60 results found

Search Results for: thoracic

Thoracic cavity

Definition noun The body cavity of the human body (and other animal bodies) protected by the thoracic walls, and located... Read More

Skeletal system

What is the Skeletal System? How to define a skeleton? The skeletal system is the main framework that gives your body its... Read More

Respiration

Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More

Organ

Definition Of Organ An organ is a collection of tissues that carries out a function or set of related ones. An organ often... Read More

Isopod

Definition noun, plural: isopods Any of the members of the order Isopoda, which is a taxonomic group characterized mainly by... Read More

Ventral body cavity

Definition noun The body cavity situated near the front of the human body, and consists of the thoracic cavity and... Read More

Ventilation

Ventilation Definition Often when persons think of ventilation, they think of getting clean or enough air into a room. This... Read More

Viscera

Viscera Definition In biology,  the word viscera refers to the large internal organs in the body cavity, especially in the... Read More

Manubrium

The manubrium is a handle-like structure, as in the manubrium of the sternum or of the malleus. In Latin, it translates to... Read More

Lymphatic duct

Definition noun, plural: lymph ducts A lymphatic vessel that carries lymph and drain it into the subclavian... Read More

Bithorax

Definition noun A homeotic gene first described in Drosophila that controls the development of the third thoracic segment... Read More

Mammal

Definition noun, plural: mammals Any of the endothermic vertebrates belonging to class Mammalia, which are identifiable by... Read More

Ventral primary ramus of spinal nerve

ventral primary ramus of spinal nerve (Science: anatomy, nerve) The larger, anterolaterally-directed major terminal branch... Read More

Abdominal cavity

Definition noun The body cavity of the human body (and other animal bodies) located below the thoracic cavity and above the... Read More

Ganglion

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Dorsal spine

Definition noun One of the three distinct portions along the spine or the vertebral column (the other two are the cervical... Read More

Lymphatic vessel

Definition noun, plural: lymphatic vessels (anatomy) A vessel that carries lymph and is responsible for the removal of... Read More

Abdominopelvic cavity

Definition noun The body cavity made up of the abdominal cavity and the pelvic cavity. Supplement The ventral body cavity is... Read More

Apertura thoracis superior

Apertura thoracis superior --> superior thoracic aperture The upper boundary of the bony thorax composed of the first... Read More

Vertebral column

Definition noun, plural: vertebral columns The series of vertebrae that extend from the cranium to the coccyx, and serves as... Read More

Lymph nodes

Lymph nodes definition Lymph nodes are small, bean-shaped organs located in different parts of the body and act as... Read More

Spinal nerve

Definition noun, plural: spinal nerves Any of the pairs of nerves emerging from the spinal cord, where each pair is attached... Read More

Anterior primary division

Anterior primary division --> ventral primary ramus of spinal nerve (Science: anatomy, nerve) The larger,... Read More

Ganglia

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Dactylus

Definition noun, plural: dactyla (zooanatomy) A dactyl, i.e. a digit (a finger or a toe) Supplement The term dactylus refers... Read More

Neural Control Mechanisms

Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More

Placentalia

Definition noun (taxonomy) A subdivision of the class Mammalia characterized primarily by their fetus being carried in the... Read More

Abdominal reflex

Definition noun, plural: abdominal reflexes Abdominal wall muscle contraction of the umbilicus toward the abdominal quadrant... Read More

Mammalogy

Definition noun A branch of biology that is concerned with the study of mammals Supplement In biology, mammalogy is a branch... Read More

Bicoid

Definition noun (1) A kind of maternal-effect gene (as in bicoid gene) whose function is to code for products used for... Read More

Coccygeal spinal nerve

Definition noun, plural: coccygeal spinal nerves Any of the pair of nerves that emerge from the coccygeal region of the... Read More

Bronchopulmonary lymph node

Definition noun, plural: bronchopulmonary lymph nodes Any of the many lymph nodes located in the hilum of each lung, and... Read More

Scalene hiatus

scalene hiatus triangular gap bounded by the scalenus anterior and scalenus medius muscles and the first rib to which the... Read More

Subcostal line

subcostal line A transverse line transecting the inferiormost border of the thoracic cage, indicating the subcostal... Read More

Antennapedia

Definition noun A hox gene first described in Drosophila, which is responsible for the formation and differentiation of the... Read More

Monotreme

Definition noun (zoology) Any of the egg-laying mammals belonging to the taxonomic group, Monotremata Supplement The class... Read More

Analogous structures

Analogous Structures Definition In evolutionary biology, analogous structures are biological structures having similar or... Read More

Nervous System

    THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More

Parasympathetic nervous system

Definition noun A division of the (vertebrate) autonomic nervous system whose physiological effects are mostly in opposition... Read More

Respiration rate

Respiration Rate Definition Respiration rate is a vital life process that expresses the breathing rate in an organism... Read More