"Pterostylis" Natural Recordings by Native Speakers
Pterostylis is a genus of orchids commonly known as "greenhoods" due to the presence of a hood-like extension on the flower. The genus is native to Australia, with some species also found in New Zealand. The greenhoods are known for their unique flowers, which have a distinctive shape and patterning. Many species of Pterostylis are terrestrial, growing in the wild in moist environments such as rainforests and rocky outcrops.
Here are 5 usage examples based on the word "Pterostylis":
A pterosaur is an extinct group of flying reptiles that lived during the Mesozoic era, often mistakenly referred to as a dinosaur. However, pterosaurs are not dinosaurs, but flying animals that belong to a distinct group.<br><br>The name pterosaur comes from the Greek words "ptera" (πτέρυξ), meaning "wing," and "saurus" (σαῦρος), meaning "lizard." Pterosaurs were characterized by their wings, which were formed by a membrane of skin and other tissues stretching from their body to their long fourth finger.<br><br>Living during the time of the dinosaurs, pterosaurs were often smaller than many dinosaurs, but some species grew quite large, with wingspans reaching up to 10 meters (33 feet). Pterosaurs were likely warm-blooded, had a four-chambered heart and a complex respiratory system, and were carnivorous, hunting fish, other small animals, and possibly even other pterosaurs.<br><br>There are over 150 known species of pterosaurs, ranging from small insectivores to large predatory forms. Unfortunately, all pterosaurs became extinct at the end of the Cretaceous period, around 65 million years ago, marking the end of the Mesozoic era and the beginning of the Cenozoic era.
Pterosauria is a group of flying reptiles that lived during the Mesozoic Era, particularly during the Triassic, Jurassic, and Cretaceous periods. They were characterized by their unique wings, which were formed by a membrane of skin and other tissues that stretched from their body to their long fourth finger. This allowed them to fly, although the size and shape of their wings varied greatly among different species.<br><br>There were two main groups of pterosaurs: the long-tailed pterosaurs and the short-tailed pterosaurs. The long-tailed pterosaurs were the first to evolve, and they gave rise to the more advanced short-tailed pterosaurs later on.<br><br>Some of the most well-known types of pterosaurs include the flying reptiles Quetzalcoatlus, Pteranodon, and Rhamphorhynchus.
Pterosaurus is an archaic term used to describe the earliest tetrapod vertebrates, such as the Ichthyostega, that had an amphibious or semi-amphibious lifestyle. However, when most people refer to "pterosaurus," they usually mean pterosaurs, a distinct group of flying reptiles that lived during the Mesozoic Era, specifically during the Triassic, Jurassic, and Cretaceous periods. Pterosaurs were characterized by their wings formed from a thin membrane of skin and other tissues stretching from the body to the long fourth fingers. They were the first vertebrates to evolve powered flight.
Pterospermum is a genus of flowering plants in the family Sterculiaceae, commonly known as mahoe or sterculia. There are around 10 species of this genus, which are native to tropical Asia. These plants are deciduous, with star-shaped leaves and small, fragrant flowers. The seeds are a valuable source of oil.
Pterotic refers to a mimic or imitator, especially a type of insect or a type of fossilized impression of an insect, that has a wing-like structure or appears to have wings.
Pteridophyta refers to a division of vascular plants characterized by the presence of sporangia, or spore-producing structures, on the leaves or stems. This group includes ferns, horsetails, and club mosses. Pteridophytes are thought to be among the most primitive vascular plants on Earth, and are often considered living fossils since they have changed relatively little over millions of years.
The term "pterygiectomy" refers to a surgical procedure that involves the partial or total removal of a lung lobe or a single segment of a lung, along with the whole pterygium, or a wing of the lung. The word "pterygium" itself means a wing or wing-like structure in medical terminology.<br><br>In the context of modern medicine, surgical removal of lung tissue is often a last resort for treating various lung diseases, such as metastatic lung cancer, certain types of lung tumors, or severe lung infections like empyema (pus accumulation in the lung space outside the lung cavity). <br><br>Pterygiectomy can be performed via open surgery, video-assisted thoracic surgery (VATS), or robotic-assisted surgery, depending on the specific case requirements and patient health conditions.
A pterygiophore is a hard or bony structure that serves as a supporting element in the fin of a fish. It is a series of bony or calcified dermal spines or struts that are fused on either side of a vertebral column in the fish, and they run along the length of the fin, providing support and stability to the fins.