Intro. to Science
Terms
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- Artery
- A blood vessel carrying oxygenated blood away from the heart towards the body
- Lymphocyte
- A type of white blood cell found in lymphnodes associated with the immune system
- Collagen
- A protein that is the main organic constituent of connective tissue
- Nucleus
- On oval organelle of a cell that contains the hereditary factors of the cell called genes.
- Vein
- Blood vessel that carries deoxygenated blood from the body back to the heart.
- Erthrocyte
- A red blood cell
- Fascia
- Fibrous membrane covering, supporting & separating muscles
- Parietal
- Pertaining to or forming the outter wall of a body cavity
- Pericardium
- A loose fitting membrane that encloses the heart for protection.
- Hematology
- Study of blood
- Hemoglobin
- A substance in red blood cells consisting of the protein globin, iron & the red pigment heme.
- Bifurcate
- Having two branches or divisions (Forked)
- Trunk
- The part of the body to which the upper & lower limbs are attached.
- Secretion
- A fluid that is produced & released from a gland
- Capillary
- A microscopic blood vessel located between an arteriole & venule through which materials are exchanged between blood & body cells
- Ligament
- Connective tissue that attaches bone to bone
- Pelvis
- The basen like structure formed by the two hip bones the sacrum & the coccyx
- Blood
- The fluid that circulates through the heart, arteries, capillaries & veins that is the chief means of transport in the body.
- Nerve
- A chord like bundle of nerve fibers found outside the central nervous system that carries impulses.
- Dorsal body cavity
- Cavity near the dorsal or posterior surface of the body that consists of the cranial cavity & vertebral canal
- Muscle
- An organ composed of one of the three types of muscle tissue (cardiac, skeletal or smooth) specialized for contractions to produce voluntary or involuntary movements of parts of the body.
- Tendon
- A white fibrous chord of dense connective tissue that attaches muscle to bone.
- Osteology
- Study of bones
- Leukocyte
- White blood cell
- Four main tissues of the body
- Muscle, Epithelial, Connective, Nervous
- Insertion
- Attachment of a muscle tendon to a moveable bone.
- Arteriole
- A small almost microscopic artery that delivers blood to a capillary
- Visceral
- Pertaining to the organs or the coverings of an organ
- Adventitia
- The outter most covering of a structure or organ
- Abdomen
- The area between the diaphram & the pelvis
- Cartilage
- Type of connective tissue consisting of collagen & elastic fibers
- Abdominal Cavity
- The superior portion of the abdominal pelvic cavity that contains the stomach, spleen, liver the gall bladder the pancreas the small intestines & most of the large intestines.
- Abdominal pelvic cavity
- The inferior component of the ventral body cavity that is subdivided into a superior abdominal cavity & an inferior pelvic cavity.
- Fossa
- Shallow depression
- Cranial cavity
- A subdivision of the dorsal body cavity formed by the cranium bones & containing the brain
- Thoracic Cavity
- The superior portion of the ventral body cavity that contains the heart & two lungs
- Myocardium
- The middle layer of the heart wall made of cardiac muscle tissue. Found between the endocardium & pericardium
- Pulmonary
- Concerning or effected by the lungs
- Sulcus
- A groove between parts found especially in the brain
- Viscera
- The organs inside the ventral body cavity
- Bilateral
- Pertaining to two sides of the body
- Aorta
- The main systemic trunk of the arterial system that emerges from the left ventricle.
- Ventral body cavity
- Anterior body cavity that's divided into a superior thoracic cavity & an inferior abdomino pelvic cavity.
- Organ
- A structure composed of two or more different kinds of tissue with a specific function and usually a recognizeable shape.
- Body cavity
- Space within the body that contains various internal organs
- Fissure
- A groove, fold or slit that maybe normal or abnormal
- Membrane
- A thin flexible sheet of tissue composed of connective tissue & epithelium
- Venule
- A vessel that carries blood from the capillary to a vein
- Endocardium
- Layer of the heart wall composed of endothelium & smooth muscle that lines the inside of the heart & covers valves & tendons
- Zygote
- The single cell resulting from the union of a male and female gamete (the furtilized ovum).