It is a keratinous filament that grows out of the epidermis. Majorly, it is made of keratinized dead cells. Hair strands originating in an... View Article
It is the most skin-deep layer of the epidermis. It is that layer that is exposed to the exterior environment. The layer derives its name from... View Article
This structure has the appearance of a grain because of additional changes to the keratinocytes as it is pushed from the stratum spinosum. The... View Article
It is spiny in appearance as a result of the protruding cell processes joining cells through desmosomes. The desmosomes lock with each other and... View Article
Connective tissues conduct several bodily functions. Primarily, it supports and connects other tissues - the connective tissue sheath surrounding... View Article
Apocrine secretion accumulates near the apical portion of the cell. This part of cells and their secretory pinch off from the cell and are... View Article
Exocrine glands based on their mode of secretion, the structure of glands, the shape of ducts, and the nature of particles they release can be... View Article
Translation comprises three main stages - Initiation - occurs with the association of a ribosome to an mRNA transcript Elongation - involves... View Article
The genetic directions applied to establish and maintain an entity are orderly oriented in DNA strands. In the nucleus are present the threads of... View Article
One of the cytoskeletal filaments is the intermediate filament. It is a filament that is intermediate in thickness between the microfilaments and... View Article
The cytoskeleton forms a network all throughout the cell. It consists of three protein-based filaments, which are intermediate filaments,... View Article
The cytoskeleton forms a complex thread-like network all through the cell. It comprises three kinds of protein-based filaments - intermediate... View Article
Cell membrane comprises two adjoining layers of phospholipids. The lipid tails of a layer facing the lipid tails of the other layer, meet at the... View Article
Phospholipids are bonds between a phosphorus molecule and a component of a lipid. In structure, they are similar to triglycerides. But, instead... View Article
The consumption or creation of water involves two types of chemical reactions - hydrolysis and dehydration. A molecule of water in hydrolysis... View Article
A heat sink is an object or substance which absorbs, dissipating heat. However, it does not undergo a related increase in temperature. Water in... View Article
Radiant energy - it is transmitted and emitted as waves instead of matter. These waves differ in length from the microwaves and radio waves to... View Article
Ultrasonography is an imaging technique, it uses the transmittal of sound waves (high-frequency) into the body. This generates an echo signal,... View Article
Magnetic resonance imaging (MRI) is a non-invasive medical imaging technique. The principle is on the phenomenon of nuclear physics, where matter... View Article
X-rays are a form of high energy electromagnetic rays comprising a short wavelength that can penetrate ionizing gases and solids. Since they find... View Article
