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Lng of Med Ch 2
Body Terms
| Question | Answer |
|---|---|
| anabolism | process of building up complex materials from simple materials |
| catabolism | process of breaking down complex materials to form simpler substances and release energy |
| cell membrane | structure surrounding and protecting the cell. It determines what enters and leaves the cell |
| chromosomes | rod-shaped structures in the nucleus that contain regions of DNA called genes. There are 46 in each cell except eggs and sperm which have 23 |
| cytoplasm | all material that is outside the nucleus but contained in the cell membrane. |
| DNA | chemical found within each chromosome. |
| endoplasmic reticulum | structure (canals) within the cytoplasm. Site in which large proteins are made from smaller protein pieces. Ribosomes are found on the endoplasmic reticulum. |
| genes | regions of DNA within each chrosome |
| karyotype | picture of chromosomes in the nucleus of a cell. they are arranged in numerical order to determine their number and structure. |
| metabolism | the total chemical processes in a cell. It includes both anabolism and catabolism |
| mitochondria | structures in the cytoplasm in which foods are burned to release energy |
| nucleus | control center of the cell. contains chromosomes and directs the activities of the cell |
| adipose tissue | collection of fat cells |
| cartilage | flexible connective tissue attached to bones at the joint. |
| epithelial cells | skin cells that cover the external body surface and lines the surface of organs |
| histologist | specialist in the study of tissues |
| larynx | voice box, located in the upper part of the trachea |
| pharynx | throat. passageway for food and air |
| pituitary gland | endocrine gland at the base of the brain |
| thyroid gland | endocrine gland that surrounds the trachea in the neck |
| trachea | "windpipe" |
| ureter | one of two tubes, each leading from a kidney to the urinary bladder |
| urethra | tube from bladder to the outside of the body. |
| uterus | the womb |
| viscera | internal organs |
| abdominal cavity | space below the chest containing organs such as the liver, stomach, gallbladder, and intestines; also called the abdomen |
| cranial cavity | space in the head containing the brain and surrounded by the skull |
| diaphragm | muscle separating the abdominal and thoracic cavities |
| dorsal | pertaining to the back |
| mediastinum | centrally located space between the lungs |
| pelvic cavity | space below the abdomen containing portions of the intestines, rectum, urinary bladder, and reproductive organs. It's composed of the hip bones. |
| peritoneum | double-layered membrane surrounding the abdominal organs |
| pleura | double-layered membrane surrounding each lung |
| pleural cavity | space between the pleural membranes surrounding each lungs |
| spinal cavity | space within the spinal column. also called the spinal canal |
| thoracic cavity | space in the chest containing the heart, lungs, bronchial tubes, trachea, esophagus, and other organs |
| ventral | pertaining to the front |
| hypochondriac | upper right and left regions beneath the ribs |
| epigastric | upper middle region near the stomach |
| lumbar | middle right and left regions near the waist |
| umbilical | central region near the navel |
| inguinal | lower right and left regions near the groin. also called the iliac regions |
| hypogastric | lower middle region below the umbilical region |
| cervical | neck region |
| thoracic | chect region |
| lumbar | loin (waist) region |
| sacral | (region of the sacrum) |
| coccygeal | region of the coccyx (tailbone) |
| vertebra | a single backbone |
| vertebrae | backbones |
| spinal column | bone tissue within the spinal cavity |
| spinal cord | nervous tissue within the spinal cavity |
| disk | a pad of cartilage between vertebrae |
| deep | away from the surface |
| distal | far from the point of attachment to the trunk, far from the beginning of a structure |
| inferior | below |
| lateral | pertaining to the side |
| medial | p2 the middle |
| prone | lying facedown |
| proximal | near the point of attachment to the trunk. Near the beginning |
| sagittal | lengthwise, vertical plane dividing the body into right and left |
| superficial | on the surface |
| supine | lying face up |
| transverse | cross sectional |