas C2 and C3 cells have the morphological and cytological features of neurosecretory neurons. C2 and C3 cells give ...
Patterns of chondrogenesis and calcification in the developing limb of the lizard, Calotes versicolor [0.03%]
关于壁虎Calotes versicolor肢发育过程中软骨生成和钙化的模式研究
Jagdish K K Mathur,Suresh C Goel
Jagdish K K Mathur
The first skeletal condensation appears deep at the base of the limb bud near the somites, when the apical ectodermal ridge (AER) is maximally developed. Thereafter the skeletal elements generally appear in a proximodistal sequence but most...
Structural changes occurring during transformation of the labial gland cells to their adult form, in Manduca sexta [0.03%]
棉铃虫唇腺细胞变态过程中的结构变化
Raziel S Hakim
Raziel S Hakim
The labial gland of the adult sphingid moth, Manduca sexta, is composed of five distinct regions, each made of a single cellular type. Four of these regions are derivatives of the single specialized cellular population that makes up the cat...
Stage specific larval, pupal, and adult cuticles in the tracheal system of Sarcophaga bullata [0.03%]
Sarcophaga bullata气管系统中特异分期的幼虫、蛹和成虫表皮结构
Joan M Whitten
Joan M Whitten
Successive tracheal cuticles of the dorsal longitudinal trunks are studied with the electron microscope. Minor differences seen at the light microscope level are seen as major qualitative and quantitative ones at the ultrastructural level. ...
Secretion of embryonic envelopes and embryonic molting cycles in Hemioniscus balani Buchholz, Isopoda Epicaridea [0.03%]
豆壳阿米Helmetaceus甲虫的胚 envelope分泌和胚胎蜕皮周期ions包裹在Hemioniscus balani Buchholz，Isopoda Epicaridea中的现象
Marie Goudeau
Marie Goudeau
The fertilized egg of Hemioniscus balani, a viviparous isopod, is encased in two envelopes, I and II, the structure of which is described. In the course of its development, the embryo secretes five successive sacs called embryonic envelopes...
Scanning microscopy of collagen in the basement lamella of normal and regenerating frog tadpoles [0.03%]
扫描电镜观察正常和再生蛙蝌蚪基底板层胶原蛋白的情况
Jane Overton
Jane Overton
The arrangement of collagen fibers over the body surface in the basement lamella of Pseudaeris and Xenopus tadpoles is described. It can be viewed by scanning microscopy after removal of epidermis and basal lamina by trypsin treatment of al...