Search Results for: hollow
Hollow bone
Hollow bone --> pneumatic bone a bone that is hollow or contains many air cells, such as the mastoid process of the... Read More
Nematocyst
All organisms are composed of millions of cells. Many cells serve specific purposes and are specialized to do distinct... Read More
Peristalsis
What is Peristalsis? Peristalsis is the series of involuntary, wave-like muscle movements in the cylindrical, hollow tube... Read More
Involuntary muscle
A muscle act typically either under the control of the will or without conscious control. Muscles that can be controlled at... Read More
Smooth muscle
The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More
Antecubital fossa
Antecubital Fossa Definition The antecubital fossa or the cubital fossa is the triangular-shaped hollow depression between... Read More
Microtubule
Microtubule Definition noun plural: microtubules mi·cro·tu·bule, mī'krō-tū'byūl A cytoplasmic tubule made up of... Read More
Gallbladder
Definition noun A small, pear-shaped, muscular, hollow organ responsible for storing bile, and for creating insulin in the... Read More
Bone matrix
Bone Matrix Definition Bone matrix refers to the matrix component of bone tissue. It provides the structural framework and... Read More
Acetabulum
Acetabulum (Science: anatomy) The hollow, cuplike portion of the pelvis into which the head of the thigh bone (femur)... Read More
Book lungs
Book Lungs Definition Lungs are known as the organs that help organisms breathe. When we think of lungs, we think of the... Read More
Vascular Plants: Ferns and Relatives
These plants are seedless plants, but unlike the bryophytes, they do have vascular tissue (xylem and phloem). Because of the... Read More
Cell Structure
The interior of human cells is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped... 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
Neurilemma
Neurilemma Neurolemma (also neurilemma and sheath of Schwann) is the outermost layer of nerve fibers in the peripheral... Read More
Chondrichthyes
Definition noun A taxonomic class comprised of cartilaginous fish Supplement Chondrichthyes is taxonomic superclass of... Read More
Osteichthyes
Definition noun A taxonomic superclass of a diverse group of fish that have skeletons composed primarily of bone... Read More
Overview of Chirology
Psychodiagnostic Chirology (PDC) is a comprehensive diagnostic discipline applied by professional behavioral specialists in... Read More
Kingdom Animalia
Kingdom Animalia Definition Each person can say that they know of or can name at least one animal. However, do people know... Read More
Hydrocaulus
Hydrocaulus Origin: NL, fr. Gr. ''ydwr water - a stalk. (Science: zoology) The hollow stem of a hydroid, either simple or... Read More
Diarthrodial joint
What is a diarthrodial joint? A diarthrosis joint is a freely moving joint characterized by its mobility and joint cavity... Read More
Fossa glandulae lacrimalis
Fossa glandulae lacrimalis --> lacrimal fossa a hollow in the orbital plate of the frontal bone, formed by the... Read More
Brown algae
Brown Algae Definition Brown algae are algal species characterized by being multicellular and having a brown or... Read More