Reptiles
Bothrops alternatus
The Bothrops alternatus , known as yarará in Argentina, is a life-threatening venomous snake of the warm and humid regi…
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Reptiles
Cape Cobra
The Cape cobra ( Naja nivea ) is a dangerous venomous snake one can encounter in South Africa and Namibia. Since it be…
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Reptiles
Peringuey’s Adder
The Peringuey’s adder ( Bitis peringueyi ) is a venomous snake, which is endemic to the Namib desert, along the coast …
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Biology
Epithelial Tissue
The epithelial tissue , or epithelium, is membranous tissue that covers the surface of the body and lines internal orga…
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Anatomy
Epimysium and Perimysium
Epimysium and perimysium are two thin sheath of connective tissues that wrap around skeletal muscles. The difference i…
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Anatomy
Internal Iliac Artery
The internal iliac artery is an important blood vessel that supplies the organs and tissues of the pelvic region. It o…
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Anatomy
External Pudendal Arteries
The external pudendal arteries are a pair of blood vessels of the inguinal region, supplying the skin of the pubic and…
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Anatomy
Internal Pudendal Artery
The internal pudendal artery is a blood vessel of the lower pelvic region which supplies the human genitalia. It arise…
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Anatomy
Internal Carotid Artery
The internal carotid artery is one of the two blood vessels that supply the brain with oxygenated blood; the other is …
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Anatomy
Ophthalmic Artery
The ophthalmic artery is the main blood vessel which supplies the eye and nearby structures. It arises from the intern…
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Anatomy
Middle Cerebral Artery
The middle cerebral artery is one of the main blood vessels of the human brain. It supplies a large area of the cerebr…
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Anatomy
Brachiocephalic Trunk
The brachiocephalic trunk is a short and thick artery which supplies the head, right shoulder, and right arm. It origi…
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Anatomy
Anatomy
Pulmonary Veins
The pulmonary veins drain oxygenated blood from the lungs into the left atrium. They emerge from the hila of the lungs…
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Anatomy
Pulmonary Trunk
The pulmonary trunk is a large artery which carries venous blood from the heart right ventricle into the lungs. It is …
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Anatomy
Interventricular Septum
The interventricular septum is the muscular partition which divides and isolates the right ventricle from the left ven…
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