Gametogenesis
Concept of gametogenesis, meiosis, spermatogenesis and oogenesis. Gametogenesis in mammals. Structure of the gametes. Sperm, egg and flagella structure. Sperm capacitation and egg cytoplasm. Egg maturation at the time of fertilization in various species.
Подобные документы
- 1. Paracamelus minor (Camelidae, Tylopoda) – a New Camelid Species from the Middle Pliocene of Ukraine
Description of a new species Paracamelus minor location of Odessa catacombs (rustsiny) in the northern Black Sea coast of Ukraine. Features of the structure of a species: small size, moderate swelling of the body of the mandible, a significant reduction.
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статья, добавлен 01.12.2017Individual genetic heterogeneity as the main factor driving prolonged dormancy of the species. Three morphological states were identified in dormant plants of Fritillaria including a false dormancy in individuals which carried on growing below ground.
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презентация, добавлен 22.03.2012