Definition
noun
A triangular depression on the mediastinal surface of each lung where the bronchus, blood vessels, nerves and lymphatics enter or leave the viscus.
Supplement
These structures are invested by pleura, which, below the hilus and behind the pericardial impression, form the pulmonary ligament.
Synonyms:
Definition noun A triangular depression on the mediastinal surface of each lung where the bronchus, blood vessels, nerves and lymphatics enter or leave the viscus. Supplement These structures are invested by pleura, which, below the hilus and behind the pericardial impression, form the pulmonary ligament. Synonyms: hilum pulmonaris porta pulmonis..
Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
