BIOL 1003 Lecture Notes - Lecture 4: Outline Of Human Anatomy, Surface Anatomy, Comparative Anatomy

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22 Nov 2017
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Anatomy (Greek anatomē, “dissection”) is the branch of biology concerned with the study of
the structure of organisms and their parts.[1] Anatomy is a branch of natural science
dealing with the structural organization of living things. It is an old science, having its
beginnings in prehistoric times.[2] Anatomy is inherently tied to embryology, comparative
anatomy, evolutionary biology, and phylogeny,[3] as these are the processes by which
anatomy is generated over immediate (embryology) and long (evolution) timescales. Human
anatomy is one of the basic essential sciences of medicine.[4] Anatomy and physiology,
which study (respectively) the structure and function of organisms and their parts, make a
natural pair of related disciplines, and they are often studied together.
The discipline of anatomy is divided into macroscopic and microscopic anatomy.
Macroscopic anatomy, or gross anatomy, is the examination of an animal's body parts using
unaided eyesight. Gross anatomy also includes the branch of superficial anatomy.
Microscopic anatomy involves the use of optical instruments in the study of the tissues of
various structures, known as histology, and also in the study of cells.
The history of anatomy is characterized by a progressive understanding of the functions of
the organs and structures of the human body. Methods have also improved dramatically,
advancing from the examination of animals by dissection of carcasses and cadavers
(corpses) to 20th century medical imaging techniques including X-ray, ultrasound, and
magnetic resonance imaging.
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