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Exploring the Remarkable Digestive System of Rabbits: A Comprehensive Guide
https://www.bioscience.com.pk/en/topics/zoology/digestive-system-of-rabbitfrom vegetable matter. The alimentary canal is a long, coiled tube of variable diameter. It is suspended in the body cavity by the mesentery. It consists of the mouth, tongue, teeth, and buccopharyngeal cavity. esophagus, stomach, small intestine, large...
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MIT Scientists Develop Breakthrough Device That Generates Linked Microwave Signals Without Cooling
https://www.bioscience.com.pk/en/subject/astronomy/mit-device-creates-linked-microwave-signals-at-room-temperature-without-extreme-coolingto Generate Signal Pairs The device operates by placing a magnetic film inside a microwave resonator—a specialized metal cavity designed to trap electromagnetic energy. When microwave power is introduced, the system triggers an interaction with the...
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Comparative Anatomy: Male Reproductive Systems in Birds, Rabbits, and Reptiles
https://www.bioscience.com.pk/en/topics/zoology/comparison-male-reproductive-system-of-bird-rabbit-and-reptileSystem of Calotes (Garden Lizard) In Calotes, the testes are small, white, ovoid structures located within the abdominal cavity, positioned anterior to the kidneys. Unlike mammals, there is no inguinal canal, and the spermatic cord is absent. The right...
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Female Infertility: Causes and Investigations
https://www.bioscience.com.pk/en/topics/pathology/female-infertility-causes-and-investigationspituitary, known as the LH surge. This surge causes the follicle to rupture, expelling the ovum into the peritoneal cavity near the fimbrial end of the fallopian tube. The fallopian tubes serve as conduits for the ova, transporting them from the ovaries...
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Astronomers Spot Ultramassive Black Hole Duo Carving 3,200‑Light‑Year Void in Distant Galaxy
https://www.bioscience.com.pk/en/subject/astronomy/astronomers-find-two-black-holes-so-massive-they-may-have-emptied-a-galaxys-corehidden phenomenon. Deep within the massive elliptical galaxy known as Abell 402‑BCG, researchers have uncovered a star‑free cavity spanning roughly 3,200 light‑years. First noticed in 2018, the void was initially thought to be a veil of interstellar...
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Digestive System of Palaemon (Prawn)
https://www.bioscience.com.pk/en/topics/zoology/digestive-system-of-palaemon-prawnI. Alimentary Canal The alimentary canal is a long tube. It starts at the mouth and ends with the anus. It shows the buccal cavity, esophagus, stomach intestine, and rectum. The buccal cavity, esophagus, and stomach are lined with euncle. It is called...
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Chick Embryo Development Stages: From Egg to Hatching
https://www.bioscience.com.pk/en/topics/zoology/stages-in-chick-embryo-developmentaccelerates. By the seventh day, digits appear on the wings and feet, the heart is fully enclosed within the thoracic cavity, and the embryo begins to resemble a bird. By the tenth day, feathers and feather tracts are evident, and the beak begins to...
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Mysterious Robot Submarine Maps Hidden Teardrop Formations on Dotson Ice Shelf Before Vanishing
https://www.bioscience.com.pk/en/subject/marine-science/robot-submarine-found-bizarre-structures-beneath-antarctic-ice-before-suddenly-disappearing-without-a-traceunder the Dotson Ice Shelf, operating out of contact with the research vessel that deployed it. Once it entered the hidden cavity, scientists could only await its return. During the 2022 austral summer, Ran spent 27 days navigating the sub‑ice void,...
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Digestive System of Hirudinaria and Its Adaptations
https://www.bioscience.com.pk/en/topics/zoology/digestive-system-of-hirudinaria-and-its-adaptationswith the anus. It is divisible into the following parts. Fore gut or stomodaeum consisting of the pre-oral chamber, buccal cavity, and pharynx. They are lined with cuticles. Mid gut consists of the esophagus, crop, stomach, and intestine. All these have...
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Comparative Anatomy: Frog Digestive System Vs. Shark Digestive System
https://www.bioscience.com.pk/en/topics/zoology/comparative-anatomy-frog-digestive-system-and-shark-digestive-systemsystem consists of alimentary and digestive glands. Usually, the alimentary canal has formed with the mouth, buccal cavity, pharynx, esophagus, stomach, intestine, rectum, and cloaca in both these animals. The most important digestive glands are the...
