Before we have a look at the brain diagram, it is important to go through a few facts about the brain and its function. This will help you understand the anatomy of the brain better. The average dimension of the adult human brain is 5.5 inches in width and 6.5 inches in length. ...
It refers to the killing of an entire set of cells by the breakdown of the lysosomal membrane. It occurs during amphibian and insect metamorphosis. e. Fertilization The acrosome of the sperm head is a giant lysosome that ruptures and releases enzymes on the surface of the egg. This provides...
Anterior to the rectum and along the base of the bladder, it is joined by the duct of the seminal vesicle with which it creates the ejaculatory duct. This duct penetrates through the prostate to connect with the prostatic urethra into which it empties. A quick recap: the duct system of ...
Structure of the Bony Pelvis Bones The pelvis is a ring-like structure that surrounds and protects the pelvic cavity. The pelvis is composed of the following bones: 2“hip bones,” which consist of 3 bones each; these 3 bones are separated at birth, joined byhyaline cartilageHyaline cartilage...
become accentuated. Thehairin the armpits and the pubic hair becomes abundant and thicker. Facial hair develops, as well as hair on the chest, abdomen, and limbs. Hair at the temples recedes. Skin glands become more active, especially apocrine glands (a type ofsweat glandthat is found in ...
Endocrine system, any of the systems found in animals for the production of hormones, substances that regulate the functioning of the organism. Such a system may range, at its simplest, from the neurosecretory, involving one or more centres in the nervou
Secretion, in biology, production and release of a useful substance by a gland or cell; also, the substance produced. In addition to the enzymes and hormones that facilitate and regulate complex biochemical processes, body tissues also secrete a variety