1) Proctodaeum
Found on
https://www.crosswordclues.com/clue/proctodeum
A proctodeum is the back ectodermal part of an alimentary canal. It is created during embryogenesis by a folding of the outer body wall. It will form the lower part of the anal canal, below the pectinate line, which will be lined by stratified squamous non-keratinized (zona hemorrhagica) and stratified squamous keratinized (zona cutanea) epitheliu...
Found on
http://en.wikipedia.org/wiki/Proctodeum
1. An ectodermally lined depression under the root of the tail, adjacent to the terminal part of the embryonic hindgut; at its bottom, proctodeal ectoderm and cloacal endoderm form the cloacal plate. When this epithelial plate ruptures, the anal and urogenital external orifices are established. ... Synonym: anal pit. ... 2. Terminal portion of the ...
Found on
http://www.encyclo.co.uk/local/20973
(prok″to-de´әm) the ectodermal depression of the caudal end of the embryo, which becomes the anal canal; called also anal pit.
Found on
http://www.encyclo.co.uk/local/21001
Type: Term Pronunciation: prok′tō-dē′ŭm, -dē′ă Definitions: 1. Terminal portion of the insect alimentary canal, extending from the pylorus (area of malpighian tubule attachment) to the anal opening; in certain diptera (flies) and other insects, the proctodeum is divided into a tubular anterior intestine an...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=72501
a depression in the ectoderm of the anal region of a young embryo, which develops into part of the anal canal.
Found on
https://www.infoplease.com/dictionary/proctodeum
No exact match found.
