The diffusion of gasses across membranes follows the same principles as the diffusion of solutes in solution across membranes, basically molecules move down a gradient. We will go in general order of most primitive brain region to most evolutionary advanced region, or, in other words, from basic functions to more advanced functions
A decrease in blood flow may be caused by loss of sodium and water (as a result of diarrhea, persistent vomiting, or excessive perspiration) or by narrowing of a renal artery. You can make it easier for us to review and, hopefully, publish your contribution by keeping a few points in mind: Encyclopaedia Britannica articles are written in a neutral, objective tone for a general audience
Question 1 points Which muscle does the radial nerve innervate? biceps Triceps Flexor digitorum longus Pectorals major Correct Explanation: The radial nerve innervates all muscles of the posterior arm and this includes the triceps muscle. Question 1 points What substance emulsifies fat? fat bile protease a and c Correct Explanation: Emulsification is a process by which you mix two liquids that normally do not mix well together
In addition to the juxtaglomerular apparatus, there are some pale staining cells of unknown function associated with afferent arterioles that are variously given several names, including extraglomerular mesangial, lacis, or polkissen cells. Adjacent to the renal corpuscle and distal convoluted tubule, the internal elastic lamina of the afferent arteriole disappears and the smooth muscle cells become structurally modified (epithelioid in appearance) and synthesize and store the hormone renin in the form of granules
Fluid and Electrolyte Balance (Structure and Function) (Nursing) Part 1
Fluids move into and out of cells, bringing with them enzymes, hormones, and nutrients, as well as removing waste products (end products of metabolism). This results in a condition known as hypovolemic shock.Too much ECF can place a person in a fluid overload state, leading to high blood pressure and risk for conditions such as congestive heart failure
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Anatomy 2 - Urinary Flashcards
3 regions prostatic urethra membranous urethra spongy urethra Term What are the functions of the supporting layers around the kidneys? Definition Renal fascia - dense connective tissue; anchors kidney Perirenal fat (adipose) capsule - cushioning Fibrous capsule - prevents spread of infection to kidney Term Describe the 3 kidney regions. Term What is net filtration pressure? Definition The pressure responsible for forming filtrate from plasma (10 mm hg) Term What is the opposing forces of net filtration pressure? Definition Glomerular hydrostatic pressure (HP g) - chief force pushing water and solutes out of glomerulus and into the capsule 55 mmHg 2 opposing forces that drive fluids back into glomerulus: 1
CONSISTS OF JUXTAGLOMERULAR AND MACULA DENSA CELLS OF THE DCT.30TRACE THE ANATOMICAL PATHWAY OF A MOLECULE OF CREATININE (METABOLIC WASTE) FROM THE GLOMERULAR CAPSULE TO THE URETHRA. THE AFFERENT ARTERIOLE (FEEDER) IS LARGER IN DIAMETER THAN THE EFFERENT ARTERIOLE (DRAINING)24HOW DOES ITS HIGH-PRESSURE CONDITION AID ITS FUNCTION OF FILTRATE FORMATION?THE HIGHER THE CAPILLARY PRESSURE, THE MORE FILTRATE WILL BE FORMED25WHAT STRUCTURAL MODIFICATION OF CERTAIN TUBULE CELLS ENHANCES THEIR ABILITY TO REABSORB SUBSTANCES FROM THE FILTRATE?THEIR POSSESSION OF DENSE MICROVILLI, ESPECIALLY THE PCT CELLS.26EXPLAIN THE MECHANISM OF TUBULAR SECRETION, AND EXPLAIN ITS IMPORTANCE IN THE URINE-FORMATION PROCESS.1
CONSISTS OF JUXTAGLOMERULAR AND MACULA DENSA CELLS OF THE DCT.30.TRACE THE ANATOMICAL PATHWAY OF A MOLECULE OF CREATININE (METABOLIC WASTE) FROM THE GLOMERULAR CAPSULE TO THE URETHRA
Interactive Eukaryotic Cell Model
Smooth ER plays different functions depending on the specific cell type including lipid and steroid hormone synthesis, breakdown of lipid-soluble toxins in liver cells, and control of calcium release in muscle cell contraction. Smooth Endoplasmic Reticulum: Throughout the eukaryotic cell, especially those responsible for the production of hormones and other secretory products, is a vast network of membrane-bound vesicles and tubules called the endoplasmic reticulum, or ER for short
Once the long bone parts have fused together, the only hyaline cartilage left in the bone is found as articular cartilage on the ends of the bone that form joints with other bones. Many strong thigh muscles attach to the femur and pull on the femur during movements of the hip and knee joints.At the proximal end of the femur is a rounded prominence known as the head of the femur
Biology4Kids.com: Cell Structure: Cell Membrane
Because the tails want to avoid water, they tend to stick to each other and let the heads face the watery (aqueous) areas inside and outside of the cell. While we talk about membranes all the time, you should remember they all use a basic phospholipid bilayer structure, but you will find many variations throughout the cell
Structure and functions of keratin proteins in simple, stratified, keratinized and cornified epithelia
Human sweat gland myoepithelial cells express a unique set of cytokeratins and reveal the potential for alternative epithelial and mesenchymal differentiation states in culture. 2007).Keratin K86 (hHb6): K86 has a MW of 53.5 kDa and an isoelectric pH of 5.3; it is produced in the suprabasal cells of the cortex in human hairs (Langbein et al
According to the Cell Theory, all living things are composed of one or more cells, and the functions of a multicellular organism are a consequence of the types of cells it has. No matter which type of cell we are considering, all cells have certain features in common, such as a cell membrane, DNA and RNA, cytoplasm, and ribosomes
SIU SOM Histology CRR
Sections of distal convoluted tubules tend to be relatively uncommon in typical histological slides of renal cortex, because distal tubules tend to be much shorter than proximal tubules. The loop of Henle consists of a descending limb, having an initial short thick segment followed by a long thin segment, and an ascending limb, having a thin segment followed by a thick segment
What is the function of Juxtaglomerular Apparatus?
The various organs associated with it and its whole renal system picks out the wastage and toxic components from the blood selectively and throws it out via excretion process. This macula densa is located in close nexus to JG You do not have access to view this node.These JG You do not have access to view this node, macula densa and the lacis cells together constitute the juxtaglomerular apparatus
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