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UNSW Embryology Glossary J

Link to the Original UNSW Embryology Glossary J


ligand for the Notch cell surface receptor. Has an important role in blood vessel development. Signal activation leads to cleavage of the intracellular part of the Notch receptor from the membrane which translocates to the nucleus and activate s transcription factors.

(More? [/heart19.htm Cardiovascular System - Blood Vessels] | [/heart11.htm Cardiovascular System - Molecular] | OMIM - Jagged1 | Pubmed - Jagged1 is required for vascular smooth muscle development)


acronym for "just another kinase" a kinase family involved in signal transduction.

(More? Molecular Development)


Yellow colouration of the skin caused by high levels of bilirubin in the body. Present to some extent in most newborns due mainly to the time taken for the newborn liver to develop and functionally process bilirubin. Jaundice can also occur with normally with breast feeding (breastfeeding jaundice) and abnormally as a sign of a range of newborn abnormalities (conditions increasing red blood cell number or interference with bilirubin processing/removal).

(More? Medline Plus - Newborn jaundice)


acronym for "Joints Abnormal With Splitting" a protein in mouse musculoskeletal development which coordinates cartilage formation and synovial joint positioning.

(More? [skmus31.htm Musculoskeletal - Joints] | Molecular Development)


(Latin, jejunus = empty of food) Second part of the small intestine extending from the duodenum to the ileum.

(More? GIT Notes)

Joints Abnormal With Splitting

(JAWS) a protein in mouse musculoskeletal development which coordinates cartilage formation and synovial joint positioning identified in digit formation.

(More? [skmus31.htm Musculoskeletal - Joints] | Molecular Development)


Use this page to access brief definitions of specific embryology terms. Additional information can be accessed from links listed at the end of each definition. Glossary from the UNSW Embryology program compiled and written by Dr Mark Hill. Reference Material used in preparing this glossary list includes: texts listed on page 1 Reading of each notes section, Department of Anatomy Publications, WWW resources from NCBI, NIH, OMIM, NHMRC (Australia), AMA (USA), Office of Rare Diseases (USA), PubMed Medline Dictionaries, MSDS, Merck Manual home edn.

These notes are for Educational Purposes Only Please email Dr Mark Hill if you wish to make a comment about this current project.

Copyright: Dr Mark Hill Created: 01.06.1997 Updated: 11.05.2009

UNSW CRICOS Provider Code No. 00098G