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Dirona is a genus of sea slugs, Pacific Ocean nudibranchs, marine, opisthobranch gastropod mollusks in the family Dironidae.
The zona pellucida is a glycoprotein layer surrounding the plasma membrane of mammalian oocytes. It is a vital constitutive part of the oocyte. The zona pellucida first appears in unilaminar primary oocytes. It is secreted by both the oocyte and the ovarian follicles. The zona pellucida is surrounded by the corona radiata. The corona is composed of cells that care for the egg when it is emitted from the ovary.
Crassula is a genus of succulent plants containing about 200 accepted species, including the popular jade plant. They are members of the stonecrop family (Crassulaceae) and are native to many parts of the globe, but cultivated varieties originate almost exclusively from species from the Eastern Cape of South Africa.
Human fertilization is the union of a human egg and sperm, usually occurring in the ampulla of the fallopian tube. The result of this union is the production of a zygote cell, or fertilized egg, initiating prenatal development. Scientists discovered the dynamics of human fertilization in the nineteenth century.
Amastra is a genus of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae. This genus is endemic to the Hawaiian Islands.
Tetraphidaceae is a family of mosses. It includes only the two genera Tetraphis and Tetrodontium, each with two species. The defining feature of the family is the 4-toothed peristome.
Kerivoula is a genus of vesper bats in the subfamily Kerivoulinae.
Peperomia pellucida is an annual, shallow-rooted herb, usually growing to a height of about 15 to 45 cm, it is characterized by succulent stems, shiny, heart-shaped, fleshy leaves and tiny, dot-like seeds attached to several fruiting spikes. It has a mustard-like odor when crushed. The family Piperaceae comprises about a dozen genera and around 3000 species. The genus Peperomia represents nearly half of the Piperaceae with the genus Piper making the rest.
Geopyxis is a genus of fungi in the family Pyronemataceae. The genus has a widespread distribution. Molecular phylogenetic studies published in 2007 suggest that the genus is not monophyletic.
Baculospora is a genus of fungi in the Ascomycota phylum. The relationship of this taxon to other taxa within the phylum is unknown, and it has not yet been placed with certainty into any class, order, or family. This is a monotypic genus, containing the single species Baculospora pellucida.
Leuconopsis is a genus of minute air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Ellobiidae.
Rapana is a genus of large predatory sea snails, marine gastropod mollusks in the family Muricidae, the rock snails.
Glaxoa is a genus in the Tubeufiaceae family of fungi. This is a monotypic genus, containing the single species Glaxoa pellucida.
Clathromangelia is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.
Cyclope is a genus of sea snails, marine gastropod mollusks in the family Nassariidae, the Nassa mud snails or dog whelks.
Skenea is a genus of small to minute sea snails, marine gastropod mollusks in the family Skeneidae.
Vermicularia is a genus of sea snails, marine gastropod mollusks in the family Turritellidae.
Trigonostoma is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Folliculogenesis-specific basic helix-loop-helix, also known as factor in the germline alpha (FIGalpha) or transcription factor FIGa, is a protein that in humans is encoded by the FIGLA gene. The FIGLA gene is a germ cell-specific transcription factor preferentially expressed in oocytes that can be found on human chromosome 2p13.3.
Tetraphis pellucida, the pellucid four-tooth moss, is one of two species of moss in the acrocarpous genus Tetraphis. Its name refers to its four large peristome teeth found on the sporophyte capsule.
References
- ↑ Lumbsch TH, Huhndorf SM. (December 2007). "Outline of Ascomycota – 2007". Myconet. Chicago, USA: The Field Museum, Department of Botany. 13: 1–58.