UNSW Embryology

Glossary Z

© Dr Mark Hill (2008)

Acknowledgements

zebrafish

fish model of vertebrate embryological development. Embryos ar translucent and large number of known (and manufactured) mutants. (More? Other Embryos - Zebrafish)

ZIFT

acronym for Zygote Intra Fallopian Transfer, a procedure in which eggs are collected from a woman's ovaries and fertilized outside her body. A laparoscope is then used to assist in placing the resulting zygote (fertilized egg) into the woman's uterine (fallopian) tube through small incisions in her abdomen. (More? Week 1 Notes - In Vitro Fertilization)

ZP1

acronym for Zona Pellucida Binding Protein, a glycoprotein found in zona pellucida surrounding the egg. (More? Week 1 - Fertilization | Week 1 - Oogenesis | zona pellucida binding protein 1)

ZP2

acronym for Zona Pellucida Binding Protein 2, a glycoprotein found in zona pellucida surrounding the egg. Before fertilization ZP2 binds spermatozoa. After fertilization ZP2 is proteolytically cleaved as an initial block to polyspermy. (More? Week 1 - Fertilization | Week 1 - Oogenesis | zona pellucida binding protein 1)

ZP3

acronym for Zona Pellucida Binding Protein 3, a glycoprotein found in zona pellucida surrounding the egg required for initial zona matrix formation and during fertilization for species-specific sperm binding. Now thought to exist in 2 isoforms ZP3A and ZP3B (a second polymorphic allele). (More? Week 1 - Fertilization | Week 1 - Oogenesis | zona pellucida binding protein 1)

ZPBP1

acronym for Zona Pellucida Binding Protein 1 a spermatozoa protein found located on the acrosome surface. (More? Week 1 - Fertilization | Week 1 - Oogenesis | zona pellucida binding protein 1)

zona pellucida

specialized extracellular matrix consists of three types of glycoproteins ZP1, ZP2 and ZP3 which surrounds the developing oocyte (egg, ovum) in the ovary and the blastocyst during the first week of development. The zona pellucida has a role in fertilization, sperm binding, preventing polyspermy, blastocyst development and preventing premature implantation. (More? Week 1 - Fertilization | Week 1 - Oogenesis | zona pellucida binding protein 1)

zona pellucida binding protein 1

(ZPBP1) a spermatozoa protein found located on the acrosome surface which has a role during spermiogenesis (acrosome compaction, Sertoli-spermatid junctions) and also binds the zona pellucida during fertilization. (More? Week 1 - Fertilization | Week 1 - Fertilization)

zoonotic disease

an animal disease that can be transmitted to humans. This can be through contact with animals (pets, farm animals, wildlife) or their products (milk, meat, waste). (More? Q Fever)

zygote

The first diploid cell formed by fusion of egg and sperm and the combination of their separate genomes. (More? Week 1 Notes)

zygote intrafallopian transfer

(ZIFT) A procedure in which eggs are collected from a woman's ovaries and fertilized outside her body. A laparoscope is then used to assist in placing the resulting zygote (fertilized egg) into the woman's uterine (fallopian) tube through small incisions in her abdomen. (More? Week 1 Notes - In Vitro Fertilization)

Alphabetical Links

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S |T | U | V | W | X | Y | Z

External Resources

Comments

Use this page to access brief definitions of specific alphabetically listed 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 Glossary List: Texts listed on page 1 Reading of each notes section, Department of Anatomy Publications, WWW resources from NCBI, AMA (USA), Office of Rare Diseases (USA), PubMed Medline Dictionaries, MSDS, Merck Manual home edn., NHMRC (Australia). These notes are for Educational Purposes Only. Please email Dr Mark Hill if you wish to make a comment about this current project.

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