Hatschek's pit

English Etymology Named for its discoverer, Berthold Hatschek (1854–1941). Noun en anatomy A deep en ciliated en fossa on the en dorsal en midline of the en buccal en cavity in en lancelet lancelets. en A Student's Text-book of Zoology 21 Adam Sedgwick 1905 If the preoral (Hatschek's) pit be regarded as a gland, it has been suggested by v. Wijhe that it is comparable to the neural gland of the Tunicata, and that the ciliated groove is comparable to the opening of that gland, the dorsal tubercle, the edges of which are frequently drawn out in a manner very similar to the course of the ciliated groove of Amphioxus. https://books.google.com/books?id=qygIAQAAIAAJ&dq=%22Hatschek's%20pit%22&pg=PA21#v=onepage&q=%22Hatschek's%20pit%22&f=false en The Pituitary Gland: A Comparative Account 339 R. L. Holmes 1974 that most authorities now accept the possibility that Hatschek's pit might be the homologue - in some ancestral form, the precursor - of Rathke's pouch, and so of the adenohypophysis. https://books.google.com/books?id=UZs8AAAAIAAJ&lpg=PA339&dq=%22Hatschek's%20pit%22&pg=PA339#v=onepage&q=%22Hatschek's%20pit%22&f=false en Vertebrate Endocrinology 151 David O. Norris 2013 It is known as Hatschek's pit and has been found to react positively to antibodies against substance P, met-enkephalin, cholecystokinin (CCK), mammalian luteinizing hormone (LH), and the enzyme aromatase (P450aro), which converts certain androgens into estrogens (see Chapter 3). https://books.google.com/books?id=F_NaW1ZcSSAC&lpg=PA151&dq=%22Hatschek's%20pit%22&pg=PA151#v=onepage&q=%22Hatschek's%20pit%22&f=false Synonyms deep ciliated fossa en Hatschek's groove Hatschek’s groove, en preoral pit Further reading en eponyms