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Positive end-expiratory pressure (PEEP) is the pressure in the lungs (alveolar pressure) above atmospheric pressure (the pressure outside of the body) that exists at the end of expiration. [1] The two types of PEEP are extrinsic PEEP (PEEP applied by a ventilator) and intrinsic PEEP (PEEP caused by an incomplete exhalation).
Greek mythology mentions many plants and flowers, [62] where for example the lotus tree bears a fruit that causes a pleasant drowsiness, [63] while moly is a magic herb mentioned by Homer in the Odyssey with a black root and white blossoms. [64]
Plant perception is the ability of plants to sense and respond to the environment by adjusting their morphology and physiology. [1] Botanical research has revealed that plants are capable of reacting to a broad range of stimuli, including chemicals, gravity, light, moisture, infections, temperature, oxygen and carbon dioxide concentrations, parasite infestation, disease, physical disruption ...
Botany is a natural science concerned with the study of plants.The main branches of botany (also referred to as "plant science") are commonly divided into three groups: core topics, concerned with the study of the fundamental natural phenomena and processes of plant life, the classification and description of plant diversity; applied topics which study the ways in which plants may be used for ...
Heliotropism, a form of tropism, is the diurnal or seasonal motion of plant parts (flowers or leaves) in response to the direction of the Sun. The habit of some plants to move in the direction of the Sun, a form of tropism, was already known by the Ancient Greeks. They named one of those plants after that property Heliotropium, meaning "sun turn".
Greek mythology mentions many plants and flowers, [122] where for example the lotus tree bears a fruit that causes a pleasant drowsiness, [123] while moly is a magic herb mentioned by Homer in the Odyssey with a black root and white blossoms. [124] Magic plants are found, too, in Serbian mythology, where the raskovnik is supposed to be able to ...
Peep, by Rasmus; Peeps, a type of candy; Peeps, by Scott Westerfeld; Positive end-expiratory pressure, a measure of lung function; Stint, a type of bird; Peeps (Regular Show), an episode; Peep, a baby chick in the television series Peep and the Big Wide World
As the plant grows, new vascular tissue differentiates in the growing tips of the plant. The new tissue is aligned with existing vascular tissue, maintaining its connection throughout the plant. The vascular tissue in plants is arranged in long, discrete strands called vascular bundles. These bundles include both xylem and phloem, as well as ...