combining form repr. Gr. τέλος, τέλε-ος end, occurring in a few scientific (biological, etc.) terms: see also TELEO-2. Teloblast [Gr. βλαστός germ], each of a number of proliferating cells at one end of the embryo in segmented animals, as insects and annelids. Telolecithal a. [Gr. λέκιθος yolk], applied to an ovum having food-yolk collected at or near one end (opp. to alecithal and centrolecithal). Telophase [PHASE], term for the final stage of mitosis or cell-division in an ovum. Telopore [PORE sb.1], an opening at one end of an embryo, formed by invagination of the teloblasts. Telostomiate a. [f. Gr. στόμι-ον dim. of στόμα mouth], having the mouth at one end of the main axis of the body.
1890. Patten in Q. Jrnl. Microsc. Sc., Aug., 369. A forward continuation of the anterior wall of the terminal pore or *telopore. Ibid. Three longitudinal sections, showing successive stages in the formation of a telopore by the invagination of *teloblasts.
1880. Balfour, Comp. Embryol., I. iii. 90. The ova in which the yolk is especially concentrated at one pole I should propose to call *telolecithal.
1888. E. R. Lankester, in Nature, 29 March, 507/1. The classification of animal eggs proposed by Balfour is adopted, viz. alecithal, telolecithal, and controlecithal.
1900. G. C. Bourne, Comp. Anat., iii. 115. The last stages of mitosis are known as the *Telophase. Ibid., 116. The centrosomata … divide very precociously during the telophase.
1890. *Telopore [see teloblast].
1877. E. R. Lankester in Q. Jrnl. Microsc. Sc., Oct., 422. Radial and bilateral symmetry and *telostomiate and prostomiate conditions. Ibid., 423. A specialisation of the ciliated ectoderm at a time when the organism was telostomiate.