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Respiratory System and Organs in Rabbit
https://www.bioscience.com.pk/en/topics/zoology/respiratory-system-and-organs-in-rabbitnostrils present at the anterior end of the snout. The nostrils open into a nasal passage that is situated above the buccal cavity. The nasal passage is separated from the buccal cavity by a palate. The nasal passage opens posteriorly into the pharynx...
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Physicists Boost Superconductivity by Manipulating the Energy Hidden in Empty Space
https://www.bioscience.com.pk/en/subject/physics/superconductivity-responds-to-something-hidden-inside-empty-spacequantum electromagnetic fluctuations in empty space by manipulating an ultrathin superconductor within a custom-designed cavity. Researchers have successfully manipulated the fundamental properties of matter by engineering the electromagnetic vacuum, a...
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Webb Telescope Unveils A Chaotic Star Nursery Hidden Behind Cosmic Dust
https://www.bioscience.com.pk/en/subject/space-science/webb-peers-through-cosmic-dust-and-exposes-a-chaotic-star-factory-3-300-light-years-awayWebb’s infrared vision unveils hidden protostars, powerful outflows, and a vast stellar cavity within the vibrant star-forming region NGC 7129. The James Webb Space Telescope has unveiled the chaotic inner workings of NGC 7129, a stellar nursery...
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Cranial Nerves of Scoliodon (Shark)
https://www.bioscience.com.pk/en/topics/zoology/cranial-nerves-of-scoliodon-sharkthe nerve Origin Branches Distribution Physiological Nature OLFACTORY Olfactory lobe. - Olfactory epithelium of the nasal cavity. Sensory OPTIC Optic lobe. - Retina of eye. Sensory OCULOMOTOR Ventrolateral side ofthe midbrain. - Anterior rectus,...
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Characteristics of Phylum Platyhelminthes
https://www.bioscience.com.pk/en/topics/zoology/characteristics-of-phylum-platyhelmintheswere the first animals to develop distinct organ systems, showcasing an evolutionary milestone in animal anatomy. Body Cavity: A true coelom (body cavity) is absent. Instead, the space between body organs is filled with loose parenchymal tissue,...
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Comparative Anatomy: Rabbit and Frog Digestive Systems
https://www.bioscience.com.pk/en/topics/zoology/comparative-anatomy-rabbit-and-frog-digestive-systemsof the mammal and amphibian Rabbit Frog Omnivorous Carnivorous The Alimentary canal consists of mounth, buccopharyngeal cavity, pharynx, oesophagus, stomach (a. Cardiac part, b. Fundic part, and c. Pyloric part), small intestine (a. Duodenum, b....
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Reproductive System of Rabbit (Male)
https://www.bioscience.com.pk/en/topics/zoology/reproductive-system-of-male-rabbitsmall, ovoid bodies of light pink color. Each testes lies in a special thin-walled sac of hairy skin outside the abdominal cavity, called the scrotum. It is located ventrally in the pubic region. In the fetus and newborn rabbit, the testes lie within...
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Examination of Sputum
https://www.bioscience.com.pk/en/topics/pathology/examination-of-sputumAllowing the sputum to stand can lead to the rapid proliferation of contaminating bacterial flora from the throat and oral cavity, resulting in inaccurate results. Additionally, pathogenic organisms, particularly Haemophilus influenzae, do not survive...
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Examination of Peritoneal Fluid
https://www.bioscience.com.pk/en/topics/pathology/examination-of-peritoneal-fluidof various diseases such as bacterial peritonitis, pancreatic disease, and biliary tract perforation. The peritoneal cavity, a potential space within the abdomen, is lined with mesothelial cells and typically contains approximately 30-50 ml of serous...
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First Dinosaur Egg Inside Another Egg Reveals Bird‑Like Reproductive Trait
https://www.bioscience.com.pk/en/subject/biology/scientists-found-a-68-million-year-old-dinosaur-egg-hidden-inside-another-fossilized-eggPradesh, one specimen revealed an unexpected interior: a complete egg encased within its outer shell, separated by a clear cavity. Researchers identified this as an ovum‑in‑ovo condition, a phenomenon previously recorded only in birds and never...