cell division in which the nucleus divides into nuclei containing the same number of chromosomes
Occurring in the female reproductive tract, _____ is the process by which spermatozoa become capable of fertilizing an egg.
what is the objective of meiosis
result in reduction in chromosome numbers to half result of meiosis is 4 daughter cells
what is the importance of the haploid number
instead of having two sets of chromosomes you have one set
a subdivision of the systemic circulation in which blood from the abdominal digestive organs and spleen circulate through the liver before returning from the heart
drain the anterior surface of the right ventricle and empty directly into the right atrium.
Two containers (one open at the bottom, the other filled with water) and a tube that measure respiratory volumes and capacities (tidal volume, vital capacity, total lung capacity)
What is the term for the total volume of air moved in and out of the respiratory system per minute?
expiratory reserve volume
Amount of air that can be forcefully exhaled after a normal tidal volume exhalation
bell jar model
Represents the diaphragm moving up and down, and how the lungs expand in the process.
The relationship between the pressure and volume of a gas at constant temperture; when volume increase, pressure decreases.
A ball of capillaries surrounded by Bowman's capsule in the nephron and serving as the site of filtration in the vertebrate kidney.
the cell resulting from the union of an ovum and a spermatozoon (including the organism that develops from that cell)
The process by which neighboring cells can influence the determination (and subsequent differentiation) of a cell.
The hollow ball of cells marking the end stage of cleavage during early embryonic development
the embryo in the stage of development after the blastula; contains the embryonic germ layers
a vein in the umbilical cord, A vein in the umbilical cord; returns nutrient blood from the placenta to the fetus.
1. fibrous continuation of the umbilical artery
2. located in the medial umbilical fold
the fetal structure that allows most of the blood to bypass the liver and to flow from the umbilical vein to the vena cava
These are finger like projections that form the fetal portion of the placenta. By the 8th week, chorionic villi sampling is possible.
membranous structure enclosing the yolk of eggs in birds reptiles marsupials and some fishes
vascular fetal membrane that develops from the hindgut in embryonic higher vertebrates (reptiles, birds and mammals)
=portion of the endometrium that surrounds the uterine cavity face of the implanted embryo.
outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)
A collection of thick mucus that blocks the cervical canal during pregnancy. Also called operculum.
either of two types of cells (erythrocytes and leukocytes) and sometimes including platelets
small network of capillaries encased in the upper end of a nephron; where the filtration of blood takes place
the capsule that contains Bowman's capsule and a glomerulus at the expanded end of a nephron
cup-shaped strucutre of the nephron of a kidney which encloses the glomerulus and which filtration takes place.
Paired cartilages. Located on posterolateral surface of cricoid. Pyramid shaped with the corniculate cartilages sitting on top of them.
Vocal Processes--project toward thyroid notch, attachment for VF
Muscular Processes--lateral portion of arytenoid, attachment for muscles that adduct and abduct the VFs
cone-shaped cartilage attached to the top of the arystenoids. They are landmarks used when visualizing the glotic opening. (p. 1183)
elongated cartilage attached to the posterior arystenoids. They are landmarks used when visualizing the glottic opening. (p. 1183)
membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
the hormone that has an impact on the amount of water that will be reabsorbed from the collecting duct is